[cobirds] Free Bird Walk in Boulder 05/06/2023

Hey all! I'm a young birder from Boulder, CO hosting a free bird walk on May 6, 2023. This is a part of my American Birding Association Young Birder of the Year conservation and community project, so it would be awesome to get some more people to help out and come bird with me! The walk will start at the Skunk Canyon Trailhead at 10:00 AM. Please contact me if you have any questions or are interested in participating/helping to run the walk at kjschnitzspahn01@bvsd.org or (303) 718-6692.

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[cobirds] ID help

Friends,

I was birding this afternoon on the Big Dry Creek Trail (in Centennial, CO —Arapahoe County).  And I'm stumped.

Into a tree flew two birds. One clearly a House Finch (red head and all). The other was similarly-sized, but with no red. What it did have, however, was a V-shaped set of feathers on its (back) — i.e., from the upper parts of each folded wing, with the "tip" of the "v" just above there rump. Again, house finch sized; finch bill. If not for the white pattern, I would have just called it a female house finch.

Any thoughts?

Thanks!

Gary Brower

Unincorporated Arapahoe County

[cobirds] New DFO Trip - South (Metro) by South Platte (Sun. 5 Mar.'23)

Given the relatively short notice, thought I’d drop an advertisement for a new DFO trip I’ll be leading with David Suddjian this coming Sunday morning (Mar 5^th, 2023).  This trip will focus on waterfowl identification along the South Platte River in the south Denver metropolitan area (Denver & Arapahoe Cos.).  We’ll stop and walk at several spots along the river between Overland Park (Denver Co.) and the Carson Nature Center (Arapahoe Co.) all while studying the waterfowl, plus any other goodies we stumble on.  If interested, please jump on the DFO website and register (Denver Field Ornithologists (dfobirds.org)), spaces will be limited.

 

Good Birding,

Doug Ward

[cobirds] DFO presents hawk ID program March 1

Join DFO and nationally known photographer, videographer and educator Josh Haas on Wednesday, March 1 for Hawks on the Wing: seeing beyond the field marks for flight-based identification. The program starts at 6:30 PM (MST) and will feature video, as well as side-by-side comparisons of the raptor species seen during migration at Dinosaur Ridge. This Zoom webinar will be sure to help improve your hawk ID skills. Register on the Upcoming Programs page of the DFO website. As always, DFO programs are free and open to all. 

Sharon Tinianow

DFO Board of Directors

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[cobirds] Dinosaur Ridge - Denver Field Ornithologists (25 Feb 2023) 1 Raptors

Dinosaur Ridge - Denver Field Ornithologists
Colorado, USA

Daily Raptor Counts: Feb 25, 2023
Species	Day's Count	Month Total	Season Total
Black Vulture	0	0	0
Turkey Vulture	0	0	0
Osprey	0	0	0
Bald Eagle	0	0	0
Northern Harrier	0	0	0
Sharp-shinned Hawk	0	0	0
Cooper's Hawk	0	0	0
Northern Goshawk	0	0	0
Red-shouldered Hawk	0	0	0
Broad-winged Hawk	0	0	0
Red-tailed Hawk	0	0	0
Rough-legged Hawk	0	0	0
Swainson's Hawk	0	0	0
Ferruginous Hawk	1	1	1
Golden Eagle	0	0	0
American Kestrel	0	0	0
Merlin	0	0	0
Peregrine Falcon	0	0	0
Prairie Falcon	0	0	0
Mississippi Kite	0	0	0
Unknown Accipiter	0	0	0
Unknown Buteo	0	0	0
Unknown Falcon	0	0	0
Unknown Eagle	0	0	0
Unknown Raptor	0	0	0
Total:	1	1	1

Observation start time:	10:00:00
Observation end time:	12:00:00
Total observation time:	2 hours
Official Counter	Emma Riley
Observers:	Carol Cwiklinski, Ajit Antony, Liza Antony, Steve Small

Visitors:
Today's event on the ridge was part of our planned volunteer orientation. We welcomed 26 people to the site, 18 of those new to the project, and eight returning volunteers. Emma and Ro, our hired staff for this season joined in the fun and shared their experiences with the group. We look forward to an exciting season of hawk watching!

Weather:
Today's weather was sunny and pleasant. There was a light wind and some thin clouds.

Raptor Observations:
Raptor activity near the ridge included mostly non migrants; several adult red-tailed hawks, an adult golden eagle, a light rough-legged hawk and an American kestrel. The golden eagle flew very close over the ridge, giving us a detailed look at it's feather patterns. It was a fun experience for everyone. Our first and only migrant of the day was a dark morph ferruginous hawk. The hawk flew along the western ridge and continued north.

Non-raptor Observations:
The trail was icy in the morning, and melted into a muddy mess in the afternoon.

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Report submitted by DAVID HILL ()
Dinosaur Ridge - Denver Field Ornithologists information may be found at: http://www.dfobirds.org
More information at hawkcount.org: [Site Profile] [Day Summary] [Month Summary]

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[cobirds] Red Crossbills BOCO

Currently a group of 8 Red Crossbills at the northwest corner of Flatiron Parkway and Central Avenue on BOULDER COUNTY.

Thanks,

Jeff Percell

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[cobirds] PROGRAM CANCELED - Boulder Audubon 2/28

The following program has been canceled - Barn Swallows and Humans: The Rise and Fall of Coexistence in a Changing World on February 28.

We apologize for the cancelation and hope to reschedule this program for sometime in the future!

To view our upcoming programs starting in March, please visit this page.

