Date: 3/27/17 8:58 am
From: Joyce Takamine <jabirujt...>
Subject: [cobirds] Colorado Rare Bird Alert, 27 March 2017
Compiler: Joyce Takamine
e-mail: RBA AT
Date: March 27, 2017

This is the Rare Bird Alert for Monday, March 27 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

Eurasian Wigeon (*Weld)
Mallard (Mexican intergrade) (Douglas, Rio Grande)
Tundra Swan (*Weld)
Mountain Plover (Kit Carson)
Mew Gull (Larimer)
Thayer’s Gull (Larimer)
Lesser Black-backed Gull (*Larimer, *Montezuma,*Weld)
Great Black-backed Gull (Denver, *Larimer)
Williamson’s Sapsucker ( Jefferson, Pueblo)
Black Phoebe (*Boulder, Denver, *Fremont, Mesa)
Eastern Phoebe (*Adams, Douglas, Fremont)
Winter Wren (El Paso)
Carolina Wren (Pueblo)
Bewick’s Wren (Moffat)
Lapland Longspur (Weld)
Chestnut-collared Longspur (*Kiowa)
Savannah Sparrow (Mesa, Montrose, Saguache)
Fox Sparrow (El Paso, Routt)
Lincoln’s Sparrow (Adams, *Boulder, Larimer, Montrose, *Otero, *Weld)
Great-tailed Grackle ( Jefferson, Larimer, *Weld)

---On March 21 at Barr Lake SP below the dam, Norm Lewis reported Lincoln’s
---On March 25 at East Lake Shores Park, Riley Morris reported Lincoln’s
---On March26 at Barr Lake SP, Will Sebern reported Eastern Phoebe.

---On March 22 at Boulder Creek and 75th St., Jonathan Montgomery reported
Black Phoebe. On March 24 at Boulder Creek and 75th St., Christian Nunes
and Jeff Parks reported Black Phoebe. On March 25 at Boulder Creek and
75th St, David Dowell, Luke and Tracy Pheneger, Ted Floyd, Adam Vesely,
Steve Frye, and David Waltman reported Black Phoebe. On March 26 at
Boulder Creek and 75th St, Mark Minner-lee and Willem van vliet- reported
Black Phoebe. On March 26 at Walden/Sawhill Ponds, Christian Nunes
reported Black Phoebe at NW corner of waste water treatment plant and
Lincoln’s Sparrow.

---On March 24 at Marston Reservoir, west end, Doug Kibbe reported imm
Great Black-backed Gull.
---On March 25 at First Creek at DEN Open Space, Cynthia Madsen and David
Hill reported Black Phoebe at First Creek about 100 yards N of 56h Ave

---On March 21 on Cherry Creek Tail – south end to Walker Road Gravel Pond,
Hugh Kingery reported Eastern Phoebe. On March 22, Kingery reported
Eastern Phoebe singing is same spot. On March 25 on Cherry Creek trail S
end to Walker Rd Gravel Pond, Cheryl Teuton, Hugh Kingery, and Glenn Walbek
reported Eastern Phoebe.
---On March 21 at Parker Regional Park, Marier Hoerner reported possible
Mallard/Mexican intergrade and possible EASTERN MEADOWLARK.
---On March 25 at Chatfield SP, Gregg Goodrich reported that the DFO Field
Trip has an Eastern Phoebe on the SE side of Kingfisher Bridge.

---On March 20 at Sinton Pond Open Space, David Tonnessen reported Winter
Wren. On March 23 at Sinton Pond Open Space, David Tonnessen reported
Winter Wren and Fox Sparrow (Red). On March 23, Chris Bronbin reported
Winter Wren at Sinton Pond. On March 24 at Sinton Pond Open Space, Glenn
Walbek and Mark Peterson reported Fox Sparrow (Red).

---On March 22 in Canon City, Dan Stringer reported Black and Eastern
Phoebe. On March 23, SeEtta Moss reported a pair of Black Phoebes between
Sell’s Lake and Arkansas River and Eastern Phoebe in
Canon City. On March 25, SeEtta Moss reported a pair of Black Phoebes near
MacKenzie Ave. bridge in
Canon City.

---On March 21 at Reynolds Park – Elkhorn, Chris Wood reported Williamson’s
---On March 21 at Reynolds Park Eagles View Trail 1, Chris Wood reported
calling Williamson’s Sapsucker.
---On March 25 at Harriman Lake Park, Chris Brown reported Great-tailed

---On March 26 at Neenoshe Reservoir (only southern pool), Tony Leukering
reported lots of waterfowl and 70 Chestnut-collared Longspurs and 110
longspur species.

---On March 20 on CR 58 between CR N and CR P, Glenn Walbek reported 2
Mountain Plovers.

---On March 13 at Horseshoe Reservoir in Loveland, Andy Bankert reported a
1st cyc Mew Gull, 14 Lesser Black-backed Gulls, Thayer’s Gull, ICELAND
GULL, and early Franklin’s Gulls. On March 19 at Horseshoe Reservoir, Nick
Komar reported Mew Gull and 9 Lesser Black-backed Gulls. On March 23, Nick
Komar and David Wade reported Mew Gull and 10 Lesser Black-backed Gulls (4
ad, 2 2nd-cyc, 4 1-st cyc). On March 26 at Horseshoe Reservoir, Nick Komar
reported 8 Lesser Black-backed Gulls (4 ad, 4 imm) and 1-st cyc Great
Black-backed Gull.
---On March 25 at Wellington SWA Cobb Lake Unit, Andy Bankert and Mike
McCloy reported 2 Linoln’s Sparrows and 23 Great-tailed Grackles.

