[cobirds] Colorado Rare Bird Alert, 7 December 2015

Compiler:   Joyce Takamine

e-mail:     RBA AT cobirds.org

Date:  December 7, 2015

This is the Rare Bird Alert, Monday, December 7, sponsored by Denver Field

Ornithologists and the Bird Conservancy of the Rockies.

Highlight species include: (* indicates new information on this species).

 

BRANT (Pueblo)

Trumpter Swan (Grand, Larimer, *Mesa, *Weld)

Tundra Swan (Arapahoe, Delta, Douglas, Jefferson, Garfield, Larimer)

Surf Scoter (Arapahoe, Douglas/Jefferson, Jefferson, Larimer)

White-winged Scoter (Boulder, Logan, Otero)

Black Scoter (Pueblo)

Long-tailed Duck (Logan, Pueblo, Sedgwick)

Barrow's Goldeneye (Arapahoe, Moffat, Routt)

Red-throated Loon (Arapahoe, Logan, Weld)

Pacific Loon (Boulder, Douglas, *Larimer)

Red-necked Grebe (Douglas,Jefferson, *Larimer)

Dunlin (*Larimer)

Thayer's Gull (*Adams,*Arapahoe,  Boulder, Larimer)

Lesser Black-backed Gull (*Adams, *Arapahoe, Boulder, El Paso,  Larimer, Pueblo, Weld)

Glaucous Gull (Arapahoe, Weld)

Great Black-backed Gull (*Douglas, Larimer, Pueblo)

SNOWY OWL (*Denver, Adams)

Greater Roadrunner (Larimer)

White-throated Swift (Pueblo)

Red-headed Woodpecker (Logan)

Red-bellied Woodpecker (Bent)

Black Phoebe (Mesa)

Eastern Phoebe (Weld)

Winter Wren (El Paso, Pueblo)

Varied Thrush (El Paso, *Grand)

Curve-billed Thrasher (Bent, Weld)

Lapland Longspur (*Denver)

Snow Bunting (*Denver)

Tennessee Warbler (Larimer)

Northern Parula (Weld)

Chestnut-sided Warbler (El Paso)

Canyon Towhee (Bent)

Field Sparrow (Logan)

Golden-crowned Sparrow (*Boulder)

Rusty Blackbird (Adams, Pueblo)

Brown-capped Rosy-Finch (*Boulder, San Juan)

Gray-crowned Rosy-Finch (El Paso, Larimer, San Juan, Weld)

PURPLE FINCH (Bent)

Common Redpoll (Larimer, Logan)

ADAMS COUNTY:

--A Lesser Black-backed Gull was reported by Ira Sanders at Barr Lake SP on November 28.  A Lesser Black-backed Gull was reported by Kevin Keirn at Barr Lake SP on Decenber 5.  On December 6, Scott Manwaring reported Lesser Black-backed Gull and Thayer's Gull at Barr Lake SP.

--2 f Rusty Blackbirds were reported by Norm Erthal below the dame at Barr Lake SP on November 30.  On December 1, Gregg Goodrich reported 2 f Rusty Blackbird at Barr Lake SP.

--A SNOWY OWL was reported by Bill Hutchinson and Jonnie Thompson somewhere in Adams County on December 5.

ARAPAHOE COUNTY:.

--On November 24, Glenn Walbek reported m Barrow's Goldeneye at Cherry Creek SP.

--On November 27, Gene Rutherford and Craig Rasmussen reported Glaucous Gull at Cherry Creek SP.

--On November 28, C Warneke reported 2 Surf Scoters at South Platte Reservoir on the Arapahoe/Jefferson County line.

--On November 28, Gene Rutherford reported 13 Tundra Swans at South Platte Reservoir in South Platte Park.

--On November 30, Karl Stetcher reported Red-throated Loon at Cherry Creek Reservoir seen from picnic tables S of the marina.

--On November 30, David Suddjian reported 3rd-cyc Lesser Black-backed Gull at Cooley Lake.

--On December 2, Bob Righter reported ad Lesser Black-backed Gull at Cherry Creek SP.

--On December 5, Scott Somershoe reported ad Lesser Black-backed Gull and Thayer's Gull at Cherry Creek SP.

BENT COUNTY:

--On November 16, Duane Nelson reported that he has had f-type PURPLE FINCH, m Red-bellied Woodpecker, Curve-billed Thrasher, and Canyon Towhees visit his feeders in Las Animas.  Birders are welcome if you notify Duane in advance at dnelson1 ATcenturytel.net  On November 19, Duane Nelson reported that the f-type PURPLE FINCH returned and the other birds continue.  

