cobirds colorado rare bird: October 2018

Wednesday 31 October 2018

[cobirds] Northern Parula Bear Creek Nature Center, El Paso County.

At 10:30 on October 31st I saw a Northern Parula. Yellow breast with a dark band across it. White below the chest.white eye ring, possibly interupted. Grey(light blue) on back and head. Two white wing bands. It was in the large tree off the Northeast corner of the Center
I returned at 2:00 PM, but the pattern of the birds had changed and there were few birds in the vicinity. I did see a Lincoln's Sparrow.
Chris Brobin
Manitou Springs, CO.

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[cobirds] Halloween goodies at Sombrero Marsh, Boulder County

Hey, all.

Sombrero Marsh, Boulder County, just east of downtown Boulder, is one of the most accessible birding hotspots around. It's right off busy Arapahoe Road and easily birded by those with limited mobility, limited time, or both. This Halloween morning, Wed., Oct. 31, I stopped by for a quick visit and was pleased to find 2 Swamp Sparrows, 1 Eastern Bluebird, and 1 Virginia Rail. Here's my eBird checklist, including photos and audio:

https://ebird.org/view/checklist/S49582628

Nearby Baseline Reservoir had 2 Common Loons.

Ted Floyd

Lafayette, Boulder County

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[cobirds] Finally, in Boulder

I've wanted to see a White-throated Sparrow in Boulder County for nearly 25 years. Whenever one is posted on Cobirds or eBird, I race off to try to find it, but I've always dipped, and trudged away from the site with the feeling that White-throated Sparrows are birds that other people see in Boulder.

Until today.

After work, I wandered over to the Boulder Community Gardens a block away from my home, in hopes that I might catch a decent photo of a starling or a robin.

As I was photographing a White-crowned Sparrow in the lovely horizontal light of a late-October evening, I thought to myself, "Wouldn't it be cool if a White-throated Sparrow popped up right here?" And then, as if cued by an off-stage director, a White-throated Sparrow popped up, literally exactly centered in my camera's viewfinder. I didn't even have to re-focus. I just pressed down on the shutter button, and there it was.

Wow.

Other cool birds at the Boulder Community Gardens: two adult-plumaged Bald Eagles sparring with each other in mid-air. I managed a decent photo of them, too. Three Cedar Waxwings, which also posed for my lens. And a first-of-the-season American Tree Sparrow perched in the fading light.

If you'd like to see the photos, they're here: https://ebird.org/view/checklist/S49588574.

Good birding everybody. This October has been a magical month for Boulder birds.

Richard Trinkner

Boulder

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[cobirds] Sandhill Cranes - Golden - Jeffco

Just had approx. 80 Sandhills headed SSW over the foothills.

Ira Sanders

Golden, CO

"My mind is a raging torrent flooded with rivulets of thought cascading into a waterfall of creative alternatives."

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[cobirds] Winter Wren, Environmental Learning Center

This morning at CSU's Environmental Learning Center in Fort Collins I found a Winter Wren. It was towards the southeast corner. The Wren was about 50 feet south of a sign that is titled "Wanted, Habitat - Dead or Alive". It foraged along the dry bank just to the east of the trail.

Joe Mammoser

Fort Collins

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[cobirds] Colorado Rare Bird Alert, 31 October 2018

Compiler: Joyce Takamine

e-mail: RBA AT cobirds.org

Date: October 31, 2018

This is the Colorado Rare Bird Alert for Wednesday, October 31 sponsored by Denver Field Ornithologists and the Bird Conservancy of the Rockies.

Note that the RBA is using the new AOU checklist.

Rare and out of range species for the last seven days include: (*indicates new information on this

species is new)

Snow Goose (Adams, Arapahoe, Kiowa, *Phillips, *Sedgwick, Weld)

Ross's Goose (Kiowa, *Sedgwick)

Greater White-fronted Goose (Huerfano, *Phillips, *Sedgwick)

Mute Swan (*Weld)

Blue-winged Teal (Eagle, El Pasa)

Cinnamon Teal (Weld)

Eurasian Wigeon (Kiowa, Montezuma)

Greater Scaup (Huerfano, Kiowa, Mesa)

Surf Scoter (Larimer, *Sedgwick)

Common Goldeneye (Arapahoe, *Jefferson, Kiowa, Lake, *La Plata, *San Miguel)

Barrow's Goldeneye (*Jefferson, *San Miguel)

Red-breasted Merganser (Arapahoe Kiowa)

Red-necked Grebe (Boulder)

Horned Grebe (Denver, Montrose)

Virginia Rail (Adams, Boulder)

Sora (Boulder, Montezuma)

Sandhill Crane (Adams, Baca, Boulder, Kiowa)

American Avocet (Park)

Black-bellied Plover (Adams)

American Golden Plover (Adams)

Semipalmated Plover (Arapahoe)

Stilt Sandpiper (Adams)

Dunlin (Adams)

Baird's Sandpiper (Custer, *Weld)

Least Sandpiper (*Arapahoe)

Pectoral Sandpiper (Douglas)

Semipalmated Sandpiper (*Arapahoe)

Short-billed Dowitcher (Arapahoe, El Paso)

Long-billed Dowitcher (Adams, *Arapahoe, Boulder, Custer, La Plata, Montezuma, Park)

Lesser Yellowlegs (*Adams, *Arapahoe, Larimer)

Greater Yellowlegs (Adams, Boulder, Custer, Huerfano, *La Plata, Weld)

Wilson's Phalarope (Kiowa)

Red Phalarope (Kiowa)

Black-legged Kittiwake (*El Paso, *Pueblo)

Bonaparte's Gull (*Arapahoe, Boulder, Kiowa)

Franklin's Gull (*Adams, *Arapahoe, Kiowa, Larimer, *Ouray, Rio Grande)

Mew Gull (Larimer)

Iceland Gull (Thayer's) (Kiowa, *Logan, Park)

Lesser Black-backed Gull (Adams, Larimer)

Herring X Glaucous-winged Gull (Kiowa)

Pacific Loon (Denver, Kiowa, Summit)

Common Loon (Arapahoe, Boulder, Custer, Denver, Kiowa, *Logan, Mesa, Montezuma, *Pueblo, *San Miguel, *Sedgwick)

American Bittern (Boulder)

Osprey (El Paso, Fremont, Jefferson, Las Animas, *Yuma)

Northern Goshawk (Montrose)

Lewis's Woodpecker (Las Animas)

Acorn Woodpecker (La Plata)

Red-bellied Woodpecker (*Larimer, *Sedgwick)

Red-naped Sapsucker (Eagle, Summit)

Hairy Woodpecker (Prowers)

Peregrine Falcon (Jefferson)

Hammond's Flycatcher (Montrose)

Gray Flycatcher (Jefferson)

Cordilleran Flycatcher (Montezuma)

Say's Phoebe (Adams, Arapahoe, Larimer)

Loggerhead Shrike (El Paso)

Northern Shrike (Boulder)

Red-eyed Vireo (Kiowa)

Canada Jay (Jefferson)

Pinyon Jay (Custer)

Steller's Jay (Jefferson, Las Animas, Pitkin, Summit, Teller)

Woodhouse's Scrub-Jay (*La Plata, Montezuma, Montrose, *Ouray, Pitkin)

Clark's Nutcracker (Eagle, Jefferson, *Ouray)

Chihuahuan Raven (Baca, Huerfano, Kiowa)

Juniper Titmouse (*La Plata)

Bushtit (Jefferson, Larimer, Montezuma, Montrose, Weld)

Canyon Wren (Pitkin)

Marsh Wren (Adams, Boulder, *Logan, Mesa, Montezuma, Weld)

Bewick's Wren (Montezuma, Montrose)

Blue-gray Gnatcatcher (Montrose)

American Dipper (Custer)

Ruby-crowned Kinglet (Kiowa, La Plata, Montezuma, Montrose, Summit)

Eastern Bluebird (Baca, Huerfano, Kiowa, *Yuma)

Mountain Bluebird (Arapahoe, Fremont, Kiowa, La Plata, Montezuma, Montrose)

Gray Catbird (Adams, Boulder, El Paso)

Curve-billed Thrasher (El Paso)

Sage Thrasher (Arapahoe, Montezuma)

Northern Mockingbird (Kiowa)

American Pipit (Adams, Boulder, Custer, Kiowa, La Plata, *San Miguel, Teller)

Lesser Goldfinch (Montezuma)

Chestnut-collared Longspur (Kiowa)

McCown's Longspur (Kiowa)

Canyon Towhee (El Paso)

Savannah Sparrow (*Larimer, Park)

Vesper Sparrow (Kiowa)

Lark Sparrow (Adams, Denver)

Lincoln's Sparrow (Adams, Baca, Boulder, Clear Creek, Kiowa, Montezuma, *Yuma)

Swamp Sparrow (*Arapahoe, Custer, Montezuma)

White-throated Sparrow (Kiowa, Montezuma, *Sedgwick, *Yuma)

