Date: 4/13/17 3:27 am
From: Joyce Takamine <jabirujt...>
Subject: [cobirds] Colorado Rare Bird Alert, 13 April 2017
Compiler: Joyce Takamine
e-mail: RBA AT
Date: April 13, 2017
This is the Rare Bird Alert for Thursday, April 13 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) (Boulder)
Trumpeter Swan (Fremont)
Long-tailed Duck (*Weld)
Barrow’s Goldeneye (Eagle)
Chukar (Mesa)
Greater Sage-Grouse (Jackson)
Dusky Grouse (Gunnison, *Larimer)
Sharp-tailed Grouse (Logan, *Weld)
Red-necked Grebe (*Pueblo)
Greater Roadrunner (Baca)
Black-necked Stilt (Larimer)
Mountain Plover (Lincoln, Weld)
Short-billed Dowitcher (Saguache, Weld)
Mew Gull (Weld)
Thayer’s Gull (Larimer)
Lesser Black-backed Gull (Larimer, Weld)
Caspian Tern (Kiowa)
Neotropic Cormorant (Weld)
Broad-winged Hawk (*Prowers)
Acorn Woodpecker (Pueblo)
Williamson’s Sapsucker ( Gunnison, Pueblo)
Ladder-backed Woodpecker (Baca, El Paso)
Black Phoebe (*Boulder)
Eastern Phoebe (Baca, Douglas, *El Paso, *Jefferson)
White-eyed Vireo (Yuma)
Chihuahuan Raven (Baca, Crowley)
Curve-billed Thrasher (El Paso)
Bohemian Waxwing (*Jackson)
Lapland Longspur (Weld)
Chestnut-collared Longspur (El Paso, Lincoln, Weld)
McCown’s Longspur (Crowley, Lincoln, Weld)
Rufous-crowned Sparrow (Baca)
Brewer’s Sparrow (Mesa)
Sagebrush Sparrow (Mesa)
Savannah Sparrow (El Paso, Lincoln)
Fox Sparrow (Boulder,Gunnison)
Lincoln’s Sparrow (Adams, Douglas, Yuma)
Northern Cardinal (Yuma)
Rusty Blackbird (*Gunnison)

---On April 9 at Rocky Mountain Arsenal NWR Bluestem Loop Trail, Heather
and Riley Morris reported Lincoln’s Sparrow.

---On April 9 at Comanche National Grassland Little Washington Work Center,
Richard Sayles reported Greater Roadrunner, Ladder-backed Woodpekcer,
Eastern Phoebe, Chihuahuan Raven, and 2 Rufous-crowned Sparrows in
Cottonwood Canyon.

--- On April 7, Susan Rosine reported Black Phoebe at Boulder Creek and
75th St. On April 9, Peter Burke reported Black Phoebe at Boulder Creek
and 75th St. On April 11, Mike Hensley reported Black Phoebe at Boulder
Creek and 75th St.
---On April 7 at GreenLee Preserve in Lafayette, Ted Floyd reported
EASTERN MEADOWLARK. On April 8 at Waneka Lake/Greenlee Preserve, Glenn
Walbek reported Eastern Meadowlark.
---On April 9 at Boulder Reservoir, Ted Floyd reported Mallard (Mexican
---On April 11 at Skunk Canyon, David Dowell reported Slate-colored Fox
---On April 12 SW of Hygiene along Crane Hollow Rod at Bridge that crosses
creek between Hygiene and St Vrain Road, John Turenbeck reported 2 Black

---On April 8 at Lake Henry, Steve Mlodinow reported Chihuahuan Raven and 3
fly-over McCown’s Longspur.

---On April 5 at Chatfield SP upstream of Kingfisher Bridge, Doug Kibbe
reported 2 Eastern Phoebe. On April 8 at Chatfield SP, Gavin Bieber
reported 2 Eastern Phoebe nest building. On April 9 at Chatfield SP,
upstream of Kingfisher Bridge (east), Bez Bezuidenhout and Renee Casias
reported 2 Eastern Phoebe. On April 10 at Chatifled SP upstream of
Kingfisher Bridge (east), Phil Lyon, Time Ryan, and Diane Roberts
reported 2 Eastern Phoebe. On April 11 near Platte River Parking lot,
David Suddjian reported Eastern Phoebe.
---On April 8 at Bar CCC Park, Lynne Forrester reported 3 Lincoln’s

---On April 8 at Spring Park Reservoir, Dick Filby reported around 50
Barrow’s Goldeneyes.

---On April 7 on Birdsall Road, Scott Somershoe reported 2 Savannah
---On April 7 at Chico Basin Ranch (fee area), John Drummond reported
Eastern Phoebe.
---On April 7 at Squirrel Creek Road and Ellicott Hwy, Scott Somershoe
reported Chestnut-collared Longspur flyover.
---On April 7 on S Meridian Road from Hanover Road to Pueblo County Line,
Scott Somershoe reported Curve-billed Thrasher.
---On April 8 on Birdsall Road, Chris Brobin reported Ladder-backed
---On April 12 at Chico Basin Ranch (fee area) wooded areas, Ben Barkley
and Graham Montgomery reported Eastern Phoebe.

---On April 8, SeEtta Moss reported that a Trumpeter Swan was seen at the
closed Holcim Wetlands but was flushed and flew to a flooded agricultural
field in Florence.

--- On April 11 at Black Canyon of Gunnison NP, Gavin Bieber reported Dusky
Grouse and Slate-colored Fox Sparrow.
---On April 7 at Black Canyon of Gunnison NP South Rim Campground, Dave
Stejskal reported 3 Dusky Grouse, f Williamson’s Sapsucker fly by and 3
Slate-colored Fox Sparrows.
---On April 12 at Mt Crested Butte, Gavin Bieber reported Rusty Blackbird.
This would be a new county
Record if accepted.

---On April 11 near Walden on CR 26B, Matt Goldowitz reported 67 Greater
---On April 12 at State Forest SP on CR 40, Michael O’Brien reported 75
Bohemian Waxwings.
---On April 12 at The Cabins near Gould, Michael O’Brien reported 20
Bohemian Waxwings.

---On April 8 upstream from Kingfisher Bridge at Chatfield SP, Doug
Shoffner, Heather and Riley Morris
reported Eastern Phoebe. On April 11 at Chatfield near restroom near
Kingfisher Bridge, David Suddjian reported 1 Eastern Phoebe.
---On April 10 at Deer Creek near the South Valley Park southern Parking
Lot, David Suddjian reported Eastern Phoebe.
---On April 11 at Denver Botanic Gardens at Chatfield, Cynthia Madsen,
Jonelle Balais, and Mary Keithler reported 2 Eastern Phoebe.
---On April 11 at Chatfield Perimeter Road, David Suddjian reported Eastern
---On April 12 on Wheat Ridge Greenbelt, Kevin DeBoer reported Eastern
Phoebe at bridge west of I-70.

---On April 10 at Upper Queens/Neeskah Reservoir, Jill Smith reported
Caspian Tern.

---On April 10 at Boyd Lake SP, Craig Robson reported 4 Black-necked Stilt
and 2 Lesser Black-backed Gulls.
---On April 10 at Horseshoe Reservoir, Andy Bankert and Mike McCloy
reported 1-st cyc Thayer’s Gull and 4 Lesser Black-backed Gulls.
---On April 12 at Horsetooth Mountain Park in Fort Collins, Arvind Panjabi
reported Dusky Grouse.

---On April 8 near Arriba on CR 43, Tom Johnson reported 2 Mountain Plover,
15 Chestnut-collared Longspur, and 200 McCown’s Longspur. On April 9 near
Arriba on CR 3F E of CR 40, Mike McCloy reported 3 Mountain Plovers, 7
Chestnut-collared Longspurs, and 15 McCown’s Longspurs.

---On April 8 on CR 58 between CR 21 and CR 25, Bill Kaempfer reported a
fly-over Sharp-tailed Grouse.

---On April 7 on State Line, Mike Henwood reported 6 Sagebrush Sparrows.
---On April 7 at Colorado National Monument, Ellen and Jerry Horak reported
2 Chukar.
---On April 10 on 2 Rd near intersection with Bookcliff Ridge Road, Cameron
Cox reported 2 Brewer’s Sparrows.
---On April 11 at Cameo and Coal Canyon, Gavin Bieber reported 5 Chukar.