You can also view recordings of previous programs here on our YouTube page.

Thank you!

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[cobirds] Mountain Bluebirds - Denver

Three Mountain Bluebirds -- one male I'd call sky blue, but today's sky looks more Ring-billed Gull to me - were near Sturm Hall at the University of Denver this afternoon. A lovely surprise to encounter them crossing Asbury Ave over a crosswalk that's typically filled with by students.

- Jared Del Rosso

Centennial, CO

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[cobirds] CFO's Year of the Pinyon Jay - And How You Can Get Involved

For CFO, 2023 is the Year of the Pinyon Jay.

In 2023 Colorado Field Ornithologists (CFO) are offering several ways to make an impact for Pinyon Jays. This species has been declining in population range-wide. From 1967–2015, population levels fell an estimated 83.5%. In 2022, Defenders of Wildlife petitioned the U.S. Fish and Wildlife Service to have the species federally listed as threatened or endangered species.

Surveys
CFO has had two Zoom presentations in the last few months on the state of Pinyon Jays as well as a request for community scientists to participate in community science survey efforts. On December 22nd we heard from John Boone of the Great Basin Bird Observatory, kicking off CFO's partnership with them (among other partners) to survey Pinyon Jays in Colorado. On February 8th we also heard from Amy Seglund and Liza Rossi (from Colorado Parks & Wildlife) about Pinyon Jay phenology and how community scientists can help with Pinyon Jay breeding surveys. Videos of both of these presentations can be found on Colorado Field Ornithologists' Pinyon Jay related presentations playlist on our YouTube channel.  The pdf of the CPW slide presentation can be found here. 

If you are interested in participating in either of these surveys, we strongly suggest looking over our Pinyon Jay Community Science Project page on our website for additional information, guidelines, and resources. IMPORTANT: If you document Pinyon Jay breeding behaviors in an area, please immediately leave the area and do not disturb breeding birds. Birds will readily abandon nests if disturbed and you can inadvertently attract predators to a colony.

Financially Support Research Efforts
We're pleased to announce that the beneficiary of CFO's 2023 Colorado Birding Challenge (which takes place May 20, 2023) is a research project, led by Emily Macklin and Dr. Amanda Cheeseman (and in partnership with USFWS, BLM, and CPW) to identify locations of Pinyon Jay colonies and to further map areas of high-quality nesting habitat across Colorado, ensuring woodland management is consistent with Pinyon Jay recovery. So start to assemble your teams and stay tuned for the official kickoff to our popular Colorado Birding Challenge!

Over the next few months there will be additional opportunities to review the protocols and understand opportunities to provide more in-depth field work.

Photo credit: Jim Merritt

Linda Lee

Louisville, CO

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[cobirds] January 2023 Birds, Woodland Park Yard Area and Beyond

January 2023 Birds, Woodland Park Yard Area and Beyond

Green-winged Teal-

Manitou Lake on 1-3, 1 below spillway

 

Great Blue Heron-

Manitou Lake on 1-3, 1 below spillway

 

Sharp-shinned Hawk-

South Trout Creek on 1-29

 

Rough-legged Hawk-

South Trout Creek on 1-29, dark morph

 

Wilson's Snipe-

Manitou Lake on 1-3, 1 below spillway

 

Gray Jay-

Glen Cove on 1-5, 1

 

Clark's Nutcracker-

Lovell Gulch Trail on 1-17

Crystal Res. on 1-19

 

American Crow-

South Trout Creek on 1-9, loose flock of crows flyover, over 100

 

Black-capped Chickadee- 1 on 1-11, 1-9

 

Red-breasted Nuthatch-

Lovell Gulch Trail on 1-17

 

White-breasted Nuthatch- a few sightings

Lovell Gulch Trail on 1-2

Manitou Lake on 1-3

Lovell Gulch Trail on 1-17

 

Cedar Waxwing-

Crystal Res. on 1-21, flock of about 20

South Trout Creek on 1-29, flock of about 125 flying over riparian willows

 

Song Sparrow-

Manitou Lake on 1-3, 2

Manitou Lake on 1-9

Manitou Lake on 1-16, 6

 

American Tree Sparrow-

South Trout Creek on 1-3, 3

South Trout Creek on 1-29, 2

South Trout Creek on 1-16, 1

 

Dark-eyed Junco-

 

Gray-headed- 18 on 1-15

 

Slate-colored- a few around most of the time, 10 on 1-31

South Trout Creek on 1-3, 2

Manitou Lake on 1-9, 1

South Trout Creek on 1-29, a few

 

White-winged- a few around most of the time, 8 on 11-23,

Manitou Lake on 1-9, 6

South Trout Creek on 1-29, a few

 

Pink-sided- a few around most of the time

South Trout Creek on 1-3, 1

Manitou Lake on 1-9, a few

South Trout Creek on 1-29, a few

 

Oregon- one or two around most of the time

Manitou Lake on 1-9

 

House Finch- singing on 1-9

 

Cassin's Finch- 2 on 1-23, 1M on 1-31, a few on 1-19

 

Red Crossbill- a few on 1-11, 16 on 1-20, a few on 1-18

South Trout Creek on 1-3, a couple small flocks

South Trout Creek on 1-29, flock of about 20

Lovell Gulch Trail on 1-17, a few

 

Pine Siskin- 3 on 1-3, 2 on 1-31

 

House Sparrow- M on 1-18, M on 1-31

 

 

Abert's Squirrel- 2 on 1-11

Pikes Peak Highway near Crystal Res.- 1 on 1-1

Lovell Gulch Trail on 1-2- 2 on 1-2

South Trout Creek on 1-29, 1 gray phase

 

Muskrat

Manitou Lake on 1-9, while crossing bridge over spillway, surprised Muskrat at top of spillway that slid down like a water slide into pool at base!