Harris's Sparrow (Adams, Boulder, Kiowa, *Sedgwick, *Yuma)

Yellow-headed Blackbird (Adams, Arapahoe, Larimer)

Baltimore Oriole (Eagle)

Rusty Blackbird (Kiowa, Teller)

Orange-crowned Warbler (Ouray)

Common Yellowthroat (Mesa)

Yellow Warbler (Kiowa)

Black-throated Blue Warbler (Custer)

Western Tanager (Arapahoe, Boulder, Pueblo)

Northern Cardinal (*Sedgwick)

ADAMS COUNTY:

---On October 27 at Barr Lake SP, Lorraine Lanning reported 2 Black-bellied Plover, Franklin's Gull, 2 Lesser Black-backed Gull, and 9 Yellow-headed Blackbird. On October 28 at Barr Lake SP, Felice Lyons reported Gray Catbird and Harris's Sparrow. On October 29 at Barr Lake SP, Chuck Hundertmark, Paul Slingsby, Adam Veseley, and Frank Farrell reported 4 Snow Geese (2 white, 2 blue), Black-bellied Plover, American Golden-Plover, Dunlin, 3 Long-billed Dowitcher, 3 Stilt Sandpiper, Greater Yellowlegs, Franklin's Gull, Ruby-crowned Kinglet, and 10 American Pipit. On October 29 at Barr Lake Neidrach Nature Trail and Visitor Center, Chuck Hundertmark reported Gray Catbird and Harris's Sparrow. On October 30 at Barr Lake SP Neidrach Nature Trail and Visitor Center, Gwen Moore reported Lesser Yellowlegs and Franklin's Gull.

---On October 28 at Rocky Mountain Arsenal NWR – First Creek, John Breitsch reported Lark Sparrow.

---On October 28 at Metzger Farm OS, Matt Hofeditz reported Gray Catbird.

---On October 28 at Pond north of Big Dry Creek Park, Matt Hofeditz reported Virginia Rail, Says's Phoebe, Marsh Wren and Harris's Sparrow.

---On October 28 at Rocky Mountain Arsenal NWR, Heather and Riley Morris reported 40 Sandhill Crane (flyover), 6 Long-billed Dowitcher, and Lesser Yellowlegs.

ARAPAHOE COUNTY:

---On October 27 at Cherry Creek SP, Ben Sampson reported Short-billed Dowitcher, 5 Long-billed Dowitcher, 16 Bonaparte's Gull, Common Loon, and Northern Shrike. On October 28 at Cherry Creek SP, Bez Bezuidenhout reported Sage Thraser. On October 28 at Cherry Creek SP Paririe View Loop Birding Platform, DuWayne Worthington reported Semipalmated Plover, 3 Red-breasted Merganser, 3 Long-billled Dowitcher, and 9 Bonaparte's Gull. On October 29 at Cherrry Creek SP, Diane Roberts reported 6 Long-billed Dowitcher, Lesser Yellowlegs, 14 Bonaparte's Gull, Franklin's Gull, and Common Loon. On October 30 at Cherry Creek SP, Cynthia Madsen, David Hill, and Raymond Sperger reported Least Sandpiper, Semipalmated Sandpiper, 6 Long-billed Dowitcher, Lesser Yellowlegs, 13 Bonaparte's Gull, 3 Franklin's Gull, Iceland Gull, and Swamp Sparrow.

---On October 28 at High Line Canal Trail – E Belleview Ave to E Quincy Ave (Blackmer Lake), Jared Del Rosso reported Swamp Sparrow and Western Tanager.

---On October 29 at Aurora Reservoir, Ken Wat, Meg Reck, and Diane Roberts reported 7 Snow Geese, 4 Common Goldeneye, Franklin's Gull, 3 Common Loon, Say's Phoebe, 3 Mountain Bluebird, and Yellow-headed Blackbird.

BACA COUNTY:

---On October 29 at Hwy 116 and CR 55, Tony Leukering reported 5 Sandhill Crane (flyover), Chihuahuan Raven, Eastern Bluebird, 2 Mountain Bluebird, and Lincoln's Sparrow.

BOULDER COUNTY:

---On October 27 at her home in Louisville, Paula Hansely reported that one of the Harris's Sparrows continues. If you would like to try for it, call her at 720-890-2628.

---On October 27 at Sombrero Marsh and Pond, Rob Cassady reported Sora.

---On October 28 at Peschel OS east of Longmont, Kat Bradley-Bennett and Jamie Simo reported 3 Sandhill Crane and 2 Northern Shrike.

---On October 28 at Terry Reservoir east side off US 287, Bill Kaempfer and John Vanderpoel reported 10 Bonaparte's Gull.

---On October 28 at Boulder Reservoir Complex, Luke Pheneger, Okamoto Kieta Sin, Dan Zmolek, Leslie S, Tracy Pheneger, Peter Burke, and David Waltman reported Red-necked Grebe, Bonaparte's Gull, Common Loon, and American Pipit.

---On October 28 at Walden Ponds, Ted Floyd reported Virginia Rail, Long-billed Dowitcher, Greater Yellowlegs, American Bittern, Marsh Wren, and Lincoln's Sparrow.

CUSTER COUNTY:

---On October 27 at DeWeese Resevoir, Jerry DeBoer reported 4 Long-billed Dowitcher, Greater Yellowlegs, Common Loon, 2 American Dipper, Swamp Sparrow, Black-throated Blue-Warbler. On October 28 at DeWeese Reservoir, Joel and Dale Adams reported 3 Baird's Sandpiper, 3 Long-billed Dowitcher, 2 Greater Yellowlegs, 2 Pinyon Jay, American Dipper, and 10 American Pipit.

DENVER COUNTY:

---On October 27 at Marston Reservoir West End, John Drummond and Lynne Miller and several other birders reported Pacific Loon and 2 Common Loon. On October 28 at Marston Reservoir, Joe Roller, Joe Chen, and Phil Lyon reported Pacific Loon, and Common Loon. On October 29 at Marston Reservoir East End, Gregg Goodrich reported Pacific Loon and Common Loon.

---On October 28 at First Creek at DEN OS, John Breitsch reported Lark Sparrow.

EAGLE COUNTY:

---On October 28 at Lake Creek Village Wetland, Jennifer Prusse reported 4 Blue-winged Teal, Clark's Nutcracker, and American Dipper.

---On October 28 in Edwards, JoAnn Riggle reported male Baltimore Oriole at a private residence. If you want to try to see the oriole, call or text Penny at 970-331-2559.

EL PASO COUNTY:

---On October 27 at Chico Basin Ranch, Jim Merritt reported Loggerhead Shrike and Curve-billed Thrasher. On October 28 at Chico Basin Ranch, Tanja Britton reported Loggerhead Shrike, 2 Gray Catbird, Curve-billed Thrasher, and 2 Canyon Towhee.

---On October 29 at Fountain Creek Regional Park, Alan Ketcham reported 8 Blue-winged Teal and Osprey.

---On October 30 at Mermorial Park and Prospect Lake, Colorado Springs, Jim Merritt reported ad Black-legged Kittiwake on the water. When it flew it flew west then south.

FREMONT COUNTY:

---On October 28 at Brush Hollow Reservoir, Joel and Dale Adams reported 2 Osprey and 2 Mountain Bluebird.

HUERFANO COUNTY:

---On October 28 at Lake Marisa, David Tonnessen reported Greater Yelllowlegs, 3 Chichuahuan Raven, and Eastern Bluebird.

---On October 28 at Orlando Reservoir, David Tonnessen reported Greater White-fronted Goose, and 2 m Greater Scaup.

JEFFERSON COUNTY:

---On October 27 at Waterpointe-Bellio OS, Doug Kibbe and Mackenzie Goldthwaite reported Peregrine Falcon.

---On October 28 at Staunton SP, Steve Roels reported Canada Jay, 4 Steller's Jay, and 5 Clark's Nutcracker.

---On October 28 at Chatfield SP, Steve Hebert reported Osprey and 9 Bushtit.

---On October 30 at Bear Creek Lake Park – Big Soda Lakes N Trail, Phil Lyon reported 4 Common Goldeneye (1m, 3f).

---On October 30 at Coors Ponds, Myron Gerhard, Kevin DeBoer, Timo Mitzen, and Lindsay Purifory reported 5 Common Goldeneye (1m 4f) and 1m Barrow's Goldeneye.

KIOWA COUNTY:

---On October 27 at Upper Queens/Neeskah Reservoir, Steve Mlodinow reported Iceland (Thayer's) Gull, Common Loon, 13 Ruby-crowned Kinglet, Harris's Sparrow, White-throated Sparrow, 2 Lincoln's Sparrow, Orange-crowned Warbler, Yellow Warbler.

---On October 27 at Neegronda Reservoir, Steve Mlodinow reported 12 Snow Geese, Red Phlarope, 115 Franklin's Gull, Pacific Loon, Common Loon, 2 Chihuahuan Raven. October 28 at Neegronda Reservoir, Tony Leukering reported Snow Geese and Ross's Goose.