BOULDER COUNTY: 

--On November 24, Stephen Knox reported Golden-crowned Sparrow at Teller Farm.On November 27, Ted Floyd and Tracy Pheneger reported Golden-crowned Sparrow at Teller Farm.  On December 6, Jack B, holdne Maxfield, and Ryan Bushong reported Golden-crowned Sparrow at Teller Farm.

--On November 24, David Dowell reported breeding plumaged Pacific Loon and ad Thayer's Gull at Terry Lake.

--On November 27, Bill Kaempfer reported a winter plumaged Pacific Loon at Six Mile Reservoir.

--On November 28, Peter Gent reported a f-type White-winged Scoter at Baseline Reservoir.  On November 29, Tom Behnfield and Gregg Goodrich reported White-winged Scoter at Baseline Reservoir.

--An ad Lesser Black-backed Gull was reported by Peter Gent at Baseline reservoir seen from Cherryvale Road on December 2.

--Ted Floyd reported an ad Lesser Black-backed Gull at Waneka Lake on December 2.

--On December 6, Carl Starace reported 3 Brown-capped Rosy-Finch at Allenspark.

DELTA COUNTY:

--3 Tundra Swans were reported by Scott Jorgensen at Sweitzer Lake on December 2.

DENVER COUNTY:

--A SNOWY OWL was reported by Bill Hutchinson in Adams County on December 5, but he did not disclose the exact location so it could have been in Denver County.  In most of the reports of the DIA SNOWY OWL on eBird on December 6 appear to

be in Denver County.  The county lines near the airport are confusing.  The DIA SNOWY OWL was reported by Behnfield and many other birders on December 6.

--24 Lapland Longspurs were reported by Sam Fason on Gun Club Road S of E 112th Ave on December 6.

--A Snow Bunting was reported with Horned Larks by Scott Manwaring on the DIA Owl Loop on December 6.

DOUGLAS COUNTY:

--A juv plumaged Pacific Loon was reported by Glenn albek from the Handicapped Fisherman's pier on November 24.

--2 Red-necked Grebes were reported by Joey Kellner and Glenn Walbek from Marina Sandspit at Chatfield on November 28.

--19 Tundra Swans (11 ad, 8 juv) were reported by Gregg Goodrich and many others from Marina Sandspit at Chatfield on November 28.

--A Great Black-backed Gull was eported by Linda and Lee Farrell at the Marina at Chatfield SP on December 6.

DOUGLAS/JEFFERSON COUNTIES:

--2 f-type Surf Scoters were reported by David Suddjian at Chatfield SP on December 1.

--An ad Great Black-backed Gull was reported by Jesse Casias at Chatfiled SP on December 5.

EL PASO COUNTY:

--On November 21, David Chartier reported Winter Wren and 1-st winter F Chestnut-sided Warbler at Mile Marker 18 at Fountain Creek Regional Park.  On November 22, Gwen Moore reported Chestnut-sided at Warbler Fountain Creek RP.  On November 23, Christ Knight reported Chestnut-sided Warbler at Fountain Creek RP.  On November 24, dale and Joel Adams reported Chestnut-sided Warbler at Fountain Creek RP.

--On November 26, John Maynard reported Gray-cronwed Rosy-Finches at Red Rock Canyon Open Space in Colorado Springs.  Access the area from US 24 at Ridge Road.

--A Varied Thrush was reported by David Chartier and Bill Maynard at Fountain Creek RP on November 29.  It was by the beaver dam on the north end of Rice's Pond.

--A Winter Wren was reported by Bill Maynard at Fountain Creek RP on November 29.

--An ad Lesser Black-backed Gull was reported by Sam Fason at Big Johnson Reservoir on December 6.

GARFIELD COUNTY:

--A juv Tundra Swan was reported by Jackson Trappett at Rifle Gap Reservoir on November 28.

GRAND COUNTY:

--A Trumpeter Swan was reported by Carol Hunter at Lake Granby Dille Dock on November 30.

--A Varied Thrush has been visiting the yard of Cathy Craig in Granby since late November.  Cathy is willing to allow birders to come and try to see the thrush.  But she does not want anyone to come closer to the feeders than the block that she will place in the driveway.  Please contact her at PioneerCSC at aol.com for information.  On December 6, Carol Hunter and Cathy Craig reported that the Varied Thrush continues to come to the feeders.

JEFFERSON COUNTY:

--On November 14, Bill Kaempfer reported 2 Surf Scoters at South Platte Reservoir on the Jefferson County side.  On November 17, David Suddjian reported 2 f-type Surf Scoters at South Platte Reservoir.  On November 23, David Suddjian reported 2 f-type Surf Scoters at South Platte Reservoir.  On November 27 Dale Pate reported 2 Surf Scoters at South Platte Reservoir.  On November 30, David Suddjian reported 2 f-type Surf Scoters at South Platte Reservoir.