Joe LaFleur
Woodland Park, Teller County, 8500 feet

 

 

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[cobirds] Bohemian Waxwings in Boulder

Found a flock of about 100 Bohemian Waxwings this morning in southeast Boulder, at the same location they have previously been reported in the area of Monroe Drive, just southwest of Foothills Parkway and Colorado Ave.  Present from 9:42 until just after 10:00.

Bob Fiehweg and Robin Byers

Boulder

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[cobirds] article about birds & bats & renewable energy

I wanted to draw your attention to a High Country News article about the growing body of research on the impact of renewable energy plants on winged creatures. It is fascinating, though lengthy. I've tried to copy the link--but it's long too! The article keywords are "dead birds & bats - renewable energy" by Emma F Merchant - Feb. 14 this year.

https://www.hcn.org/articles/wildlife-the-dead-birds-and-bats-that-improve-renewable-energy?utm_source=wcn1&utm_medium=email&utm_campaign=2023-02-17-Newsletter 

One take-away: It is not going to be as simple as just erecting fewer, bigger turbines. And the collection of carcasses is all over the map in terms of consistency by the wind & solar farm developers. And as always, the scientists trying to address the dearth of research need $$$.

Linda Andes-Georges

north central Boulder County

I acknowledge that I live in the territory of Hinóno'éí (Arapaho) and Cheyenne Nations, according to the 1851 Treaty of Fort Laramie; and that Colorado's Front Range is home to The Ute & many other Native peoples. Reconozco que vivo en el territorio de las naciones Hinóno'éí (Arapaho) y Cheyenne, según el 1851 Tratado de Fort Laramie; y que el estado de Colorado al esté de las Montañas Rocosas es territorio de Utes y muchos otros pueblos indígenas. 

[cobirds] Denver Field Ornithogists monthly program Feb 27

DFO presents Greater Sage Grouse: largest conservation effort in US history on Monday, February 27 at 7 PM (MST). An alarming report suggests 1.3 billion acres of sagebrush habitat are being lost each year. Join Daly Edmunds, director of policy and outreach for Audubon of the Rockies, to learn about the organization's Sagebrush Ecosystem Initiative that seeks to conserve the high, dry western habitat on which 350 species, including the Greater Sage-Grouse, depend.

You must register in advance on the DFO website. Go to www.dfobirds.org and select Upcoming Programs. You will be sent a link to the webinar. As always, DFO programs are free and open to the public. 

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[cobirds] Red-breasted Merganser / South Platte Res

Yesterday, Saturday 2/18, Chatfield was almost 0% open water, so we went to South Platte Reservoir (not sure if that's Arapahoe or Jeffco).  

81 Ring-necked Ducks,

18 Common Merganser

A half-dozen Hooded Merganser

2 RED-BREASTED MERGANSER

15-20 Ring-billed Gulls

A couple of Bufflehead and Goldeneye.

Walking the Mary Carter bike trail North from there, ponds were mostly frozen except the 1st on the right near the rest rooms, with the fishing deck.  Here saw 20-25 Lesser Scaup, 6 Hoodies, many Shovelers.  

Along the trail were 2 juv. Red-tailed Hawks, also 1 ad. and 1 juv. Bald Eagle.

Dave Cameron

Denver

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[cobirds] Parking Lot Ravens - Douglas / Arapahoe

There were at least four Common Ravens at the Target off Highlands Ranch Parkway in Douglas County today. Among them, a Crow seemed to be trying to cache -- or trying to uncover something cached -- in the soft soil around landscaping grasses.

Later today, I watched a pair of Common Ravens at Streets of Southglenn in Centennial (Arapahoe) chase away a Red-tailed Hawk from the mall. The hawk was perched along the edge of the now empty Macy's, where the ravens have previously nested. The ravens harassed the hawk from a perch above him. One raven croaked at the Red-tail; the other banged their bill against the ledge above the hawk -- a surprising strategy, at least to me.

Eventually, the hawk flew off and the Ravens gave chase. The Ravens returned, perched where the hawk had been, croaked and generally seemed unsettled. The Red-tail was still in their view, perhaps explaining their unease. 

- Jared Del Rosso

Centennial, CO

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[cobirds] Bushtits Vocalizing & Flicker in Cavity - Arapahoe

I took a short walk along the High Line Canal Trail in Greenwood Village / Centennial (Arapahoe County) this morning. No uncommon species to report, but it was a notable morning for two encounters: a female Northern Flicker hanging out in a cavity in a cottonwood and an active flock of Bushtits. The latter gave emphatic calls when a Sharp-shinned Hawk entered the scene and then again when the hawk departed. 

I didn't react quickly enough to get a recording and couldn't conjure the call now from memory to describe it. But presumably this was what Birds of the World calls the Avian Predator Warning Call: "Sre-e-e-e e-e-e," a "high-pitched warbling call." A 1903 article by Joseph Grinnell is Birds of the World's' source for the description of this call. You can read that article here: https://sora.unm.edu/node/94393. 

A couple of photos and other observations at my blog.