---On October 27 at Neenoshe Reservoir, Steve Mlodinow reported m Eurasian Wigeon, f Greater Scaup, Common Goldeneye, 10 Sandhill Crane, 18 Bonaparte's Gull, 10 Franklin's Gull, Herring X Glaucous-Winged Gull, Red-eyed Vireo, 3 Ruby-crowned Kinglet, Eastern Bluebird, Northern Mockingbird, 2 American Pipit, 2 Chestnut-collared Longspur, McCown's Longspur, Vesper Sparrow, and 14 Lincoln's Sparrow. On October 28 at Neenoshe Reservoir, Tony Leukering reported 12 Snow Geese, Ross's Goose, 3 Red-breasted Mergansder, 52 Sandhill Crane, and 11 Mountain Bluebird.

LAKE COUNTY:

---On October 28 at Mount Elbert Forebay, David Dowell and Michael Lester reported 12 Common Goldeneye.

LA PLATA COUNTY:

---On October 28 at Pastorius Reservoir, Susan Allerton reported Long-billed Dowitcher, Woodhouse's Scrub-Jay, Juniper Titmouse, Ruby-crowned Kinglet, Mountain Bluebird, and American Pipit. On October 30 at Pastorius Reservoir, Susan Allerton reported Common Goldeneye, Greater Yellowlegs, 2 Woodhouse's Scrub-Jay, and Juniper Titmouse.

---On October 28 at 1328 CR 142 Durango, Alicia Croliss reported 3 Acorn Woodpecker.

LARIMER COUNTY:

---On October 28 at Dry Creek Reservoir, SE of Carter Lake, Bill Kaempfer and John Vanderpoel reported Surf Scoter and Say's Phoebe.

---On October 28 at Loveland Recreational Trail – Wilson Ave to Namaqua Road, Christine Sparks reported 15 Bushtit and Yellow-headed Blackbird (flyover).

---On October 28 at Horseshoe Reservoir, Andy Bankert and Carolyn Olson reported Mew Gull and 7 Lesser Black-backed Gull.

---On October 28 at Gateway Park Pond, Fawn Simonds reported Lesser Yellowlegs.

---On October 3- at 352 Poudre Canyon Road, Bellvue, Diane Thomas reported Red-bellied Woodpecker in deciduous trees W of bridge, and Savannah Sparrow

LAS ANIMAS COUNTY:

---On October 27 at Lake Dorothy SWA, Tony Godfrey reported 3 Lewis's Woodpecker Osprey, and Steller's Jay.

LOGAN COUNTY:

---On October 30 3 miles NW of Crook, Bill Kaempfer and John Vanderpoel reported Marsh Wren.

---On October 30 at Jumbo Reservoir, David Suddjian and DFO Field Trip reported ad Iceland Gull (Thayers) and 2 Common Loon.

MESA COUNTY:

---On October 28 at Colorado River SP Fruita Section, Ronda Woodward, Deb Stegall and Nic Korte reported 2 Greater Scaup, Common Loon, and 2 Marsh Wren.

MONTEZUMA COUNTY:

---On October 28 at Industrial Park Pond, Cortez, Brenda Wright and Coen Dexter reported Eurasian Wigeon, Marsh Wren, and Sage Thrasher.

---On October 28 at Denny Lake Park, Coen Dexter, Brenda Wright, and Erick Hendrickson reported Sora, 3 Ruby-crowned Kinglet, Sage Thrasher, White-throated Sparrow, 2 Lincoln's Sparrow, Swamp Sparrow, and Lesser Goldfinch. On October 29 at Denny Lake Park, Coen Dexter and Brenda Wright reported Sora, Woodhouse's Scrub-Jay, 8 Bushtit, 4 Marsh Wren, 2 Bewick's Wren, 3 Ruby-crowned Kinglet, 18 Mountain Bluebird, Sage Thrasher, 3 ad White-throated Sparrow (1 white stripe, 2 tan stripe), Lesser Goldfinch, and Lincoln's Sparrow.

---On October 29 at Totten Reservoir, Coen Dexter and Brenda Wright reported Long-billed Dowitcher, 2 Common Loon, and 2 Mountain Bluebird.

MONTROSE COUNTY:

---On October 27 at Nucla Domestic Reservoir, Coen Dexter and Brenda Wright reported Northern Goshawk, Hammond's Flycatcher, Woodhouse's Scrub-Jay, Juniper Titmouse, 31 Bushtit, 2 Bewick's Wren, Blue-gray Gnatcatcher, Ruby-crowned Kinglet, 26 Mountain Bluebird.

OURAY COUNTY:

---On October 30 at Ridgway Reservoir and SP, Coen Dexter and Brenda Wright reported 9 Franklin's Gull, 3 Woodhouse's Scrub-Jay, and Clark's Nutcracker.

PARK COUNTY:

---On October 28 at Spinney Mountain Reservoir, David Dowell reported American Avocet, 7 Long-billed Dowitcher and Iceland (thayer's) Gull.

PHILLIPS COUNTY:

---On October 30 at Haxtun Water Treatment Plant, David Suddjian and DFO Field Trip reported 20 Snow Geese and Greater White-fronted Goose.

PITKIN COUNTY:

---On October 29 at Lower River Rd, 408 Gerbaz Way, Snowmass, Catherine Hagen reported Steller's Jay, Woodhouse's Scrub-Jay, and Canyon Wren.

PUEBLO COUNTY:

---On October 30 at Pueblo Reservoir, Brandon Percival reported ad Black-legged Kittiwake in the afternoon, off West Fishing Road, and 12 Common Loons on the reservoir.

SAN MIGUEL COUNTY:

---On October 30 at Miramonte Reservoir, Coen Dexter and Brenda Wright reported 2 Common Goldeneye, Barrow's Goldeneye, 3 Common Loon, and 5 American Pipit.

SEDGWICK COUNTY:

---On October 30 at Julesburg Cemetery, Bill Kaemfper and John Vanderpoel reported White-throated Sparrow.

---On October 30 at Lions Park, Julesburg, Bill Kaemfper and John Vanderpoel reported Harris's Sparrow.

---On October 30 at Ovid, Bill Kaemfper and John Vanderpoel reported Red-bellied Woodpecker, and Northern Cardinal.

---On October 30 at Jumbo Reservoir, David Suddjian and DFO Field Trip, Bill Kaempfer, and John Vanderpoel reported 500 Snow Geese, 5 Ross's Geese, 4 Greater White-fronted Geese, 2 Surf Scoter (f-type), and 2 Common Loon.

SUMMIT COUNTY:

---On October 28 at Dillon Reservoir, Giberson Bay, M Walt reported Red-naped Sapsucker and Steller's Jay. On October 28 at Dillon Reservoir, David Dowell and Michael Lester reported Pacific Loon at (39.61439, -106.064488).

---On October 28 at Silverthorne Water Treatment Plant, David Dowell and Michael Lester reported Ruby-crowned Kinglet.

TELLER COUNTY:

---On October 27 at Manitou Lake, Robb Hinds, Jan Allbright, and Richard Bunn reported Steller's Jay and f Rusty Blackbird. On October 2o8 at Manitou Lake, Alan and MaryLynne Ketcham reportred American Pipit.

WELD COUNTY:

---On October 27 at Stewart's Pond, Cathy Sheeter reported Cinnamon Teal.

---On October 28 on 14th Ave in Greeley, Shawn Mason reported 22 Bushtit.

---On October 28 at Cozzens Lake, Eaton, Gary Lefko reported Marsh Wren,

---On October 28 at CR 74 and CR 61 pond, Galeton, Gary Lefko reported 3 Greater Yellowlegs and Baird's Sandpiper.

---On October 28 at 35th Ave. Gravel Pond, Greeley, Gary Lefko reported Snow Goose.

---On October 28 at F Street Gravel Ponds, Gary Lefko reported 2 Mute Swans. On October 30 at F Street Gravel Ponds, Tyler Wilson and Alicia Arnold reported 2 Mute Swans.

YUMA COUNTY:

---On October 30 at Wray Fish Hatchery, David Suddjian and DFO Field Trip reported Osprey, 7 Eastern Bluebird, Harris's Sparrow, 3 White-throated Sparrow, and Lincoln's Sparrow.

DFO Field Trips

For more details go to the DFO website

Mountain Lakes and Scoter Trip

Saturday, November 3

5:30 AM – 6:30 PM

Joey Kellner (vireo1 AT Comcast.net; 303-978-1748)

First Creek at Denver Open Space

Sunday, November 4

6:30 AM – 11:00 AM

Patrick O'Driscoll (patrodrisk AT gmail.com; 303-885-6955(cell))

Good Birding,

Joyce Takamine

Boulder

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Tuesday 30 October 2018

[cobirds] Re: Black-legged Kittiwake - Pueblo Res. 10/30

It appears the same winter adult Black-legged Kittiwake that I saw at
Pueblo Reservoir this afternoon, was seen this morning at Memorial
Park in Colorado Springs, and it was photographed up there, mine was
too far out to get any photos. Black-legged Kittiwake is much rarer
of a bird in El Paso County, than Pueblo County.
On Tue, Oct 30, 2018 at 1:25 PM Brandon <flammowl17@gmail.com> wrote:
>
> An adult Black-legged Kittiwake was present early this afternoon, off
> West Fishing Road, at Pueblo Reservoir, Pueblo County. It was
> swimming and flying around three Common Loons. I counted 12 Common
> Loons on Pueblo Reservoir today.
>
> --
> Brandon Percival
> Pueblo West, CO

--
Brandon Percival
Pueblo West, CO

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[cobirds] Black-legged Kittiwake - Pueblo Res. 10/30

An adult Black-legged Kittiwake was present early this afternoon, off
West Fishing Road, at Pueblo Reservoir, Pueblo County. It was
swimming and flying around three Common Loons. I counted 12 Common
Loons on Pueblo Reservoir today.

--
Brandon Percival
Pueblo West, CO

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[cobirds] Colorado Rare Bird Alert, 30 October 2018

Compiler: Joyce Takamine

e-mail: RBA AT cobirds.org

Date: October 30, 2018

This is the Colorado Rare Bird Alert for Tuesday, October 30 sponsored by Denver Field Ornithologists and the Bird Conservancy of the Rockies.

Note that the RBA is using the new AOU checklist.

Rare and out of range species for the last seven days include: (*indicates new information on this

species is new)

Snow Goose (*Adams, *Arapahoe, Kiowa, *Weld)

Ross's Goose (Kiowa)

Greater White-fronted Goose (Huerfano)

Blue-winged Teal (Eagle, *El Pasa)

Cinnamon Teal (Weld)

Eurasian Wigeon (Kiowa, Montezuma)

Greater Scaup (Huerfano, Kiowa, Mesa)

Surf Scoter (Larimer)

Common Goldeneye (*Arapahoe, Kiowa, Lake)

Red-breasted Merganser (Arapahoe Kiowa)

Red-necked Grebe (Boulder)

Horned Grebe (Denver, Montrose)

Virginia Rail (Adams, Boulder)

Sora (Boulder, *Montezuma)

Sandhill Crane (Adams, *Baca, Boulder, Kiowa)

American Avocet (Park)

Black-bellied Plover (*Adams)

American Golden Plover (*Adams)

Semipalmated Plover (Arapahoe)

Stilt Sandpiper (*Adams)

Dunlin (*Adams)

Baird's Sandpiper (Custer, *Weld)

Pectoral Sandpiper (Douglas)

Short-billed Dowitcher (Arapahoe, El Paso)

Long-billed Dowitcher (*Adams, *Arapahoe, Boulder, Custer, La Plata, *Montezuma, Park)

Lesser Yellowlegs (Adams, *Arapahoe, Larimer)

Greater Yellowlegs (*Adams, Boulder, Custer, Huerfano, *Weld)

Wilson's Phalarope (Kiowa)

Red Phalarope (Kiowa)

Bonaparte's Gull (*Arapahoe, Boulder, Kiowa)

Franklin's Gull (*Adams, *Arapahoe, Kiowa, Larimer, Rio Grande)

Mew Gull (Larimer)

Iceland Gull (Thayer's) (Kiowa, Park)

Lesser Black-backed Gull (Adams, Larimer)

Herring X Glaucous-winged Gull (Kiowa)

Pacific Loon (*Denver, Kiowa, Summit)

Common Loon (*Arapahoe, Boulder, Custer, *Denver, Kiowa, Mesa, *Montezuma, San Miguel)

American Bittern (Boulder)

Osprey (*El Paso, Fremont, Jefferson, Las Animas)

Northern Goshawk (Montrose)

Lewis's Woodpecker (Las Animas)

Acorn Woodpecker (La Plata)

Red-naped Sapsucker (Eagle, Summit)

Hairy Woodpecker (Prowers)

Peregrine Falcon (Jefferson)

Hammond's Flycatcher (Montrose)

Gray Flycatcher (Jefferson)

Cordilleran Flycatcher (Montezuma)

Say's Phoebe (Adams, *Arapahoe, Larimer)

Loggerhead Shrike (El Paso)

Northern Shrike (Boulder)

Red-eyed Vireo (Kiowa)

Canada Jay (Jefferson)

Pinyon Jay (Custer)

Steller's Jay (Jefferson, Las Animas, *Pitkin, Summit, Teller)

Woodhouse's Scrub-Jay (La Plata, *Montezuma, Montrose, *Pitkin)

Clark's Nutcracker (Eagle, Jefferson)

Chihuahuan Raven (*Baca, Huerfano, Kiowa)

Juniper Titmouse (La Plata)

Bushtit (*Jefferson, Larimer, *Montezuma, Montrose, Weld)

Canyon Wren (*Pitkin)

Marsh Wren (Adams, Boulder, Mesa, *Montezuma, *Weld)

Bewick's Wren (*Montezuma, Montrose)

Blue-gray Gnatcatcher (Montrose)

American Dipper (Custer)

Ruby-crowned Kinglet (Kiowa, La Plata, *Montezuma, Montrose, Summit)

Eastern Bluebird (*Baca, Huerfano, Kiowa)

Mountain Bluebird (*Arapahoe, Fremont, Kiowa, La Plata, *Montezuma, Montrose)

Gray Catbird (*Adams, Boulder, El Paso)

Curve-billed Thrasher (El Paso)

Sage Thrasher (Arapahoe, *Montezuma)

Northern Mockingbird (Kiowa)

American Pipit (*Adams, Boulder, Custer, Kiowa, La Plata, Teller)

Lesser Goldfinch (*Montezuma)

Chestnut-collared Longspur (Kiowa)

McCown's Longspur (Kiowa)

Canyon Towhee (El Paso)

Savannah Sparrow (Park)

Vesper Sparrow (Kiowa)

Lark Sparrow (Adams, Denver)

Lincoln's Sparrow (Adams, *Baca, Boulder, Clear Creek, Kiowa, *Montezuma)

Swamp Sparrow (Arapahoe, Custer, Montezuma)

White-throated Sparrow (Kiowa, *Montezuma)

Harris's Sparrow (*Adams, Boulder, Kiowa)

Yellow-headed Blackbird (Adams, *Arapahoe, Larimer)

Baltimore Oriole (*Eagle)

Rusty Blackbird (Kiowa, Teller)

Orange-crowned Warbler (Ouray)

Common Yellowthroat (Mesa)

Yellow Warbler (Kiowa)

Black-throated Blue Warbler (Custer)

Western Tanager (Arapahoe, Boulder, Pueblo)

ADAMS COUNTY:

---On October 28 at Rocky Mountain Arsenal NWR – First Creek, John Breitsch reported Lark Sparrow.

---On October 28 at Metzger Farm OS, Matt Hofeditz reported Gray Catbird.

---On October 28 at Pond north of Big Dry Creek Park, Matt Hofeditz reported Virginia Rail, Says's Phoebe, Marsh Wren and Harris's Sparrow.

---On October 28 at Rocky Mountain Arsenal NWR, Heather and Riley Morris reported 40 Sandhill Crane (flyover), 6 Long-billed Dowitcher, and Lesser Yellowlegs.

ARAPAHOE COUNTY:

---On October 28 at High Line Canal Trail – E Belleview Ave to E Quincy Ave (Blackmer Lake), Jared Del Rosso reported Swamp Sparrow and Western Tanager.

BACA COUNTY:

---On October 29 at Hwy 116 and CR 55, Tony Leukering reported 5 Sandhill Crane (flyover), Chihuahuan Raven, Eastern Bluebird, 2 Mountain Bluebird, and Lincoln's Sparrow.

BOULDER COUNTY:

---On October 27 at her home in Louisville, Paula Hansely reported that one of the Harris's Sparrows continues. If you would like to try for it, call her at 720-890-2628.

---On October 27 at Sombrero Marsh and Pond, Rob Cassady reported Sora.

---On October 28 at Peschel OS east of Longmont, Kat Bradley-Bennett and Jamie Simo reported 3 Sandhill Crane and 2 Northern Shrike.

---On October 28 at Terry Reservoir east side off US 287, Bill Kaempfer and John Vanderpoel reported 10 Bonaparte's Gull.

---On October 28 at Walden Ponds, Ted Floyd reported Virginia Rail, Long-billed Dowitcher, Greater Yellowlegs, American Bittern, Marsh Wren, and Lincoln's Sparrow.

CUSTER COUNTY:

DENVER COUNTY:

---On October 28 at First Creek at DEN OS, John Breitsch reported Lark Sparrow.

EAGLE COUNTY:

---On October 28 at Lake Creek Village Wetland, Jennifer Prusse reported 4 Blue-winged Teal, Clark's Nutcracker, and American Dipper.

---On October 28 in Edwards, JoAnn Riggle reported male Baltimore Oriole at a private residence. If you want to try to see the oriole, call or text Penny at 970-331-2559.

EL PASO COUNTY:

---On October 29 at Fountain Creek Regional Park, Alan Ketcham reported 8 Blue-winged Teal and Osprey.

