Date: 5/6/18 3:03 am
From: Joyce Takamine <jabirujt...>
Subject: [cobirds] Colorado Rare Bird Alert, 6 May 2018
Compiler: Joyce Takamine
Date: May 6, 2018
e-mail: RBA AT cobirds.org

This is the Rare Bird Alert for Sunday, May 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 now using the new AOU checklist and the order of families
has changed.
Snow Goose (Arapahoe, *Mesa)
Greater White-fronted Goose (Rio Grande)
Northern Bobwhite (*Baca)
Greater Prairie Chicken (Yuma)
Greater Roadrunner (*Las Animas)
Common Nighthawk (*Weld)
Common Poorwill (*Kiowa, *Las Animas)
Chimney Swift (*Prowers)
White-throated Swift (Pueblo)
Ruby-throated Hummingbird (*Baca)
Virginia Rail (Chaffee)
Sora (Jackson)
Sandhill Crane (*Montezuma)
Black-necked Stilt (*Montezuma)
Snowy Plover (Alamosa, *Kiowa)
Mountain Plover (Lincoln)
Upland Sandpiper (Lincoln)
Whimbrel (Jefferson, *Kiowa)
Semipalmated Plover (*Kiowa, La Plata)
Long-billed Curlew (*Kiowa)
HUDSONIAN GODWIT (*Kiowa)
Marbled Godwit (Gunnison, *Kiowa, La Plata, Mesa)
Stilt Sandpiper (*Kiowa)
Sanderling (*Kiowa)
Least Sandpiper (Kit Carson)
White-rumped Sandpiper (*Kiowa)
Solitary Sandpiper (Boulder, La Plata, *Mesa, Pueblo, *San Miguel)
Pectoral Sandpiper (*Kit Carson)
Semipalmated Sandpiper (*Boulder, Jefferson, *Kiowa, Kit Carson)
Western Sandpiper (La Plata, Mesa)
Long-billed Dowitcher (*Boulder, La Plata, Weld)
Willet (Gunnison, Jackson, La Plata, Weld)
Wilson’s Phalarope (Kit Carson, La Plata)
Red-necked Phalarope (Jefferson)
Caspian Tern (Kiowa)
Forster’s Tern (Adams, Lincoln)
Pacific Loon (*Jefferson)
Neotropic Cormorant (*Kiowa)
American White Pelican (Douglas)
American Bittern (*Adams)
Great Egret (*Denver)
Snowy Egret (Dolores, Montezuma)
Little Blue Heron (Mesa)
Cattle Egret (Dolores ,Jefferson, Mesa, Montrose, San Miguel)
Green Heron (*Baca)
Glossy Ibis (Fremont, *La Plata, Yuma)
White-faced Ibis (La Plata, Mesa, Weld)
Turkey Vulture (Douglas)
Northern Goshawk (Larimer)
Broad-winged Hawk (*Baca, Mesa, Washington)
Acorn Woodpecker (La Plata)
Red-bellied Woodpecker (Bent, Kit Carson)
Red-naped Sapsucker (*Gunnison, *Pitkin)
Ladder-backed Woodpecker (*El Paso, *Las Animas)
Western Wood-Pewee (Baca)
Least Flycatcher (*Baca)
Gray Flycatcher (Gunnison, Kit Carson, *Las Animas)
Dusky Flycatcher (La Plata, Montrose)
Cordilleran Flycatcher (*El Paso, *Pitkin)
Black Phoebe (*Larimer, *Ouray)
Eastern Phoebe (*Baca, *Boulder, Jefferson)
Ash-throated Flycatcher (Adams, *Baca, *El Paso, Larimer)
Cassin’s Kingbird (Douglas, *Jefferson, *Larimer, *Las Animas, Pueblo)
Scissor-tailed Flycatcher (*Baca, Weld)
White-eyed Vireo (Boulder)
Cassin’s Vireo (*Baca, Bent, Boulder, Jefferson)
Red-eyed Vireo (Kiowa, *Prowers)
Gray Vireo (*Las Animas)
Chihuahuan Raven (*Baca, El Paso)
Common Raven (Lincoln)
Violet-green Swallow (Jefferson, Weld)
Northern Rough-winged Swallow (Moffat)
Bank Swallow (Gunnison)
Cliff Swallow (Moffat)
Juniper Titmouse (*El Paso)
Marsh Wren (Gunnison)
Bewick’s Wren (*Baca)
Blue-gray Gnatcatcher (*Baca, Kit Carson, Prowers, *Weld)
Eastern Bluebird (El Paso, Jefferson)
Mountain Bluebird (*Adams, Lincoln)
Swainson’s Thrush (*Prowers)
Hermit Thrush (El Paso, Gunnison)
Gray Catbird (*Prowers)
Curve-billed Thrasher (*El Paso, Pueblo)
Brown Thrasher (Kiowa)
Northern Mockingbird (Kiowa)
American Pipit (Kiowa)
Gray-crowned Rosy-Finch (Gunnison)
Brown-capped Rosy-Finch (*Gunnison)
Red Crossbill (Prowers, *Las Animas)
Green-tailed Towhee (*Pitkin, *Weld)
EASTERN TOWHEE (Sedgwick, Yuma)
Rufous-crowned Sparrow (*Las Animas)
Canyon Towhee (*Baca, *Las Animas)
Chipping Sparrow (Logan, Montezuma)
Lark Sparrow (El Paso)
Black-throated Sparrow (*Las Animas)
Field Sparrow (Bent)
Sagebrush Sparrow (Boulder)
Fox Sparrow (*Gunnison)
White-throated Sparrow (Prowers)
Harris’s Sparrow (*Boulder, Denver, Kiowa)
Bullock’s Oriole (Bent)
Brown-headed Cowbird (Kit Carson, Yuma)
Northern Waterthrush (El Paso)
Black-and-white Warbler (Arapahoe)
Tennessee Warbler (Kit Carson)
Orange-crowned Warbler (*Ouray, *Pitkin, Summit, *Weld)
Nashville Warbler (*Prowers)
Virginia’s Warbler (*Ouray)
American Redstart (Larimer)
Northern Parula (Kiowa, Prowers)
Blackpoll Warbler (*Boulder)
Black-throated Blue Warbler (Kiowa)
Grace’s Warbler (Jefferson)
Palm Warbler (*Kiowa, Weld)
Yellow-throated Warbler (*Pueblo)
Townsend’s Warbler (Boulder)
Wilson’s Warbler (La Plata)
Summer Tanager (*Las Animas, Prowers)
Scarlet Tanager (*Prowers)
Northern Cardinal (Boulder, *Prowers)
Rose-breasted Grosbeak (Adams, *Denver)
Indigo Bunting (*Adams)
DIckcissel (*Prowers)

ADAMS COUNTY:
---On May 4 at Rocky Mountain Arsenal NWR First Creek, John Breitsch,
Rebecca Laroche, and Adam Vesely reported m Rose-breasted Grosbeak.
---On May 4 at Rocky Mountain Arsenal NWR Bluestem Loop Trail, Rebecca
Laroche and Patrick O’Driscoll reported Ash-throated Flycatcher.
---On May 5 at Barr Lake SP Bird Conservancy of Rockies Office Area and
below dam, Bill Schreitz, Mary O’Connor, and Rebecca Laroche reported pair
of Indigo Bunting, and American Bittern.
---On May 5 at Rocky Mountain Arsenal NWR Prairie Trail, Eric Dinkel
reported Mountain Bluebird.

ALAMOSA COUNTY:
---On May 3 at Blanca Wetlands NWR, Ricky Martinez reported 8 Snowy Plovers.

ARAPAHOE COUNTY:
---On May 4 at Lee Gulch Trail at Ashbaugh Park in Littleton, David
Suddjian reported m Black-and-white Warbler.

BACA COUNTY:
--On May 4 in Campo (town), Tony Leukering reported Western Wood-Pewee.
---On May 5 at Two Buttes Reservoir, Brandon Percival reported m
Ruby-throated Hummingbird and Cassin’s Vireo.
---On May 5 in Campo (town), Christine Alexander and Steve Rash reported
Nothern Bobwhite, Broad-winged Hawk, 5 Chichuhuan Raven and Scissor-tailed
Flycatcher at intersection of CR Jand CR 32.
---On May 5 at Two Buttes SWA, Joey Kellner et al reported Green Heron,
Cassin’s Vireo, Least Flycatcher, 2 Eastern Phoebe.
---On May 5 at Carrizo Canyon Picnic Area, Lorraine Lanning reported
Ash-throated Flycatcher, Chihuahuan Rave, Bewick’s Wren, 2 Blue-gray
Gnatcatcher and Canyon Towhee.

BOULDER COUNTY:
---On May 4 at Golden Ponds Park, Scott Severs reported Eastern Phoebe. On
May 5 at Golden Ponds Park, Sarah Spotten reported Eastern Phoebe.
---On May 2 at CU Boulder East Campus, David Dowell, Mark Minner-lee, John
Malenich, and Bill Kaempfer reported Townsend’s Warbler.
---On May 1 at Lagerman Reservoir, Scott Severs reported 45 Willets.
---On May 2 at Walden/Sawhill Ponds, Ted Floyd reported 8 Solitary
Sandpipers and Blackpoll Warbler. On May 3 at Walden/Sawhill Ponds, Linda
Lee reported 2 Cassin’s Vireos. On May 5 at Walden/Sawhill Ponds, Luke and
Tracy Pheneger reported Harris’s Sparrow near juniper hedgerow behind Ricky
Weiser wetlands; Megan Jones and Mike Patterson reported Blackpoll Warbler,
4 Semipalmated Sandpiper, and 2 Long-billed Dowitchers.
---On May 3 in Boulder on 16th St between Kalmia Ave and Jennine Court, Bob
Fiehweg reported Northern Cardinal and Luke Pheneger reported hearing
Northern Cardinal on Kalmia.
---On May 4 at Green Mountain Cemetery, Nathan Pieplow reported White-eyed
Vireo
---On May 5 at Boulder Creek at 75th Mike Paterson and Megan Jones reported
Eastern Phoebe.

DENVER COUNTY:
---On May 4 at First creek at DEN OS, Eric DeFonso and John Breitsch
reported Harris’s Sparrow. On May 5 at First Creek at DEN OS, John
Breitsch reported Rose-breasted Grosbeak.
---On May 2 at Rocky Mountain Lake Park, Mark Obmaschik and Gabriel Wiltse
reported Great Egret. On May 3 at Rocky Mountain Lake Park, Jake Shorty
reported Great Egret. On May 5 at Rocky Mountain Lake Park, Jason Bidgood
reported Great Egret.
---On May 2 at Bluff Lake Nature Center, Doug Kibbe and Elaine Wagner
reported Great Egret.

DOLORES COUNTY:
---On May 2 at Alkali Draw, Glenn Dunmire reported Snowy Egret and Cattle
Egret.

DOUGLAS COUNTY:
---On May 4 at Castlewood Canyon Rd—Lake Gulch Road to Castlewood Canyon
SP, Gloria Nikolai reported Cassin’s Kingbird.

EL PASO COUNTY:
---On May 2 at Chico Basin Ranch, Ken Burton reported Ash-throated
Flycatcher and banded 2 Hermit Thrush. On May 3 at Chico Basin Ranch, Ken
Burton recaptured Hermit Thrush banded on May 2. On May 4 at Chico Basin
Ranch, Ken Burton banded 1 new and 1 recapture Hermit Thrush. On May 5 at
Chico Basin Ranch, Ken Burton reported Ladder-backed Woodpecker and banded
Ash-throated Flycatcher; Joy and Leonard Lake reported Curve-billed
Thrasher; Jim Merritt and Chris Brobin reported Curve-billed Thrasher, 2
Ladder-backed Woodpeckers and Ash-throated Flycatcher.
---On May 3 at Clear Spring Ranch, Steve Brown banded Northern
Waterthrush. On May 4 at Clear Spring Ranch, Terence Berger reported m
Eastern Bluebird and Chihuahuan Raven.
---On May 5 at Aiken Canyon Preserve, Deborah Barnes reported 2 Cordilleran
Flycatcher, Ash-throated Flycatcher and Juniper Titmouse.

GUNNISON COUNTY:
---On May 3 at McCabe’s Line Wetland, Nick Niezgoda reported Willet. On
May 4 at McCabe’s Wetland, Marcel Such reported 3 Marsh Wren, Hermit
Thrush, and Bank Swallow.
---On May 3 a Gunnison Whitewater Park, Arden Anderson reported 10
Gray-crowned Rosy-Finch, and 150 Brown-capped Rosy-Finch.
---On May 3 at Blue Mesa Reservoir Hwy 149 Bridge, Arden Anderson reported
Marble Godwit.
---On May 3 at Waunita Hot Springs Lek, Caleb Strand reported Gray
Flycatcher.
---On May 5 on FR 317 (38.9625566,-106.9930172), Billy Barr reported
Red-naped Sapsucker, 6 Fox Sparrow, and 3 Brown-capped Rosy-Finch.

JEFFERSON COUNTY:
---On May 2 at North Arvada Middle School, Cathy Fennelly reported 14
Cattle Egret.
---On May 3 at Main Reservoir, Matt Clark reported Semipalmated Sandpiper.
On May 4 at Main Reservoir, Myron Gerhard reported Cassin’s Vireo.
---On May 3 at Wheat Ridge Greenbelt, Kevin DeBoer reported Red-necked
Phalarope.
---On May 3 at Bear Creek Greenbelt between Wadsworth and Estes, Doug Ward
reported m Eastern Bluebird.
---On May 4 at North Standley Lake SO Park, Penny Martinez and Shannon Cwik
reported 6 Whimbrel in the parking lot.
---On May 5 at Standley Lake and Park, David Chernack reported Pacific Loon.
---On May 5 at Harriman Lake Park, DuWayne Worthington reported Cassin’s
Kingbird.

KIOWA COUNTY:
---On May 2 at Upper Queens/Neeskah Reservoir, Jane Stulp, Janeal Thompson,
and Dave Leatherman reported 2 Long-billed Curlew, Caspian Tern, