Date: 3/14/17 11:03 pm
From: Joe Roller <jroller9...>
Subject: [cobirds] Colorado Rare Bird Alert for Wednesday, March 15, 2017
Compiler: Joe Roller
e-mail: RBA AT
Date: March 15, 2017
This is the Rare Bird Alert for Wednesday, March 15, sponsored by Denver
Field Ornithologists and 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)
Tundra Swan (Pueblo)
Long-tailed Duck (Larimer)
Virginia Rail (Jefferson)
American Woodcock (Larimer)
Mew Gull (Larimer)
Thayer’s Gull (Larimer)
Lesser Black-backed Gull (Larimer, Pueblo)
Great Black-backed Gull (Larimer, Pueblo)
White-winged Dove (Boulder)
Williamson’s Sapsucker (Pueblo)
Carolina Wren (Arapahoe)
Lincoln‘s Sparrow (Denver)
Harris's Sparrow (Denver)

--On March 11 Luke Pheneger reported a Carolina Wren, heard near the Tower
Loop at the east end of the Cherry Creek SP dam.

--On March 13 Mark Miller reported pair of copulating White-winged Doves in
the Gunbarrel district of Boulder.

--On March 9 Cheryl Teuton re-found a Harris's Sparrow at Westerly Creek, first
reported by Jason Bidgood, in Westerly Creek Park. The bird moves about,
but has
been most loyal to the area near 23rd Ave and Beeler St. A Brown
Thrasher was also seen. Adam Vesely saw the Harris's Sparrow later in the
--On March 13 the Harris's Sparrow was reported by Ivan Mota.
--On March 5 Tueton had a Lincoln's Sparrow associating with a small flock
of juncos in the same area.

--On February 27 at Indian Tree Golf Course, Brandon Percival reported
BRANT. On February 28, Heidi Retherford reported BRANT at Indian Tree Golf
--On March 7 Tyler Stuart reported the BRANT at Indian Tree Golf Course.
--On March 9 at Bass Lake in the Wheat Ridge Greenbelt Walt Combs reported
2 Virginia Rails.

--On February 26 at Bobcat Ridge Cheryl Teuton and Dan Brooke reported
American Woodcock in the creek east of ranger’s house. The woodcock
was elusive
at times,
but seen by many. The most recent report was by Marier Hoerner on March
--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 13 Andy Bankert reported these gulls at Horseshoe Lake in
Loveland: a first-cycle Mew Gull, 14 Lesser Black-backed, a Thayer's, an
Iceland, and early Franklin's Gulls.

--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 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.

Denver Field Ornithologists Field Trips:

Westerly Creek Park
3/16/2017 4:00 PM - 7:30 PM
Leader: Chris Rurik <chrisrurik...> or 253-225-7104
Trail Difficulty: Easy
Directions: Park on the east side of Beeler Street between 25th Drive and
East 24th Place. From I-70 take Central Park Blvd south. Turn left on MLK
Drive, then right on Beeler Street. This is in the Stapleton neighborhood
of Denver.
Come take an evening ramble through Westerly Creek Park, another urban
hotspot that has been discovered in the last few years as a place with
great birds. We'll mosey around looking for early migrants (for the past
few years it has
hosted some of the state's earliest returning Cinnamon and Blue-winged
Teal) and residents. Expect a mix of waterfowl and land birds. Bring
binoculars, water, and snacks. Dress for the weather. Register online.

Chatfield State Park
3/18/2017 8:00 AM - 12:30 PM
Leader: Edmund J Holub <edmund.holub...> or 303-979-2194
Trail Difficulty: Easy
Directions: Meet at swim beach by entering west entrance of park off S
Wadsworth, 1.5 miles south of C-470. State Parks pass or day pass required.
Bring water, snacks, scope if you have one. Dress for the weather Looking
for waterfowl, raptors, resident birds. Parks pass required. Register

Golden Gate Canyon State Park
3/19/2017 8:00 AM - 1:00 PM
Leader: Chris Goulart <cgoulart001...> or 586-764-2126
Trail Difficulty: Moderate: Directions
Meet at Park-n-Ride on west side of Ward Road, just north of I-70. State
Parks pass or day pass required.
This trip is limited to the first 11 registrations.
Late winter romp in the mountains. We will walk several trails (as
available) and look for what late winter or early spring birds may be
active. Three-toed Woodpeckers, Mountain Bluebirds, and more.
Winter in the mountains can be slow or magical. Register online.

Good Birding,
Joe Roller, Denver

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