FREMONT COUNTY:

---On October 28 at Brush Hollow Reservoir, Joel and Dale Adams reported 2 Osprey and 2 Mountain Bluebird.

HUERFANO COUNTY:

---On October 28 at Lake Marisa, David Tonnessen reported Greater Yelllowlegs, 3 Chichuahuan Raven, and Eastern Bluebird.

---On October 28 at Orlando Reservoir, David Tonnessen reported Greater White-fronted Goose, and 2 m Greater Scaup.

JEFFERSON COUNTY:

---On October 27 at Waterpointe-Bellio OS, Doug Kibbe and Mackenzie Goldthwaite reported Peregrine Falcon.

---On October 28 at Staunton SP, Steve Roels reported Canada Jay, 4 Steller's Jay, and 5 Clark's Nutcracker.

---On October 28 at Chatfield SP, Steve Hebert reported Osprey and 9 Bushtit.

KIOWA COUNTY:

LAKE COUNTY:

---On October 28 at Mount Elbert Forebay, David Dowell and Michael Lester reported 12 Common Goldeneye.

LA PLATA COUNTY:

---On October 28 at Pastorius Reservoir, Susan Allerton reported Long-billed Dowitcher, Woodhouse's Scrub-Jay, Juniper Titmouse, Ruby-crowned Kinglet, Mountain Bluebird, and American Pipit.

---On October 28 at 1328 CR 142 Durango, Alicia Croliss reported 3 Acorn Woodpecker.

LARIMER COUNTY:

---On October 28 at Dry Creek Reservoir, SE of Carter Lake, Bill Kaempfer and John Vanderpoel reported Surf Scoter and Say's Phoebe.

---On October 28 at Loveland Recreational Trail – Wilson Ave to Namaqua Road, Christine Sparks reported 15 Bushtit and Yellow-headed Blackbird (flyover).

---On October 28 at Horseshoe Reservoir, Andy Bankert and Carolyn Olson reported Mew Gull and 7 Lesser Black-backed Gull.

---On October 28 at Gateway Park Pond, Fawn Simonds reported Lesser Yellowlegs.

LAS ANIMAS COUNTY:

---On October 27 at Lake Dorothy SWA, Tony Godfrey reported 3 Lewis's Woodpecker Osprey, and Steller's Jay.

MESA COUNTY:

---On October 28 at Colorado River SP Fruita Section, Ronda Woodward, Deb Stegall and Nic Korte reported 2 Greater Scaup, Common Loon, and 2 Marsh Wren.

MONTEZUMA COUNTY:

---On October 28 at Industrial Park Pond, Cortez, Brenda Wright and Coen Dexter reported Eurasian Wigeon, Marsh Wren, and Sage Thrasher.

---On October 29 at Totten Reservoir, Coen Dexter and Brenda Wright reported Long-billed Dowitcher, 2 Common Loon, and 2 Mountain Bluebird.

MONTROSE COUNTY:

PARK COUNTY:

---On October 28 at Spinney Mountain Reservoir, David Dowell reported American Avocet, 7 Long-billed Dowitcher and Iceland (thayer's) Gull.

PITKIN COUNTY:

---On October 29 at Lower River Rd, 408 Gerbaz Way, Snowmass, Catherine Hagen reported Steller's Jay, Woodhouse's Scrub-Jay, and Canyon Wren.

SUMMIT COUNTY:

---On October 28 at Silverthorne Water Treatment Plant, David Dowell and Michael Lester reported Ruby-crowned Kinglet.

TELLER COUNTY:

WELD COUNTY:

---On October 27 at Stewart's Pond, Cathy Sheeter reported Cinnamon Teal.

---On October 28 on 14th Ave in Greeley, Shawn Mason reported 22 Bushtit.

---On October 28 at Cozzens Lake, Eaton, Gary Lefko reported Marsh Wren,

---On October 28 at CR 74 and CR 61 pond, Galeton, Gary Lefko reported 3 Greater Yellowlegs and Baird's Sandpiper.

---On October 28 at 35th Ave. Gravel Pond, Greeley, Gary Lefko reported Snow Goose

DFO Field Trips

For more details go to the DFO website

Colorado Eastern Prairie

Tuesday, October 30

5:30 AM – 6:00 PM

David Suddjian (dsuddjian AT gmail.com; 831-713-8659)

Mountain Lakes and Scoter Trip

Saturday, November 3

5:30 AM – 6:30 PM

Joey Kellner (vireo1 AT Comcast.net; 303-978-1748)

First Creek at Denver Open Space

Sunday, November 4

6:30 AM – 11:00 AM

Patrick O'Driscoll (patrodrisk AT gmail.com; 303-885-6955(cell))

Good Birding,

Joyce Takamine

Boulder

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Monday 29 October 2018

[cobirds] Raptor Alley Trip Results

Hi all

Fabulous weather on Saturday ... 24 raptors in total

Ferruginous Hawk - 2
Red-tailed Hawk - 8
Merlin - 2
Unknown - 3
American Kestrel - 4
Bald Eagle - 1
Northern Harrier - 3
Prairie Falcon - 1

Lots of ducks present at Nunn Gravel Pit.

Sunday ... other birds

Marsh Wren - 1 Cozzens Lake/Eaton
Greater Yellowlegs (3), Baird's Sandpiper (1) Weld CR 74/61 pond/Galeton
Mute Swan - 2 F Street Gravel Pond/Greeley
Snow Goose - 1 35th Ave Gravel Pond/Greeley

Thanks Gary Lefko, Nunn

http://www.friendsofthepawneegrassland.org/

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[cobirds] Pacific Loon continues at Marston Reservoir

Another decent vantage point is at the corner of S Pierce St and W Stetson Pl. Both Loons were directly south from here and to the West of the red bouy. Plus there was a Bald Eagle in the cottonwood.

Gregg Goodrich
Highlands Ranch

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[cobirds] Possible Dublin Barr Lake

Probable winter plumage Dunlin at Barr Lake SP.
Chuck Hundertmark
Lafayette

Sent from my iPhone

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[cobirds] Colorado Rare Bird Alert, 29 October 2018

Compiler: Joyce Takamine

e-mail: RBA AT cobirds.org

Date: October 29, 2018

This is the Colorado Rare Bird Alert for Monday, October 28 sponsored by Denver Field Ornithologists and the Bird Conservancy of the Rockies.

Note that the RBA is using the new AOU checklist.

Rare and out of range species for the last seven days include: (*indicates new information on this

species is new)

Snow Goose (*Kiowa, Montrose)

Ross's Goose (*Kiowa)

Greater White-fronted Goose (*Huerfano)

Blue-winged Teal (*Eagle, Mesa)

Cinnamon Teal (Weld)

Eurasian Wigeon (Kiowa, *Montezuma)

Greater Scaup (*Huerfano, Kiowa, *Mesa)

Surf Scoter (La Plata, *Larimerr)

Bufflehead (Gilpin)

Common Goldeneye (Jefferson, Kiowa, *Lake)

Common Merganser (Gilpin)

Red-breasted Merganser (*Arapahoe *Kiowa)

Pied-billed Grebe (Pitkin)

Red-necked Grebe (*Boulder)

Horned Grebe (Denver, Montrose)

RUBY-THROATED HUMMINGBIRD (Boulder)

Virginia Rail (*Adams, *Boulder)

Sora (Boulder, *Montezuma)

Sandhill Crane (*Adams, *Boulder, Chaffee, *Kiowa, Mesa, Montrose)

American Avocet (*Park)

Black-bellied Plover (Adams)

Semipalmated Plover (*Arapahoe)

Baird's Sandpiper (*Custer, Larimer)

Least Sandpiper (Larimer)

Pectoral Sandpiper (Douglas)

Short-billed Dowitcher (Arapahoe, El Paso)

Long-billed Dowitcher (*Adams, *Arapahoe, *Boulder, *Custer, *La Plata, *Park)

Spotted Sandpiper (Arapahoe, El Paso, Mesa)

Lesser Yellowlegs (*Adams, Arapahoe, *Larimer)

Greater Yellowlegs (*Boulder, *Custer, *Huerfano, Moffat)

Wilson's Phalarope (Kiowa)

Red Phalarope (Kiowa)

Bonaparte's Gull (Adams,* Arapahoe, *Boulder, Kiowa)

Franklin's Gull (Adams, Arapahoe, Kiowa, Larimer, Rio Grande)

Mew Gull (*Larimer)

Iceland Gull (Thayer's) (Kiowa, Larimer, *Park)

Lesser Black-backed Gull (Adams, *Larimer)

Herring X Glaucous-winged Gull (Kiowa)

Pacific Loon (Delta, *Denver, Kiowa, *Summit)

Common Loon (Arapahoe, *Boulder, Custer, *Denver, Kiowa, *Mesa, San Miguel)

American Bittern (*Boulder)

Osprey (*Fremont, Garfield, *Jefferson, Las Animas)

Northern Goshawk (Montrose)

