Date: 3/6/17 3:18 am
From: Joyce Takamine <jabirujt...>
Subject: [cobirds] Colorado Rare Bird Alert, 6 March 2017
Compiler: Joyce Takamine
e-mail: RBA AT cobirds.org
Date: March 6, 2017
This is the Rare Bird Alert for Monday, March 6 sponsored by Denver Field
Ornithologists and the Bird
Conservancy of the Rockies.

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

NOTE: The RBA is using the new AOU checklist and the order of families has
changed.

BRANT (Jefferson)
Swan spec (Boulder)
Trumpeter Swan (Douglas, Jefferson)
Tundra Swan (Boulder, Eagle, *Pueblo)
AMERICAN BLACK DUCK (Weld)
Long-tailed Duck (Larimer)
Sharp-tailed Grouse (*Larimer)
Red-necked Grebe (*Pueblo)
Greater Roadrunner (Baca)
American Woodcock (Larimer)
Thayer’s Gull (Adams, Larimer, Weld)
ICELAND GULL (Weld)
Lesser Black-backed Gull (Adams, Douglas, El Paso, Larimer, Pueblo, Weld)
Great Black-backed Gull (Larimer, *Pueblo)
Lewis’s Woodpecker (Las Animas)
ACORN WOODPECKER (*Pueblo)
Red-bellied Woodpecker (Baca)
Williamson’s Sapsucker (Boulder, *Pueblo)
Yellow-bellied Sapsucker (El Paso)
Ladder-backed Woodpecker (Baca)
Chihuahuan Raven (Baca)
Winter Wren (Baca, *El Paso)
Curve-billed Thrasher (Prowers, *Pueblo)
Gray-crowned Rosy-Finch ( Jefferson)
Brown-capped Rosy-Finch (Jefferson)
Red Fox Sparrow (El Paso)
Lincoln‘s Sparrow (Boulder)
Rusty Blackbird (*Arapahoe)
Great-tailed Grackle (*Weld)

ADAMS COUNTY:
---On March 2 at Rocky Mountain Arsenal at Lake Ladora, Candice Johnson
reported Lesser Black-backed Gull.

ARAPAOE COUNTY:
---On March 5 at Cherry Creek SP, Christine Alexander reported Rusty
Blackbird.

BACA COUNTY:
---On March 3 at Two Buttes Reservoir, Daniel Maynard reported Greater
Roadrunner and 2 Chihuahuan Ravens.
---On March 3 at Two Buttes SWA below dam, Daniel Maynard reported
Red-bellied Woodpecker, Ladder-backed Woodpecker, and Winter Wren.

BOULDER COUNTY:
---On February 26 at Cottonwood Marsh, Mark Miller reported 3 Tundra Swans
sleeping and a 4th swan flew in. The 4th swan is a bit of a mystery, It
may be a hybrid Trumpeter/Tundra. On February 28, Ted Floyd reported 3
Tundra Swans at Walden/Sawhill.
---On March 4 at Heil Valley Ranch, Wapiti Trail, Kathy Mihm Dunning
reported Williamson’s Sapsucker.

DOUGLAS COUNTY:
---On February 27 Brandon Percial reported Trumpeter Swan at Chatfield SP
on pond viewed from High Line Canal Trail, accessed from Titan Road. On
March 3, Gregg Goodrich and Ben Lagasse reported Trumpeter Swan in SE Pond
at Chatfield, best viewed from Highline Canal Trail on Rampart Range Rd.
On March 4, Joy and Leonard Lake reported Trumpeter Swan viewed from High
Line Canal Trail accessed from W Titan Road.

EAGLE COUNTY:
---On March 3 at Blue Lake in El Jebel, Lynne Hertzog reported 2 Tundra
Swans.

EL PASO COUNTY:
---On February 23 at Memorial Park and Prospect Lake in Colorado Springs,
Bill Maynard and Richard Bunn reported 2 Lesser Black-backed Gulls. On
February 26 at Memorial Park and Prospect Lake, Heidi Eaton, Leonard and
Joy Lake reported Lesser Black-backed Gull.
---On February 27 at Sinton Pond Open Space, Richard Taylor, David
Tonnessen, Brandon Percival, Kara Carragher and Richard Bunn reported Red
Fox Sparrow. On March 2 at Sinton Pond Open Space, David Tonnessen
reported Winter Wren and John Bruder reported Fox Sparrow. On March 4,
Chris Brobin reported Winter Wren at Sinton Pond Open Space. On March 5,
John Drummond reported Winter Wren at Sinton Pond Open Space.
---On March 3 at Sondermann Park in Colorado Springs, John Bruder reported
Yellow-bellied Sapsucker. On March 4 at Sondermann Park, David Tonnessen,
Aaron Driscoll, Richard Bunn, and Jan Albright reported Yellow-bellied
Sapsucker

JEFFERSON COUNTY:
---On February 26 at Chatfield gravel ponds, Phil Lyon reported Trumpeter
Swan.
---On February 27 at Indian Tree Golf Course, Brandon Percival reported
BRANT. On February 28, Heidi Retherford reported BRANT at Indian Tree Golf
Course. On March 3, Doug Shoffner reported BRANT at Indian Tree Golf
Course.
---On March 1 at Squaw Pass Road, Diane Roberts reported 120 Brown-capped
Rosy-Finches and 40 Gray-crowned Rosy-Finches.