---On March 22 on L Road between 20 – 21 Roads, Mike Henwood and Kathleen
McGinley reported Savannah Sparrow.
---On March 24 at Clifton Nature Park, Brett Walker reported Black Phoebe.

---On March 22 on CR 134, Blue Mountain, Jan Leonard reported a singing
Bewick’s Wren.

---On March 26 at Totten Reservoir, Jim Beatty reported ad Lesser
Black-backed Gull.

---On March 23 west of Nucla, Coen Dexter reported Lincoln’s Sparrow and 9
Savannah Sparrows.

---On March 26 at CR 28, north of CR FF, Bill Kaempfer reported Lincoln’s

---On March 25 on Arkansas River Trail east of Pueblo Blvd, Brandon
Percival and Kara Carragher reported singing Carolina Wren.

---On March 25 at Monte Vista NWR, Brandon Percival and Kara Carragher
reported Mallard (Mexican intergrade).

---On March 22 on Yampa River Core Trail, Tresa Moulton reported 4
Slate-colored Fox Sparrows between the river and the Core Trail near
Emerald Park ball field.

---On March 25 at Russell Lakes SWA, Peter Burke and Kara Carragher
reported Savannah Sparrow.

---On March 14, Mlodinow reported an Eurasian Wigeon and Tundra Swan at
Stewart’s Pond (Private Property) at CR 37 and CR 46. On March 24 at
Stewart’s Pond, CSU Ornithologist Club, Cheri Phillips, Chery Teuton, and
Brandon Nooner reported Tundra Swan and Eurasian Wigeon. On March 25 at
Stewart’s Pond, the Tundra Swan was reported by Nick Komar, David Wade,
Austin Hess, Wendy Wibbens, Alison Hixon, Sue Riffe, and Steve Mlodinow.
On March 26, at Stewart’s Pond, Marie Hoerner reported Eurasian Wigeon;
Rebecca Grieser reported Tundra Swan; and Ryan Graves reported both Tundra
Swan and Eurasian Wigeon.
---On March 26 at wetland on CR 46, Emil Yappert reported Tundra Swan.
---On March 26 at Lower Latham Reservoir, Cheri Phillips reported Lincoln’s
Sparrow and 6 Great-tailed Grackles.
---On March 26 at Union Reservoir, Steve Mlodinow reported Lesser
Black-backed Gull.

Denver Field Ornithologists Field Trips
The DFO Field Trip for Tuesday, March 28 will be to Chatfield SP led by
David Suddjian (dsuddjian AT; 831-713-8659) Meet at 0700 for
car-pooling at the intersection of S Wadsworth and Deer Creek Rd. Park on
the north side of Deer Creek Rd, which is just south of C-470. State Parks
pass or day pass required. Explore park and perhaps other nearby locations
for early migrants, waterfowl, resident birds, and any raptors zooming by.
Bring lunch, water, and scopes. Register online or contact leader.

The DFO Field Trip for Saturday, April 1 will be to Denver City Park led by
Patrick O-Driscoll (patodrisk AT; 303-885-6955). Meet at 0730 at
parking strip SE of 22nd Ave just north of Ferril Lake. From Colorado
Blvd, turn west onto 22nd Ave and go past the Museum of Nature and
Science. Turn left just before the zoo at the sign to the Pavilion
Bandstand. Park on the left at the end of the parking area closest to
Ferril Lake. Will focus on observation and photography of nesting
cormorants, herons, and egrets in Ferril and Duck Lakes as part of DFO’s
Colonial Waterbird Nesting Project. Bring Spotting scope and camera if you
have them. Night-herons and egrest (Ferril Lake) may be building nests,
and cormorants (Duck Lake) will be into their nesting cycle. Bring water,
snacks, and sunscreen. Register online or contact leader.

The DFO Field Trip for Sunday, April 2 will be to South Platte Park led by
Gregg Goodrich (GreggGoodrich AT; 303-665-9135). Meet at 0800 at
south end of South Platte Park near C-470. From C-470 take Platte canyon
Rd/South Platte Park exit. From Platte canyon Rd at Depew Street turn
southeast onto the entrance road for South Platte Park. Contuse past a
90-degree left turn and the first parking lot, and meet in the second
parking lot.
Will walk up the south Platte for about two miles. Register online or
contact leader.

The March meeting of Denver Field Ornithologists will be on March 27 at
7:30 p..m. in Ricketson Auditorium of the Denver Museum of Nature and
Science. Park on the north side of the Museum and enter at the north side
security/employee entrance and tell the guard that you are there for the
DFO Meeting. Dave Leatherman will give a talk on “What The Book, Personal
Observation and WIkileaks Say About The Fox Squirrel in Northern Colorado”

Good Birding,
Joyce Takamine

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