Lewis's Woodpecker (Las Animas)

Acorn Woodpecker (*La Plata)

Red-naped Sapsucker (Eagle, *Summit)

Ladder-backed Woodpecker (El Paso)

Hairy Woodpecker (Prowers)

Peregrine Falcon (Jefferson)

Hammond's Flycatcher (Montrose)

Gray Flycatcher (Jefferson)

Cordilleran Flycatcher (Montezuma)

Say's Phoebe (*Adams, Arapahoe, Douglas, *Larimer, Mesa)

Loggerhead Shrike (*El Paso)

Northern Shrike (Arapahoe, *Boulder)

Warbling Vireo (El Paso)

Red-eyed Vireo (Kiowa)

Canada Jay (*Jefferson)

Pinyon Jay (*Custer)

Steller's Jay (Archuleta, *Jefferson, Las Animas, *Summit, Teller)

Woodhouse's Scrub-Jay ( Fremont, *La Plata, Mesa, Montrose)

Clark's Nutcracker (*Eagle, *Jefferson)

Chihuahuan Raven (*Huerfano, Kiowa)

Common Raven (Gilpin)

Juniper Titmouse (Fremont, *La Plata, Montrose)

Bushtit (El Paso,*Jefferson, La Plata, *Larimer, Montrose, *Weld)

Brown Creeper (El Paso)

Rock Wren (Fremont)

Winter Wren (Weld)

Marsh Wren (*Adams, *Boulder, *Mesa, *Montezuma)

Bewick's Wren (Fremont, Montrose)

Blue-gray Gnatcatcher (Adams, Montrose)

American Dipper (Archuleta, *Custer)

Golden-crowned Kinglet (Weld)

Ruby-crowned Kinglet (Adams, Archuleta, El Paso, Kiowa, *La Plata, Mesa, *Montezuma, Montrose, *Summit, Weld)

Eastern Bluebird (*Huerfano,. Kiowa)

Mountain Bluebird (*Fremont, Gunnison, *Kiowa, *La Plata, Mesa, Montrose)

Hermit Thrush (Fremont, Mesa)

Gray Catbird (*Adams,*Boulder, *El Paso, Jefferson)

Curve-billed Thrasher (*El Paso)

Sage Thrasher (*Arapahoe, El Paso, *Montezuma, Montrose)

Northern Mockingbird (Kiowa)

American Pipit (*Boulder, *Custer, Kiowa, *La Plata, *Teller)

Lesser Goldfinch (*Montezuma)

Chestnut-collared Longspur (Kiowa)

McCown's Longspur (Kiowa)

Canyon Towhee (*El Paso)

Chipping Sparrow (El Paso)

Savannah Sparrow (Park)

Vesper Sparrow (Kiowa)

Lark Sparrow (*Adams, *Denver)

Lincoln's Sparrow (Adams, Arapahoe, Archuleta, *Boulder, Clear Creek, Kiowa, *Montezuma, Montrose)

Swamp Sparrow (*Arapahoe, Custer, *Montezuma)

White-throated Sparrow (El Paso, Kiowa, *Montezuma)

Harris's Sparrow (*Adams, Boulder, Kiowa, Larimer)

Yellow-headed Blackbird (Adams, *Larimer, Mesa)

Rusty Blackbird (Kiowa, Teller)

Orange-crowned Warbler (Douglas, Montrose, Ouray)

Common Yellowthroat (El Paso, Mesa)

Yellow Warbler (Kiowa)

Black-throated Blue Warbler (Custer)

Townsend's Warbler (Pueblo)

Wilson's Warbler (Eagle, El Paso)

Western Tanager (*Arapahoe, Boulder, Pueblo)

ADAMS COUNTY:

---On October 26 at Barr Lake SP, Chris Owens reported Long-billed Dowitcher, Bonaparte's Gull, Marsh Wren, Ruby-crowned Kinglet, and Gray Catbird. On October 27 at Barr Lake SP, Lorraine Lanning reported 2 Black-bellied Plover, Franklin's Gull, 2 Lesser Black-backed Gull, and 9 Yellow-headed Blackbird. On October 28 at Barr Lake SP, Felice Lyons reported Gray Catbird and Harris's Sparrow.

---On October 25 at Valente Lake, Jerome Cech reported 2 Blue-gray Gnatcatcher.

---On October 28 at Rocky Mountain Arsenal NWR – First Creek, John Breitsch reported Lark Sparrow.

---On October 28 at Metzger Farm OS, Matt Hofeditz reported Gray Catbird.

---On October 28 at Pond north of Big Dry Creek Park, Matt Hofeditz reported Virginia Rail, Says's Phoebe, Marsh Wren and Harris's Sparrow.

---On October 28 at Rocky Mountain Arsenal NWR, Heather and Riley Morris reported 40 Sandhill Crane (flyover), 6 Long-billed Dowitcher, and Lesser Yellowlegs.

ARAPAHOE COUNTY:

---On October 26 at Cherry Creek SP—Cottonwood Creek wetlands, Jeff Dawson reported Least Sandpiper, 3 Long-billed Dowitcher, Lesser Yellowlegs, 8 Bonaparte's Gull, Franklin's Gull. On October 27 at Cherry Creek SP, Ben Sampson reported Short-billed Dowitcher, 5 Long-billed Dowitcher, 16 Bonaparte's Gull, Common Loon, and Northern Shrike. On October 28 at Cherry Creek SP, Bez Bezuidenhout reported Sage Thraser. On October 28 at Cherry Creek SP Paririe View Loop Birding Platform, DuWayne Worthington reported Semipalmated Plover, 3 Red-breasted Merganser, 3 Long-billled Dowitcher, and 9 Bonaparte's Gull.

---On October 25 at Centennail Park, Edward Donnan reported Spotted Sandpiper.

---On October 26 at Willow Springs O, Centennial, Jared Del Rosso reported Northern Shrike, Say's Phoebe, Lincoln's Sparrow, and Swamp Sparrow.

---On October 26 at Holly Park, Centennial, Jarel Del Rosso reported Northern Shrike.

---On October 28 at High Line Canal Trail – E Belleview Ave to E Quincy Ave (Blackmer Lake), Jared Del Rosso reported Swamp Sparrow and Western Tanager.

ARCHULETA COUNTY:

---On October 26 in Pagosa Springs, Ben Bailey reported Steller's Jay, 4 American Dipper, Ruby-crowned Kinglet and Lincoln's Sparrow.

BOULDER COUNTY:

---On October 23 David Haskell reported a hatch year RUBY-THROATED HUMMINGBIRD coming to his feeder at Riverside Ave and Redwood Ave, Birders are welcome to view the bird from the public sidewalk on Redwood Ave. You can see the balcony with the feeder from there. You cannot see the feeder from his driveway. Please respect private property and stay out of yards. On October 25 Bob Fiehweg and Robin Byers and several other birders reported RUBY-THROATED HUMMINGBIRD on Redwood Ave.

---On October 27 at her home in Louisville, Paula Hansely reported that one of the Harris's Sparrows continues. If you would like to try for it, call her at 720-890-2628.

---On October 27 at Sombrero Marsh and Pond, Rob Cassady reported Sora.

---On October 28 at Peschel OS east of Longmont, Kat Bradley-Bennett and Jamie Simo reported 3 Sandhill Crane and 2 Northern Shrike.

---On October 28 at Terry Reservoir east side off US 287, Bill Kaempfer and John Vanderpoel reported 10 Bonaparte's Gull.

---On October 28 at Walden Ponds, Ted Floyd reported Virginia Rail, Long-billed Dowitcher, Greater Yellowlegs, American Bittern, Marsh Wren, and Lincoln's Sparrow.

CHAFFEE COUNTY:

---On October 25 at The Link School Base Camp, Christian Hagenlocher reported 72 Sandhill Cranes (flyover).

CUSTER COUNTY:

---On October 26 at DeWeese Reservoir, Rich Miller reported Black-throated Blue Warbler in Willows along Grape Creek below the dam and near concrete flume. On October 27 at DeWeese Resevoir, Jerry DeBoer reported 4 Long-billed Dowitcher, Greater Yellowlegs, Common Loon, 2 American Dipper, Swamp Sparrow, Black-throated Blue-Warbler. On October 28 at DeWeese Reservoir, Joel and Dale Adams reported 3 Baird's Sandpiper, 3 Long-billed Dowitcher, 2 Greater Yellowlegs, 2 Pinyon Jay, American Dipper, and 10 American Pipit.

DELTA COUNTY:

---On October 25 at G50 Rd, Carol Ortenzio and Andrea Robinsong reported Pacific Loon.

DENVER COUNTY:

---On October 26 at Marston Reservoir West End, Doug Kibbe and Elaine Wagner reported Pacific Loon. On October 27 at Marston Reservoir West End, John Drummond and Lynne Miller and several other birders reported Pacific Loon and 2 Common Loon. On October 28 at Marston Reservoir, Joe Roller, Joe Chen, and Phil Lyon reported Pacific Loon, and Common Loon.