- Jared Del Rosso

Centennial, CO

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[cobirds] Dinosaur Ridge - Denver Field Ornithologists (17 Feb 2023) Raptors

Dinosaur Ridge - Denver Field Ornithologists
Colorado, USA

Daily Raptor Counts: Feb 17, 2023
Species	Day's Count	Month Total	Season Total
Black Vulture	0	0	0
Turkey Vulture	0	0	0
Osprey	0	0	0
Bald Eagle	0	0	0
Northern Harrier	0	0	0
Sharp-shinned Hawk	0	0	0
Cooper's Hawk	0	0	0
Northern Goshawk	0	0	0
Red-shouldered Hawk	0	0	0
Broad-winged Hawk	0	0	0
Red-tailed Hawk	0	0	0
Rough-legged Hawk	0	0	0
Swainson's Hawk	0	0	0
Ferruginous Hawk	0	0	0
Golden Eagle	0	0	0
American Kestrel	0	0	0
Merlin	0	0	0
Peregrine Falcon	0	0	0
Prairie Falcon	0	0	0
Mississippi Kite	0	0	0
Unknown Accipiter	0	0	0
Unknown Buteo	0	0	0
Unknown Falcon	0	0	0
Unknown Eagle	0	0	0
Unknown Raptor	0	0	0
Total:	0	0	0

Observation start time:	10:00:00
Observation end time:	13:00:00
Total observation time:	3 hours
Official Counter	Ajit Antony
Observers:

Weather:
The forecast was for light SW>S>SE winds with a high of 57°F. I wore my crampons because of the recent snowfall.

Raptor Observations:
A few minutes after I got the watch a buteo flew quite low from the South with very white underwings with no prominent bellyband and my initial thought was FH, but as it came close I could see very dark prominent patagial marks making it an Eastern subspecies of RT, though it had a dark throat suggesting a Western subspecies though which Easterns can have. The reason it was so white under was the reflection on the underwings from the snow which Jerry Liguori has photographs of in his books "Hawks from Every Angle" and "Hawks at a Distance." It turned north of the watch and flew down to the valley to the West. 2 more RT â€" 1 on a utility pole to the West â€" Western subspecies with a very wide bellyband which stayed perched over an hour, the other next to C-470 on a transmission tower.

Non-raptor Observations:
At 11:13 AM a large flock of medium-sized birds seen to the south of the ridge â€" I was sure they had to be Bohemian Waxwing since its an irruption year. There were 175 birds. My eBird checklist with 2 images: https://ebird.org/checklist/S128557444 Red-breasted Nuthatch heard, Townsend's Solitaire 3, Woodhouse's Scrub-Jay 1, American Robin 6, Northern Flicker (red-shafted), House Finch 1.

---

Report submitted by DAVID HILL ()
Dinosaur Ridge - Denver Field Ornithologists information may be found at: http://www.dfobirds.org
More information at hawkcount.org: [Site Profile] [Day Summary] [Month Summary]

---

Site Description
Dinosaur Ridge is the only regularly staffed hawk watch in Colorado and is the
best place in the world to see migrating Ferruginous Hawks. Hawk watchers may
see 17 species of migrating raptors; and it is an excellent site to see rare
dark morph buteos including Broad-winged hawk, Swainson’s hawk, Ferruginous
hawk, Rough-legged hawk and Red-tailed Hawk. Other raptors we see include Golden
and Bald Eagles, Northern harrier, Osprey, Peregrine Falcons, Prairie Falcons,
Cooper's and Sharp-shinned Hawks, American Kestrels, Merlin, and Turkey
Vultures. Northern Goshawk is uncommon but also counted each season. Non-raptor
species include Rock Wren, Bushtit, Western Bluebird, Sandhill Crane,
White-throated Swift, American White Pelican, and Dusky Grouse. Birders of any
skill level are always welcome. The hawk watch at Dinosaur Ridge is staffed by a
Hawk Counter and volunteers from 9:30 AM to 5:30 PM from March 1st to May 14th,
weather permitting.

Directions to site:
From exit 259 on I-70 towards Morrison, drive south under freeway and take left
into first parking lot, the Stegosaurus lot. Follow hawk watch signs from the
southwest end of the parking lot to the hawk watch site. The hike starts heading
east on an old two-track and quickly turns south onto a trail on the west side
of the ridge. When the trail nears the top of the ridge, turn left, and walk to
the flat area at the crest of the ridge. (Distance: 0.56 miles, Elevation gain:
259 feet)

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[cobirds] Re: Robins Robins Robins

2 1/2 hours later the feeding is still going on for some 100 robins.  

Only a couple of Bohemians left, but as a bonus I saw one Cedar Waxwing too.

David Gulbenkian  

Crown Hill, Lakewood,  Jeffco

On Friday, February 17, 2023 at 10:54:50 AM UTC-7 dgulb...@gmail.com wrote:

Starting around 9 I began seeing extraordinary Robin activity outside my study window.

My honeysuckle berries were all gone, and there were only a couple of dried pears

hanging on to my medium-sized pear trees, so I was puzzled why so many were hanging

around. When the number perched just in one tree reached 40, I decided to go out.  I stepped out the door on the other side of the house to find the walk heavily littered with droppings.  Not the usual white splotch, but dark brown and black stuff.  What were they eating?

The great attraction turned out to be a large juniper next door.  A shoveled walk along side it and a large patch of snow-free grass were packed with robins pecking the ground, and there were another 20 or 30 birds in the trees.    I wondered what had caused  the juniper berries to drop, but my neighbor affirmed that it was the mass of birds in the tree that had knocked so many of the berries down.  (The walk had been clear last night.)

In addition to the birds actively feeding, there were robins in trees in all directions-- we estimated 2-300 hundred robins.  

It was thrilling to witness, but not having had any luck with Bohemian Waxwings yet, I was feeling bad that so large a flock didn't have at least a few.  Then I saw them.  They were all in the very top of the juniper, none on the ground.  Only about a dozen or less, but brilliantly lit up.  Great morning!

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[cobirds] Robins Robins Robins

Starting around 9 I began seeing extraordinary Robin activity outside my study window.

My honeysuckle berries were all gone, and there were only a couple of dried pears

hanging on to my medium-sized pear trees, so I was puzzled why so many were hanging

around. When the number perched just in one tree reached 40, I decided to go out.  I stepped out the door on the other side of the house to find the walk heavily littered with droppings.  Not the usual white splotch, but dark brown and black stuff.  What were they eating?

The great attraction turned out to be a large juniper next door.  A shoveled walk along side it and a large patch of snow-free grass were packed with robins pecking the ground, and there were another 20 or 30 birds in the trees.    I wondered what had caused  the juniper berries to drop, but my neighbor affirmed that it was the mass of birds in the tree that had knocked so many of the berries down.  (The walk had been clear last night.)

In addition to the birds actively feeding, there were robins in trees in all directions-- we estimated 2-300 hundred robins.  

It was thrilling to witness, but not having had any luck with Bohemian Waxwings yet, I was feeling bad that so large a flock didn't have at least a few.  Then I saw them.  They were all in the very top of the juniper, none on the ground.  Only about a dozen or less, but brilliantly lit up.  Great morning!

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[cobirds] BIRD BOMBS Colorado Blues March 9

Hi Birders,

Get set for the next DFO BIRD BOMBS "Colorado Blues" on Thursday March 9 at 7 pm. Learn about identification of our wonderful bluebirds just as bluebird migration begins. Register here for Colorado Blues  

BIRD BOMBS are free bird ID webinars on focused Colorado topics. The video of the latest BOMB blast, "Where'sThat on the Bird?" is available on the DFO past programs page here Where's That on the Bird?  

Here's a little "Where's That?" review with a female bluebird. Can you figure out which kind she is?

David Suddjian

Littleton, CO

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[cobirds] Barn Swallows and Humans | Boulder Audubon Program

Barn Swallows and Humans: The Rise and Fall of Coexistence in a Changing World

Are you captivated by colorful Barn Swallows, with their fast flying and long forked tails, twisting and turning as they catch insects on the wing? Join us for Boulder County Audubon's February program with Dr. Rebecca J. Safran where she will discuss how humans and barn swallows have evolved together, and how we may continue to evolve on a changing planet.

When: Tuesday, February 28, 7:15 PM - 8:45 PM

Where: Online via Zoom. The link will be posted on this page on February 28.

This talk will explore this story of human and barn swallow expansion and co-settlement – a relationship that has lasted for thousands of years and is now changing abruptly as barn swallows – at home just about anywhere on planet earth – are being brought to the limits of adaptation. The story of the barn swallow is not unlike our own – as there are now places where these birds can no longer thrive, humans too are currently contending with areas rendered uninhabitable due to the effects of climate change, whether it be sea level rise, extreme heat, fire, or flood. What will be our future story of home? Will our longstanding relationship with the barn swallow persist in this new climate?

Dr. Safran is a Professor of Ecology and Evolutionary Biology at the University of Colorado-Boulder. She is also Founding co-Director of Inside the Greenhouse for creative climate communication, where her focus includes an exploration of humans and birds living side by side in the natural world. Learn more here!

To view recordings of past BCAS programs, visit our YouTube page.

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[cobirds] February Winter Raptor Survey of Rocky Mountain Arsenal NWR and DIA Raptor Alley

We completed our 3rd and last monthly volunteer Winter Raptor Survey for HMANA 3 days ago for the 2022-2023 season covering the same route each time in the area from Rocky Mountain Arsenal NWR Wildlife Drive to Barr Lake colloquially known as DIA Raptor Alley.

With winter progressing into February, even more raptors have moved down into the area.

We saw and identified 110 Raptors, the most we've seen this winter season in a day.

Ferruginous Hawk.         23

Prairie Falcon                 2

Rough-legged Hawk       2

Golden Eagle                  2

Bald Eagle                      29

Northern Harrier             23

American Kestrel            8

Red-tailed Hawk             21         

14 of the 23 Ferruginous Hawk, 1 Prairie Falcon and both Golden Eagle were seen along the Wildlife Drive at Rocky Mountain Arsenal NWR.

We met our daughter and grandchildren at Lake Mary at the NWR for a few minutes – they were there coincidentally on an outing. Our 7 year old grandson Oliver who loves hawks found and identified a distant Kestrel on a wire and 2 BE in the sky that I needed binoculars to see. His 4-year-old sister not to be outdone found us what turned out to be a distant soaring adult Golden Eagle!

While we have seen Rough-legged Hawk and Golden Eagle yearly in New York where we lived for the past 50 years before moving to Denver in July 2022, the only Ferruginous Hawk we had ever seen in New York was in the winter of 2020-20 when 1 spent the winter there – the 1st ever in New York State, so these FH sightings were spectacular for us in Colorado, also very exciting the Prairie Falcon, also a Western bird.

You can see what we found on our previous 2 WRS along the same route at

https://wrs.hmana.org/public_html/index.php as well as another current route in Colorado – the new Nunn Raptor Alley route conducted by Robert Beauchamp, as well as other routes throughout the country.

In addition we do 2 other WRS routes in the Boulder area, one of which we completed yesterday and  which result I have entered into the HMANA WRS website, and will complete the last one within the week.

Ajit & Liza Antony

Central Park, CO (which used to be called Stapleton)

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[cobirds] DFO field trips February Little Big Week

Join in some February fun, and a great opportunity for newer birders and to work as a team. 

DFO is having a February Little Big Week of field trips. A crazy big idea for the February doldrums of 7 little field trips only in Littleton seven days in a row Feb 20-26. Trip details and registration is here: https://dfobirds.org/FieldTrips/UpcomingTrips.aspx  

Everyone is welcome and DFO trips are free. This is a good opportunity to learn some new spots, as we hop skip around on the different trips. Newer birders are very welcome.

A Little Little Big Week intro

Goal: to find as many different species as we can in Littleton on seven short (3 hour) DFO field trips while still having fun. Here "Littleton" is expanded beyond the city boundary to include some adjacent unincorporated areas considered under that name. We are going to bird and have fun as we always do on DFO trips, and not race around, but we are limited to only a few hours each trip. We will visit good birding spots with a variety of habitats. I'll update each group with details before each trip.

Our collective species goal is 60, but we may do better. This is a seasonal ebb now for variety, and some species found in some years are not wintering at Littleton this year. Much will depend on the breaks and planning, but DFO field trips always come up with more than expected! 

I've made a list of 98 species that seem to me to be the pool of possibilities for our search area. I've divided the list into 'expected' species (47), 'maybe' species (26) and 'possible' species (25). The expected species are expected to be found with little to no planning. The 'maybe' species take some planning and maybe some good fortune. And 'possible' species are those that may be around but are hard to catch up with, or might be missing this particular winter in our search area. We can expect all the 'expected', maybe half or better of the 'maybe' and maybe none of the 'possible'. We'll rejoice for any of those. 

In addition to the Little Big Week trips, our field trip calendar has other open trips and many more coming up this spring. DFO Field Trip Calendar

David Suddjian

DFO Field Trip Committee Chair

Littleton, CO

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[cobirds] Bohemian Waxwings - Arapahoe

A Bohemian Waxwing flock of at least 50 birds has spent at least the past 90 minutes in my neighborhood in Centennial (Arapahoe), just north of Arapahoe Rd and University Ave. I first heard the birds vocalizing around 3:00 PM from a cottonwood at the edge of my neighbors' yard, visible from my yard. They flew off, but appear to have just moved a yard or two over, as I'm still hearing them. 

- Jared Del Rosso

Centennial, CO

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[cobirds] American White Pelicans return to John Martin Reservoir (Bent County) in SE Colorado

Birders, 

Birding here in the banana belt of Southeast Colorado has been extraordinarily slow this winter, due to ice formation on most Reservoirs in November, countless subzero cold snaps and snow events, and a failure of most of the food crop. 

Things took a turn toward our normal today, with the return of at least 37 migrating American White Pelicans to the west end of John Martin Reservoir, despite the lake remaining at least 99 percent covered with ice. I've noted before that American White Pelican may be the harbinger of spring here, appearing in numbers some years the last week of January. 

Numbers of some waterfowl are also picking up, with increases in the numbers of Northern Pintail, American Wigeon, Canvasback, Redhead and Green-winged Teal. 

Of course, we're bracing for our next winter storm warning, beginning tomorrow night. 

Duane Nelson

Las Animas, Bent County, CO

[cobirds] Rusty Blackbirds at Blanca Wetlands

My wife Lisa does wetland water work and is a biologist at Blanca Wetlands. One of her monitoring game cameras picked up a bird that looked a lot like Rusty Blackbird. I went out looking a few days later and came up empty. But yesterday, she found the bird, and turns out to be a minimum of three, maybe 5 birds out there. 

Here's the catch however. The area closes for the nesting season on the 15th Feb, in 3 days. Couple that with incoming storms and the window of opportunity is slim. 

The birds seem to frequent the watchable wildlife area, in the Russian olives surrounding the lake immediately north of the Watchable parking lot. 

These birds represent the likely first records for the species in the San Luis Valley. 

On another subject, the cranes are returning to the Valley, so far in small and widespread flocks.  The bulk of them are yet to return. 

John Rawinski

Monte Vista, CO

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[cobirds] Found- camera lens cover on Pelican Point, CCSP

I found a camera lens cover on Pelican Point at CCSP last week. Please contact me at dlschoch@q.com if you're missing one.

Doug Schoch

Centennial, Arapahoe County

[cobirds] Visiting birder needing recommendations for Rosy Finches and Pine Grosbeak

Hi Colorado birders,

I and my wife are birders visiting from California this weekend. We are keen on seeing some of the Colorado birds that would be lifers for us such as Brown-capped Rosy Finch, Pine Grosbeak, American three-toed Woodpecker, Bohemian Waxwing, etc.

We'll be mainly in the Denver and surrounding area but can drive around farther. Wanted to get recommendations from the group on the birding spots to try with a good chance of finding the Rosy finches and the Pine Grosbeak. Also, any pointers on where we could attempt to see the American three-toed Woodpecker would be great (Have seen some reports coming from upper Maxwell falls trail so planning to check that)

Appreciate your help and thank you in advance.

Thanks,

Vinayak

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[cobirds] Dinosaur Ridge - Denver Field Ornithologists (10 Feb 2023) Raptors

Dinosaur Ridge - Denver Field Ornithologists
Colorado, USA

Daily Raptor Counts: Feb 10, 2023
Species	Day's Count	Month Total	Season Total
Black Vulture	0	0	0
Turkey Vulture	0	0	0
Osprey	0	0	0
Bald Eagle	0	0	0
Northern Harrier	0	0	0
Sharp-shinned Hawk	0	0	0
Cooper's Hawk	0	0	0
Northern Goshawk	0	0	0
Red-shouldered Hawk	0	0	0
Broad-winged Hawk	0	0	0
Red-tailed Hawk	0	0	0
Rough-legged Hawk	0	0	0
Swainson's Hawk	0	0	0
Ferruginous Hawk	0	0	0
Golden Eagle	0	0	0
American Kestrel	0	0	0
Merlin	0	0	0
Peregrine Falcon	0	0	0
Prairie Falcon	0	0	0
Mississippi Kite	0	0	0
Unknown Accipiter	0	0	0
Unknown Buteo	0	0	0
Unknown Falcon	0	0	0
Unknown Eagle	0	0	0
Unknown Raptor	0	0	0
Total:	0	0	0

Observation start time:	10:15:00
Observation end time:	13:15:00
Total observation time:	3 hours
Official Counter	Ajit Antony
Observers:

Weather:
The initial path going north was ice-free but the shaded portions after the bend were icy, with no problem going up but coming down was slick from the snow having melted especially in the steeper areas just before the bend where I saw hiker slip but not fall, I avoided his way but slipped on invisible black ice in the shade of acedar and the next thing I knew I was on my back.

Raptor Observations:
South-based winds were predicted today so we continued our exploration of whether we could see early migrant raptors in February.My guess is we may see a few in the last week of February. In the 1st hour an RT rose in the valley to the east then flew little above the watch going south (Western subspecies with a dark throat, and was missing a left 6th primary) and a few minutes later it was joined by another one which dove on it and then soared with it. In the last hour 2 RT flew in from the south but they were different pair as neither of them were in molt (one was an Eastern subspecies with a white throat and the other was a Western subspecies). An SS flew south quite low. I had to look at it for long time to confirm my initial impression that it was an SS as Western CH are smaller than Eastern, thus more similar to SS in flight.

Non-raptor Observations:
White-breasted Nuthatch 2, Common Raven 2, Townsend’s Solitaire 3, Black-capped Chickadee 2. There was the band of smog at the NE horizon.

---

Report submitted by DAVID HILL ()
Dinosaur Ridge - Denver Field Ornithologists information may be found at: http://www.dfobirds.org
More information at hawkcount.org: [Site Profile] [Day Summary] [Month Summary]

---

Site Description
Dinosaur Ridge is the only regularly staffed hawk watch in Colorado and is the
best place in the world to see migrating Ferruginous Hawks. Hawk watchers may
see 17 species of migrating raptors; and it is an excellent site to see rare
dark morph buteos including Broad-winged hawk, Swainson’s hawk, Ferruginous
hawk, Rough-legged hawk and Red-tailed Hawk. Other raptors we see include Golden
and Bald Eagles, Northern harrier, Osprey, Peregrine Falcons, Prairie Falcons,
Cooper's and Sharp-shinned Hawks, American Kestrels, Merlin, and Turkey
Vultures. Northern Goshawk is uncommon but also counted each season. Non-raptor
species include Rock Wren, Bushtit, Western Bluebird, Sandhill Crane,
White-throated Swift, American White Pelican, and Dusky Grouse. Birders of any
skill level are always welcome. The hawk watch at Dinosaur Ridge is staffed by a
Hawk Counter and volunteers from 9:30 AM to 5:30 PM from March 1st to May 14th,
weather permitting.

Directions to site:
From exit 259 on I-70 towards Morrison, drive south under freeway and take left
into first parking lot, the Stegosaurus lot. Follow hawk watch signs from the
southwest end of the parking lot to the hawk watch site. The hike starts heading
east on an old two-track and quickly turns south onto a trail on the west side
of the ridge. When the trail nears the top of the ridge, turn left, and walk to
the flat area at the crest of the ridge. (Distance: 0.56 miles, Elevation gain:
259 feet)

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[cobirds] Lamar area (Prowers) of late

Just got back from a visit to the Lamar area.  Main mission was participation in the High Plains Snow Goose Festival.  

I led two field trips to the Lamar Community College Woods.  One was in late afternoon on 2/3, one was early morning on 2/4.  Target birds was Northern Cardinal, which we missed in the afternoon, most of us saw next morning.  As many as 5 seen on days before and after the scheduled trips.  Lesson: watched pots only sometimes boil.  Field trips formally scheduled for time slots after official sundown in February are set-ups for failure despite supplemental feeding (thank you Dotti Russell) and the best intentions of field trip leaders and participants.  Also, narrow social trails are not conducive to the success of all participants when the groups are of the size we had (20-30 people).

I keep a list for an artificial "Lamar CBC" area that extends 6-7 miles in all directions from downtown Lamar.  The list for the period January 30 thru February 8 was 71 species.

North Gateway Park in the northern part of town just s of the Arkansas River e of Main Street has gravel ponds that variable host birds, mostly depending on whether iced over or not.  When open they can have lots of Common Mergansers, white-cheeked geese, Common Goldeneyes, other ducks.  The road that goes all the way around the gravel ponds comes close to the Arkansas River along the north side.  The bank between the road and the river currently hosts a Greater Roadrunner.  On the river, viewable only from this road, have been Killdeer, Wilson's Snipe, American Pipit and a couple Rusty Blackbirds, plus a few duck species, Great Blue Heron and Belted Kingfisher.

West of town on CR HH (Oak Street extended west) just e of the turn to Lamar Airport have been Eastern Bluebirds.  

On private land have been Red-bellied Woodpeckers, Red-breasted Nuthatch, White-winged Doves and Yellow-rumped Warbler.

Besides cardinals, LCC Woods has had a few Spotted Towhees, Lesser Goldfinches, Cooper's Hawk, Hairy Woodpecker, and eastern race White-breasted Nuthatches.

Great-tailed Grackles abound in the area along Main Street n of downtown near the McDonald's/Sonic fast food restaurants.

Missing, at least for me, this winter have been Yellow-bellied Sapsucker, shrikes, siskins, waxwings, mimic thrushes, Carolina Wren, Curve-billed Thrasher, Hermit Thrush, Brown Creeper and White-throated Sparrow.

All the white geese this winter have been in the Holly area, specifically Midwest Farm/Granada State Wildlife Areas and nearby fields.  John Martin Reservoir is mostly frozen and does not have its normal large contingent of white geese.

County roads in the Lamar area have good numbers of both Red-tailed and Ferruginous Hawks.  Rough-legged Hawks are present in small numbers.  All the other common raptors are around but not abundant.

I had a White Pelican on the Ark River immediately below the John Martin Res Dam (sw of Lake Hasty) on 2/7.  Brown Creeper and White-breasted Nuthatches (eastern) in the Hasty Campground.  Couldn't detect a Swamp Sparrow in the nw corner of Lake Hasty.  Couldn't roust a Rock Wren on the JMRes dam.

Dave Leatherman

Fort Collins

[cobirds] December 2022 Birds, Woodland Park Yard Area and Beyond

December 2022 Birds, Woodland Park Yard Area and Beyond

Golden Eagle-

Manitou Lake on 12-6, 1 adult

 

Belted Kingfisher-

Manitou Lake on 12-20, 1, below spillway

 

Northern Shrike-

South Trout Creek on 12-14, 1

 

Steller's Jay-

Manitou Lake on 12-20, flock of 8 in juniper row along parking lot road

 

Woodhouse's Scrub-Jay-

Lower Chamberlain Trail on 12-27, a few

 

Clark's Nutcracker-

Lovell Gulch on 12-19, 1

Crystal Res. on 12-31, 1

 

Common Raven-

Highlands Ranch on 12-26, loose flock of about 16

 

Townsend's Solitaire-

Lower Chamberlain Trail on 12-27, calling

Manitou Lake on 12-14, in row of junipers along parking lot road, no berries in trees, eating snow

Highlands Ranch on 12-26, 1

 

American Robin-

Lower Chamberlain Trail on 12-27, 2

Red Rock Canyon Overlook Loop on 12-27, a few

Highlands Ranch on 12-26, 1

 

Red-breasted Nuthatch-

Highlands Ranch on 12-26

 

White-breasted Nuthatch- one around some of the time

South Trout Creek on 12-20

 

Black-capped Chickadee- 12-7, 12-30

 

Mountain Chickadee-

Manitou Lake on 12-6, loose flock of 8

Manitou Lake on 12-20, loose flock of 8

 

Brown Creeper- 12-18

Lovell Gulch on 12-19, 1

 

European Starling-

Along Hwy. 67 just N of Woodland Park on 12-20, a few with a flock of about 50 Red-winged Blackbird

 

Cedar Waxwing-

Near intersection of Red Rock Canyon Overlook Loop and Ridgeline Trail on 12-27, 1, at about 6750

Crystal Res. on 12-30, flock of about 20

 

Spotted Towhee-

Lower Chamberlain Trail on 12-27, 1

Song Sparrow-

Manitou Lake on 12-6, 1

Manitou Lake on 12-20, loose flock of 6

 

American Tree Sparrow- 12-3

Manitou Lake on 12-6, 4

South Trout Creek on 12-14, 2

Manitou Lake on 12-20, 16

South Trout Creek on 12-20, 4, actually perched in a tree, Ponderosa Pine

 

Dark-eyed Junco

Gray-headed-

Lower Chamberlain Trail on 12-27, small flock

 

Oregon- a couple sightings

 

Slate-colored- a few around most of the time

Lower Chamberlain Trail on 12-27, small flock

Manitou Lake on 12-20, 4

South Trout Creek on 12-20, 4

 

White-winged- a few around most of the time

South Trout Creek on 12-14, a few

Manitou Lake on 12-20, 8

South Trout Creek on 12-20, 4

 

Pink-sided- one or two around most of the time

Lower Chamberlain Trail on 12-27, small flock

Manitou Lake on 12-6, 15

South Trout Creek on 12-14, 1

South Trout Creek on 12-20, 12

 

Red-winged Blackbird-

Manitou Lake on 12-20, 1 along juniper row along parking lot road

Along Hwy. 67 just N of Woodland Park on 12-20, flock of about 50

 

Evening Grosbeak- 3M on 12-22

 

American Goldfinch- 12-9

 

Cassin's Finch- 3M on 12-5, F on 12-7

 

Rosy-Finches-

Flock of about 100 along Pikes Peak Highway, around MM 10, on 12-16

 

Red Crossbill- small flock on 12-2, 12-30, 20 on 12-15, 1 on 12-31

South Trout Creek on 12-14, 1

South Trout Creek on 12-20, flock of 6

 

House Sparrow- F on 12-7

 

 

Bobcat-

Manitou Lake on 12-14, tracks

 

Striped Skunk-

Manitou Lake on 12-14, tracks

Joe LaFleur

Woodland Park, Teller County, 8500 feet

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