---On April 8, Jill White Smith photographed a BRONZED COWBIRD in her
backyard in Lamar. Jill has given permission for birders to try to see the
BRONZED COWBIRD in her yard. Her address is 1507 Sunset Place in Lamar.
She says that it is along a canal road. You can drive right beside her
---On April 12 in Lamar, Jane Stulp reported Broad-winged Hawk.

---On April 7 at Pueblo Mountain Park, Scott Somershoe reported Acorn
Woodpecker. On April 9, SeEtta Moss reported Acorn Woodpecker at Pueblo
Mountain Park.
---On April 12 at North Shore Marina of Pueblo Reservoir, Brandon Percival
reported bleeding plumaged Red-necked Grebe.

---On April 8 & 9 at Russell Lakes SWA, John Cobb reported Short-billed

---On April 7 at Murphy’s Pasture area, Simon Harvey reported 3
Chestnut-collared Longspurs and McCown’s Longspur.
---On April 4 at Firestone Gravel Pits, Steve Mlodinow reported Lesser
Black-backed Gull and imm Neotropic Cormerant.
---On April 5 at Union Reservoir, Steve Mlodinow reported Mew Gull.
---On April 7 at Stewart’s Pond, Jason St. Pierre and Riley Morris reported
Eurasian Wigeon. On April 8 at Stewart’s Pond, Christine Alexander and
many other birders reported Eurasian Wigeon. On April 9 at Stewart’s Pond,
Frank Farrell reported Eurasian Wigeon.
---On April 7 at Pawnee National Grassland, Stephan Lorenz reported 2
Mountain Plover and 3 Chestnut-collared Longspurs and McCown’s Longspur.
---On April 8 at CR 134 between Cr 111 and 115 Bill Kaempfer reported 19
Sharp-tailed Grouse.
---On April 8 west of Behren Reservoir, Christine Alexander reported 2
Short-billed Dowitchers.
---On April 11 on Poudre River Trail near 47th St and O St, Jean Olson
reported Long-tailed Duck. On April 12 on Poudre River Trail from N 59th
Ave to N 35th Ave, Ryan Graves reported 2 Long-tailed Ducks.
---On April 12 on CR 138 between CR 111 and Cr 113, Casey Weissburg
reported 2 Sharp-tailed Grouse
---On April 12 on Cr 135 east of Cr 99, Casey Weissburg reported
Sharp-tailed Grouse.

---On April 11 at Wray Fish Hatchery, Richard Sayles reported White-eyed
Vireo, 2 Lincoln’s Sparrows and Northern Cardinal.

Denver Field Ornithologists Field Trips
The DFO Field Trip for Saturday, April 15 will be to Chico Basin Ranch led
my Mark Amershek (mamershek AT; 303-329-8646). This trip is full

The DFO Field Trip for Saturday, April 15 will be to Cameron Pass for
Boreal Owls led by Francis Commercon and Paul Slingsby (siskinbyderailleur
At; 303-470-9130). This is a strenuous trip. Diredtions: Meet
at 2 pm. At SW corner of Moby Arena at CSU Campus, Fort Collins to Carpoll.
From Denver take I-25 north to Prospect Road, exit 268. West on Prospect
until Shields St, north on Shields to Elizabeth St. Turn right (east into
giant parking lot for Moby Arena. Will start at Moose Visitor Center for
maountain specialties. Then return to Cameron Pass and hike out to the
(pre-scouted) area where we will look for Boreal Owl after sunset. Will
eat dinner on the trail and keep an eye out for American Three-toed
Woodpecker. Will be snowshoeing for up to 6 miles with 200-500 ft
elevational gain. Will be hiking in the mountians at high elevation at
night. Bring your own dinner. Bring hand warmer and a healight with extra
batteries. Hats and glove are required, and warm drinks in thermoses are
suggested. Please bring your own showshoes. Register online or contact

The DFO Field trip for Sunday, April 16 will be to Canon City with Ira and
Tammy Sanders. This trip is full.
Good Birding,
Joyce Takamine

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