---On October 28 at First Creek at DEN OS, John Breitsch reported Lark Sparrow.

DOUGLAS COUNTY:

---On October 25 at Platte Canyon Reservoir, Lynne Forrester reported Say's Phoebe.

EAGLE COUNTY:

---On October 26 at Lake Creek Village Wetlands, Eric Culbertson reported Wilson's Warbler. On October 28 at Lake Creek Village Wetland, Jennifer Prusse reported 4 Blue-winged Teal, Clark's Nutcracker, and American Dipper.

EL PASO COUNTY:

---On October 25 at Clear Spring Ranch, Steve Brown banded Ruby-crowned Kinglet and Warbling Vireo. On October 26 at Clear Spring Ranch, Steve Brown banded 2 Bushtit, 2 Ruby-crowned Kinglet, Orange-crowned Sparrow, and Chipping Sparrow.

---On October 25 at Fountain Creek Regional Park, Joel Adams reported 3 Brown Creeper, 3 Ruby-crowned Kinglet, Harris's Sparrow, White-throated Sparrow, 3 Lincoln's Sparrow, Canyon Towhee, Common Yellowthroat, and Wilson's Warbler.

---On October 25 at Big Stratton Reservoir, Terence Berger reported Spotted Sandpiper and 2 Greater Yellowlegs.

---On October 25 at Chico Basin Ranch, Jim Merritt reported Ladder-backed Woodpecker, Loggerhead Shrike, Sage Thrasher, and 2 Canyon Towhee. On October 27 at Chico Basin Ranch, Jim Merritt reported Loggerhead Shrike and Curve-billed Thrasher. On October 28 at Chico Basin Ranch, Tanja Britton reported Loggerhead Shrike, 2 Gray Catbird, Curve-billed Thrasher, and 2 Canyon Towhee.

FREMONT COUNTY:

---On October 25 at Brush Hollow Reservoir, Jerry DeBoer reported Osprey, 5 Woodhouse's Scrub-Jay, Juniper Titmouse, 2 Rock Wren, Bewick's Wren, 16 Mountain Bluebird, Hermit Thrush. On October 28 at Brush Hollow Reservoir, Joel and Dale Adams reported 2 Osprey and 2 Mountain Bluebird.

GARFIELD COUNTY:

---On October 25 at Lions Park in Rifle, Mary and Phil Lyon reported Osprey.

GILPIN COUNTY:

---On October 25 at Los Lagos Reservoir, Bruce Snyder reported 1 f Bufflehead.

---On October 25 at Central City Reservoir, Bruce Snyder reported 4 Common Merganser, and 26 Common Raven on fresh Elk kill.

GUNNISON COUNTY:

---On October 26 on Rd 12 East of Horse Ranch Park, Mike Wanger reported Mountain Bluebird.

HUERFANO COUNTY:

---On October 28 at Lake Marisa, David Tonnessen reported Greater Yelllowlegs, 3 Chichuahuan Raven, and Eastern Bluebird.

---On October 28 at Orlando Reservoir, David Tonnessen reported Greater White-fronted Goose, and 2 m Greater Scaup.

JEFFERSON COUNTY:

---On October 25 at Denver Botanic Gardens Chatfield Farms, Cynthia Madsen, Martha Eubanks, and Pam Zimmer reported Gray Catbird.

---On October 26 at Bear Creek Lake Park—Big Soda Lakes N Trail, Chuck Aid reported Common Goldeneye.

---On October 27 at Waterpointe-Bellio OS, Doug Kibbe and Mackenzie Goldthwaite reported Peregrine Falcon.

---On October 28 at Staunton SP, Steve Roels reported Canada Jay, 4 Steller's Jay, and 5 Clark's Nutcracker.

---On October 28 at Chatfield SP, Steve Hebert reported Osprey and 9 Bushtit.

KIOWA COUNTY:

LAKE COUNTY:

---On October 28 at Mount Elbert Forebay, David Dowell and Michael Lester reported 12 Common Goldeneye.

LA PLATA COUNTY:

---On October 26 at Pastorius Reservoir, Susan Allerton reported Surf Scoter, 2 Long-billed Dowitcher, Woodhouse's Scrub-Jay, 4 Bushtit, Ruby-crowned Kinglet, and 2 American Pipit. On October 28 at Pastorius Reservoir, Susan Allerton reported Long-billed Dowitcher, Woodhouse's Scrub-Jay, Juniper Titmouse, Ruby-crowned Kinglet, Mountain Bluebird, and American Pipit.

---On October 28 at 1328 CR 142 Durango, Alicia Croliss reported 3 Acorn Woodpecker.

LARIMER COUNTY:

---On October 25 at Maple and Fishback, Edward Raynor and David Wade reported Harris's Sparrow.

---On October 26 at Timnath Reservoir, Andy Bankert reported Baird's Sandpiper, 2 Least Sandpiper, and Iceland (Thayer's) Gull.

---On October 28 at Dry Creek Reservoir, SE of Carter Lake, Bill Kaempfer and John Vanderpoel reported Surf Scoter and Say's Phoebe.

---On October 28 at Loveland Recreational Trail – Wilson Ave to Namaqua Road, Christine Sparks reported 15 Bushtit and Yellow-headed Blackbird (flyover).

---On October 28 at Horseshoe Reservoir, Andy Bankert and Carolyn Olson reported Mew Gull and 7 Lesser Black-backed Gull.

---On October 28 at Gateway Park Pond, Fawn Simonds reported Lesser Yellowlegs.

LAS ANIMAS COUNTY:

---On October 27 at Lake Dorothy SWA, Tony Godfrey reported 3 Lewis's Woodpecker Osprey, and Steller's Jay.

MESA COUNTY:

---On October 25 at Horsethief Canyon SWA, Mike Henwood reported Spotted Sandpiper, 5 Woodhouse's Scrub-Jay, 2 Marsh Wren, 6 Ruby-crowned Kinglet, 30 Mountain Bluebird, Hermit Thrush.

---On October 25 at Colorado River SP—Fruita Section, Ryan Claar reported Greater Scaup, Blue-winged Teal, and Marsh Wren. On October 26 at Colorado River SP Fruita Section, Phil Lyon reported 2 Greater Scaup. On October 28 at Colorado River SP Fruita Section, Ronda Woodward, Deb Stegall and Nic Korte reported 2 Greater Scaup, Common Loon, and 2 Marsh Wren.

---On October 26 at Loma 11 8/10 Road from P ½ to Q Road, Mike Henwood and Kathleen McGinley reported 5 Sandhill Crane, Say's Phoebe, Yellow-headed Blackbird.

MOFFAT COUNTY:

---On October 26 at Wyman Living History Museum, Jan Leonard reported 3 Greater Yellowlegs.

MONTEZUMA COUNTY:

---On October 28 at Industrial Park Pond, Cortez, Brenda Wright and Coen Dexter reported Eurasian Wigeon, Marsh Wren, and Sage Thrasher.

MONTROSE COUNTY:

---On October 25 at Nucla Domestic Reservoir, Coen Dexter and Brenda Wright reported Juniper Titmouse, Rock Wren, 7 Ruby-crowned Kinglet, 14 Mountain Bluebird, Orange-crowned Warbler, and Townsend's Warbler. On October 27 at Nucla Domestic Reservoir, Coen Dexter and Brenda Wright reported Northern Goshawk, Hammond's Flycatcher, Woodhouse's Scrub-Jay, Juniper Titmouse, 31 Bushtit, 2 Bewick's Wren, Blue-gray Gnatcatcher, Ruby-crowned Kinglet, 26 Mountain Bluebird.

---On October 26 at Nucla Water Treatment Plant, Coen Dexter and Brenda Wright reported Snow Goose, 2 Sandhill Crane (flyover), Bewick's Wren, Ruby-crowned Kinglet, 66 Mountain Bluebird, 2 Sage Thrasher, and Lincoln's Sparrow.

PARK COUNTY:

---On October 28 at Spinney Mountain Reservoir, David Dowell reported American Avocet, 7 Long-billed Dowitcher and Iceland (thayer's) Gull.

PITKIN COUNTY:

---On October 26 at Aspen Center for Environmental Studies, Catherine Hagen reported 2 Pied-billed Grebe.

SUMMIT COUNTY:

---On Octobder 28 at Silverthorne Water Treatment Plant, David Dowell and Michael Lester reported Ruby-crowned Kinglet.

TELLER COUNTY:

WELD COUNTY:

---On October 26 at Crow Valley CG, John Missing reported Winter Wren, 4 Golden-crowned Kinglet, and 2 Ruby-crowned Kinglet.

---On October 27 at Stewart's Pond, Cathy Sheeter reported Cinnamon Teal.

---On October 28 on 14th Ave in Greeley, Shawn Mason reported 22 Bushtit.

DFO Field Trips

For more details go to the DFO website

Park County Explorations

Monday, October 29

5:30 AM – 4:00 PM

David Suddjian (dsuddjian AT gmail.com; 831-713-8659)

Colorado Eastern Prairie

Tuesday, October 30

5:30 AM – 6:00 PM

David Suddjian (dsuddjian AT gmail.com; 831-713-8659)

Mountain Lakes and Scoter Trip

Saturday, November 3

5:30 AM – 6:30 PM

Joey Kellner (vireo1 AT Comcast.net; 303-978-1748)

First Creek at Denver Open Space

Sunday, November 4

6:30 AM – 11:00 AM

Patrick O'Driscoll (patrodrisk AT gmail.com; 303-885-6955(cell))

Good Birding,

Joyce Takamine

Boulder

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Sunday 28 October 2018

Re: [cobirds] RE: Teachable moment. Please post your photos for study.

COBirders,

A friend of mine posted this photo of a female Tufted Duck today so I thought I'd share it with the group. It's a bit of a closeup, but interesting to look at...

Good birding,

Peter

Peter Burke

5590 Spine Rd. #204 Boulder, CO 80301

(973) 214-0140

Flickr LinkedIn

On Sun, Oct 28, 2018 at 8:28 AM Glenn Walbek <gwalbek@comcast.net> wrote:

https://ebird.org/view/checklist/S49494502

Sent from Mail for Windows 10

From: Joe Roller <jroller9@gmail.com>
Sent: Saturday, October 27, 2018 9:17:22 PM
To: Glenn Walbek
Cc: John Drummond; Joey Kellner
Subject: Teachable moment. Please post your photos for study.

I saw your revised checklist.
Would help me learn the structural points, etc if you re-attached the

close photos you took of the RN Duck, as were on your earlier list.

Thanks, Joe

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[cobirds] Pacific Loon continues at Marston Reservoir

I saw the previously reported Pacific and Common Loons from a vantage point

along Bow-Mar Drive, where one is allowed to pull completely off the roadway onto the grass.

This is near the pin marker for the eBird hotspot named "Marston Reservoir Complex--Marston Reservoir East End".

I looked due south and the loons were 2/3 of the way across the lake, between a red and a yellow buoy. Seeking a

closer look, I drove to the cul de sac of West Layton Way, which can be reached by going south on South Wadsworth St,

where the far west end of the water comes close to the chain link fence. That way one avoids trespassing.

However from that cul de sac, houses blocked views of the loon, and one is prohibited from walking east into the nature

preserve. So I tried from the far west end of the lake, thru the

chain link fence and although I could see the loons, but they were far off and into the sun.

So IF you want to try for the loons, you might need to try all of those 3 vantage points or even Isthmus Park to get a decent view.

Joe Roller, Denver

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[cobirds] Walden Ponds wanderings, Oct. 28

Hey, everybody. I enjoyed a pleasant ramble around Cottonwood Marsh & nearby water bodies, Walden Ponds tract, Boulder County, in the 5pm hour this Sunday evening, Oct. 28. Nothing really out of the ordinary, but a nice array of seasonal stuff: 6 cackling geese, 2 lesser scaups, 1 Virginia rail, 1 long-billed dowitcher, 24 Wilson snipes, 1 greater yellowlegs, 1 American bittern, 1 bald eagle, 500+ westbound American crows, 1 marsh wren, 1 Lincoln sparrow, and 20 westbound great-tailed grackles. Field notes & a few pix at eBird (where else?): https://ebird.org/view/checklist/S49530046.

Ted Floyd

Lafayette, eastern Boulder County

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[cobirds] Waxwings! In west Centennial, Arapahoe County

I too spotted cedar waxwings this morning along the S Platte near the Audubon center as they were getting after the chokecherries and Russian olives along with the robins. Such a handsome bird!!

All the best, Matt Rodgers

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[cobirds] Calmer times in Boulder/Larimer

John Vanderpoel and I headed out late this morning to visit some northern Boulder and southern Larimer reservoirs. As opposed to the goings on of the previous seven days, not too much excitement this time around. The east side of Terry Reservoir off US 287 in Boulder County north of Longmont had a at least 10 Bonaparte’s Gulls, and Dry Creek Reservoir SE of Carter Lake had a Surf Scoter and a lingering Say’s Flycatcher. Some interesting paradoxes out there, though. Newell Lake just east of Berthoud had 635 Ring-billed Gulls in a single species (as far as we could tell) flock. Hummel Reservoir, about 0.5 miles away across fallow fields, and roughly the same size, had none. Our only Canvasbacks, 68 of them, were also all together in the not very large Twin Mounds Reservoir east of Campion.

Bill Kaempfer

Boulder

[cobirds] Around West Arapahoe

I spent the morning and early afternoon around west Arapahoe. Highlights today (10/28) include:

at Blackmer Lake: a rather later Western Tanager. Swamp Sparrow. At least one, possibly two, striking, very dark Red-tails.
in Littleton, a flock of 45 or so Sandhill Cranes, catching a thermal around Broadway & Littleton Blvd.
my first Merlin of the year, at the Rollin D. Barnard Equestrian Park in Greenwood Village. As the local raptors typically do, the Merlin was perched along the enormous transmission towers. I got to see it (apparently) flush north when a Red-tailed Hawk came through, then u-turn and head south to pursue a flock of waxwings already in flight.

- Jared Del Rosso

Centennial, CO

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[cobirds] N. Shrikes and Sandhills east of Longmont last week

Jamie Simo and I did our monthly survey of the Peschel open space east of Longmont and we had two firsts: 2 Northern Shrikes and 3 Sandhill Cranes! The Sandhills weren't in the open space per se, but in the cornfield just south of it. 9 tom turkeys, too!

Kat Bradley-Bennett

Longmont

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Re: [cobirds] Re: Teachable moment. Please post your photos for study.

Although ducks do hybridize and Aythya hybrids, eg Ring-necked x Tufted Duck hybrids occur,

the "structural features" Glenn Walbek mentioned are evident hear, so a juvy RN Duck molting into

first winter plumage fits well with your great photo.

Those structural features would include:

Flat and upward sloped top of head, with peak at rear of crown

Flat, straight back of head.

Tufted would have rounded head.

Bill of RN Duck is slightly longer than scaup or Tufted Duck, although that is not diagnostic.

What other structural features can we see?

One interesting thing about this photo is that the eye is bright yellow. Glenn's photos of juvy

RN Duck showed dull yellow eye! Is the same individual or is eye color affected by lighting?

Finally in the European guide, "Bird Identification" by Harris, Tucker and Vinicombe, on page 45,

there is a drawing of a juvy/first winter RN Duck with the caption, "Eye dull, WISPY CREST DUE TO MOULT".

Also a hybrid (adult) drawing is on the same page.

What else can we learn that will help us separate juveniles of these very similar species - RNDU and TUDU!

There was certainly a big TOO DOO at Marston yesterday.

Joe Roller, Denver

Comments welcome.

On Sun, Oct 28, 2018 at 11:13 AM <myrongerhard@gmail.com> wrote:

Thanks to Bil Ford, this morning we were able to get better photos of this bird. I have posted photos at this ebird post: https://ebird.org/view/checklist/S49516513 for Marston Reservoir. Note that the bird did not dive while we watched (so I assume the head is dry). Also it was well away from any other bird - at least 1/4 mile - and over by the isthmus, very near the shore. I have more photos in case there is some body part you want to see. Any chance this is a hybrid?
Myron Gerhard
Littleton, CO

On Sunday, October 28, 2018 at 8:28:20 AM UTC-6, Glenn Walbek wrote:

https://ebird.org/view/checklist/S49494502

Sent from Mail for Windows 10

From: Joe Roller <jrol...@gmail.com>
Sent: Saturday, October 27, 2018 9:17:22 PM
To: Glenn Walbek
Cc: John Drummond; Joey Kellner
Subject: Teachable moment. Please post your photos for study.

I saw your revised checklist.
Would help me learn the structural points, etc if you re-attached the

close photos you took of the RN Duck, as were on your earlier list.

Thanks, Joe

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[cobirds] Re: Teachable moment. Please post your photos for study.

IMG_6024xx copy.JPG

Thanks to Bil Ford, this morning we were able to get better photos of this bird. I have posted photos at this ebird post: https://ebird.org/view/checklist/S49516513 for Marston Reservoir. Note that the bird did not dive while we watched (so I assume the head is dry). Also it was well away from any other bird - at least 1/4 mile - and over by the isthmus, very near the shore. I have more photos in case there is some body part you want to see. Any chance this is a hybrid?

Myron Gerhard

Littleton, CO

On Sunday, October 28, 2018 at 8:28:20 AM UTC-6, Glenn Walbek wrote:

https://ebird.org/view/checklist/S49494502

Sent from Mail for Windows 10

From: Joe Roller <jrol...@gmail.com>
Sent: Saturday, October 27, 2018 9:17:22 PM
To: Glenn Walbek
Cc: John Drummond; Joey Kellner
Subject: Teachable moment. Please post your photos for study.

I saw your revised checklist.
Would help me learn the structural points, etc if you re-attached the

close photos you took of the RN Duck, as were on your earlier list.

Thanks, Joe

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