LARIMER COUNTY:
---On February 26 at Bobcat Ridge, Cheryl Teuton and Dan Brooke reported
American woodcock in creek east of ranger’s house. On February 27 at
Bobcat Ridge, Brandon Percival reported American Woodcock. One February
28, Susan Rosine reported American Woodcock at Bobcat Ridge. On March 3,
Marier Hoerner reported American Woodcock at Bobcat Ridge.
--- On March 1 at Horseshoe reservoir, Andy Bankert reported 2 Thayer’s
Gulls, 13 Lesser Black-backed Gulls, and Great Black-backed Gull. On March
2 at Horseshoe Reservoir, Robert Beauchamp reported 2 Thayer’s Gulls and 7
Lesser Black-backed Gulls. On March 3 at Horseshoe Reservoir, David Wade
reported Thayer’s Gull, 8 Lesser Black-backed Gulls (3 imm, 5 ad) and Great
Black-backed Gull. On March 3 at Horsehsoe reservoir, Brandon Nooner
reported juv Thayer’s Gull, 7 Lesser Black-backed Gulls, and juv Great
Black-backed Gull.
---On March 3 at Lory State Park, Cheryl Teuton and Dan Brooke reported
Long-tailed Duck viewed from North Eltuck Bay. On March 4, Joe Mammoser
reported Long-tailed Duck at Lory State Park, North Eltuck Bay.
---On March 3 at Boyd Lake SP, David Wade reported Thayer’s Gull and Lesser
Black-backed Gull on the North end.
---On March 5 at Douglas Reservoir, David Wade reported Sharp-tailed Grouse.

LAS ANIMAS COUNTY:
---On March 1 at Lake Dorothy, Chuck Hundertmark reported 12 Lewis’s
Woodpeckers.

PUEBLO COUNTY:
---On February 28 at Pueblo Reservoir, Brandon Percival reported that the
Red-necked Grebe continues.
On March 5 at Pueblo Reservoir, Art Hudak and Mark Chavez reported
Red-necked Grebe and 2 Curve-billed Thrashers.
---On March 3, at Pueblo Reservoir, Brandon Percival reported Lesser
Black-backed Gull and ad Great Black-backed Gull. On March 5 at Pueblo
Reservoir South Marina, Heidi Eaton reported Great Black-backed Gull.
---On March 4, Christine Alexander and Renee Casias reported ACORN
WOODPECKER at Pueblo Mountain Park. On March 5 at Pueblo Mountain Park,
Kara Carragher, Art Hudak, and Mark Chavez reported ACORN WOODPECKER and
Williamson’s Sapsucker.
---On March 5 at Chico Basin Ranch (fee area), John Drummond reported 5
Tundra Swans.

WELD COUNTY:
---On February 25, Glenn Walbek reported AMERICAN BLACK DUCK at Woods Lake.
On February 25 at Woods Lake, Steve Mlodinow reported AMERICAN BLACK
DUCK, 2 ad Thayer’s Gulls, ad ICELAND GULL, Great-tailed Grackle. On
February 26 at Woods Lake, John Drummon reported AMERICAN BLACK DUCK at
Woods Lake. On March 4 at Woods Lake, Kara Carragher, Lisa Edwards, and
Tim Smart reported AMERICAN BLACK DUCK. On March 4, Frank Farrel, Matt
Clark, Susan Bonfiglio, and Gene Rutherford reported AMERICAN BLACK DUCK at
Woods Lake. On March 5 at Woods Lake, Joey Kellner and Adam Vesely
reported Great-tailed Grackles.
---On February 26 at Drake Lake, Gary Lefko reported 2 Great-tailed
Grackles.
---On March 4 at Angel Lake, Steve Mlodinow reported Great-tailed Grackle.
---On March 4 at Black Hollow Reservoir, Steve Mlodinow reported Thayer’s
Gull, ICELAND GULL, and 2 Lesser Black-backed Gulls.

Denver Field Ornithologists Field Trips:
The DFO Field Trip for Saturday, March 11 will be to Prospect Park (Wheat
Ridge Greenbelt) led by Jackie King (jackie.king AT ccd.edu;
720-381-3314). FromI-70 exit 267, take Kipling south about ¾ mile and turn
right (west) on 44th Avenue. Go one mile west. Look for the entrance to
Prospect Park on your left (South). Meet at 0830 just inside the park in
the lot right next to Prospect Lake.
This is a trip with easy walking and accessible for mobility impaired
individuals. Bring water and a snack; lunch option. Good trip for novice
birders and new members. Register online or contact leader.

The DFO Field Trip for Sunday, March 12 will be to Cherry Creek SP Wetlands
Loop led by Karen von Saltza (kvonsaltza AT yahoo.com; 303-941-4881). Meet
at 0800 at the Prairie Loop lot in Cherry Creek SP. From either park
entrance, follow Lake View Road to the Prairie Loop that is located at the
south rim of the reservoir. State Parks pass or day pass required.
Day Light Savings Time starts today. This half day of walking passes
through most of the important habitats found in the park over a distance of
about 3 miles. Trails could be slippery or muddy, so dress accordingly.
Bring water and snacks; lunch is optional. Register online or contact
leader.

Good Birding,
Joyce Takamine
Boulder

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