--On November 28, Tom Behnfield reported 2 Red-necked Grebes and 2 Tundra Swans from Swim Beach at Chatfield.

LARIMER COUNTY:

--On November 16, David Wade reported Surf Scoter and Dunlin at Timnath Reservoir.  On November 21, Austin Hess and Nick Komar reported Dunlin at Timnath Reservoir.  On November 22,  Brandon Nooner reported Dunlin at Timnath Reservoir.  On November 24, Irene Fortune reported Dunlin at Timnath Reservoir  

--A Tennessee Warbler was reported by Dave Leatherman at PERC (Plant Environmental Research Center in the SW corner of the CSU Campus on November 19 and was seen by David Wade.  On November 20, Nick Komar, Sean Walters, Irene Fortune, and Bobbie Tilmant reported Tennessee Warbler at PERC.  On November 21, Austin Hess reported Tennessee Warbler at PERC.  On November 22, Sean Walters, Jesse Casias, and Adam Vesely reported Tennessee Warbler at PERC.  On November 23, Ira Sanders and Dave Leatherman reported Tennessee Warbler at PERC.  On November 24, Brad Biggerstaff, Mark Chavez, Gwen Moore, and Lori Zabel reported Tennessee Warbler at PERC.  On November 25, Robert Beauchamp and Josh Bruening reported Tennessee Warbler at PERC.

--8 Trumpeter Swans were reported by Jeff Birek flying over Horsetooth Reservoir on November 22.

--A Tundra Swan was reported by Sean Walters at Douglas Reservoir on November 22.

--A Thayer's Gull was reported by Sean Walters at Horsetooth Reservoir on November 22.

--On November 22, Brandon Nooner reported Tundra Swan and Pacific Loon at Timnath Reservoir.

-- Greater Roadrunner was reported by Nick Komar and David Wade at Lory SP on November 23.

--Gray-crowned Rosy-Finches were reported by John Shenot at Livermore Community Church on November 27.  On November 28, Dave Leatherman reported 3+ Common Redpolls at Livermore Community Church.

--A Trumpeter Swan was reported by Andy Bankert and Tom Behnfield at Lon Haley Reservoir in Loveland on November 29.  Beware that duck hunters are present so the swan  may not be present.

--A Dunlin was reported by Irene Fortune at Lake Loveland on November 29.  On November 30, Nick Komar reported Dunlin at Lake Loveland.  Two Dunlin were reported by Nick Komar and Mark Chavez at Lake Loveland on December 1.  On December 3, Irene Fortune reported pair of Dunlin at Lake Loveland.  On December 4, 2 Dunlin were reported by Lori Zabel, Chris Goulart, and David Wade at Lake Loveland.  On December 5, Dave Leatherman reported 2 Dunlin in the NW corner of Lake Loveland.  On December 6, 1 Dunlin was reported by denise Bretting at Lake Loveland.

--A Trumpeter Swan was reported by Nick Komar at Boedecker Lake in Loveland on November 29.

--A f type Surf Scoter was reported by Nick Komar at Dry Creek Reservoir in Loveland on November 29.

--At Lake Loveland on December 1, Mark Chavez reported 1 Lesser Black-backed Gull and 1 Thayer's Gull.  On December 5, Dave Leatherman reported 1 ad Lesser Black-backed Gull.

--On December 5 at Boyd Lake, Nick Komar and Austin Hess reported 3 Lesser Black-backed Gulls and 1 juv Great Black-backed Gull.

--A Red-necked Grebe and Pacific Loon were reported by Andy Bankert at Rawhide Power Plant on December 6.

LOGAN COUNTY:

--A White-winged Scoter was reported by Kathy Mihm Dunning at North Sterling Reservoir on November 22.

--On November 23, Steve Mlodinow reported Red-headed Woodpecker at Red Lion SWA.

--A Field Sparrow was reported by Steve Mlodinow at Tamarack Ranch SWA on November 23.

--A Red-throated Loon was reported by Joey Kellner and Kathy Mihm Dunning at Prewitt Reservoir on November 29.

--A Long-tailed Duck and Common Redpoll was reported by Joey Kellner and Kathy Mihm Dunning at North Sterling Reservoir and SP on November 29.

MESA COUNTY:

--2 Trumpeter Swans were reported by Denise and Mark Vollmar at Whitewater ponds on November 25.  2 juv Trumpeter Swans were reported by Mike Henwood at Whitewater ponds on November 27.  Mike Henwood reported on November 28 that upon further review, The swans at Whitewater ponds are juv Tundra Swans.

--At Highline Lake SP on November 28, Mike Henwood and Rom Lambeth reported 5 ad Trumpeter Swans.  On November 29, Nic Korte reported 5 Trumpeter Swans at Highline Lake SP.  On December 4, Mike Henwood reported 10 Trumpeter Swans (9 ad, 1 juv) at Highline Lake SP.  On December 6, David Price reported 7 Trumpeter Swans at Highline Lake SP.

--On December 2, Mike Henwood reported Black Phoebe at Redlands Parkway Ponds.

OTERO COUNTY:

--A White-winged Scoter was reported by Stan Oswald at Holbrook Reservoir on December 2.

PUEBLO COUNTY:

--On November 24, Brandon Percival reported that a Great Black-backed Gull has returned to South Shore Marina at Pueblo Reservoir for the 22nd consecutive winter.

--2 Red-necked Grebes were reported by Brandon Percival at Pueblo Reservoir from North Plains CG on November 25.

--A f-type Black Scoter was reported by Brandon Percival at the cove south of South Shore Marina at Pueblo Reservoir on November 25.

--A Black BRANT was reported by Dave Silverman at Lake Beckwith in Colorado City on November 27.

--On December 2, Margie Joy reported seeing White-throated Swifts at Pueblo Reservoir.  On December 3,

Brandon Percival and Steve Mlodinow reported 17 White-throated Swifts over the Arkansas River and Valco Ponds #2 and #3.  This is the first state record of White-throated Swifts in December.   On December 5, Bill Kaempfer reported 3 White-throated Swifts at Valco Ponds SWA and Chris Gilbert reported 2 White-throated Swifts at Pueblo Reservoir. 

--On December 3, Brandon Percival reported 1 Rusty Blackbird and 1 Winter Wren east of Valco Ponds

--Brandon Percival reported a m Long-tailed Duck at Pueblo Reservoir off West Fishing Road on December 3.

--By the South Shore Marina tires, Steve Mlodinow reported 5 ad Lesser Black-backed Gulls and Brandon Percival reported that the Great Black-backed Gull continues.

ROUTT COUNTY:

--4 Tundra Swans were reported by Tom Litteral at Steamboat Lake Meadows Picnic Area on November 22.

--On November 22, Forrest Luke reported about 30 Barrow's Goldeneyes on the Yampa River near Craig Station inlet pond.

SAN JUAN COUNTY:

--On November 29 in Silverton, Riley Morris reported 100 Brown-capped Rosy-Finch, 22 Gray-crowned Rosy-Finch (including 7 Hepburn's).  

SEDGWICK COUNTY:

--A Long-tailed Duck was reported by Joey Kellner and Kathy Mihm Dunning at Jumbo Reservoir on November 29.

WELD COUNTY:

--An imm Red-throated Loon was reported by Steve Mlodinow at Union Reservoir on November 25.

--At Windsor Reservoir on December 1, Mark Chavez reported Glaucous Gull and Lesser Black-backed Gull.

--2 Curve-billed Thrashers were reported by Norm Nerthal at Raymer on Rd 116 on December 4.

--A Gray-crowned Rosy-Finch was reported by Lori Zabel at Sandstone Ranch on December 4.

--A Trumpeter Swan was reported by Jack B at Union Reservoir on December 6.

DFO Field Trips: 

The DFO Field Trip for Saturday, December 12 will be to Denver Botanic Gardens at Chatfield led by Lynn willcockson (Lynnliz2698 AT aol.com; 303-757-7000).  Direction:  On Deer Creek Rd west of S Wadsorth Blavd, south of C-470.  Meet leader at Entrance Gate at 0900.  Note what we have always called the Arboretum is now officially called the Denver Botanic Gardens at Chatfield.  Admission is free if you are a member, show prof of membership.  Otherwise, it is %5 per car.  (Good Encouragement to carpool)  Enjoy a leisurely walk to see what birds are out making a living in the unpredictable December environment.  Lunch optional.  Register online or contact leader.

The DFO Field Trip for Sunday, December 13 will be Cherry Creek Sp Wetlands Loop led by Karen von Saltza (kvonsaltza AT yahoo.com; 303-941-4881).  Directions:  Meet at 0900 at Prairie Loop lot in Cherry Creek SP.  From either park entrance, follow Lake View Rd to the Pairire Loop that is located at the south rim of the reservoir.  State Parks pass or day pass required. 

  This is a half-day of walking that passes through most of the important habitats found in the park, over a distance of about three miles.  Trails can be slippery so dress accordingly.  Bring water and snacks; lunch optional.  Beginning birders are welcome.  Register online or contact leader.

Good Birding,

Joyce Takamine

Boulder

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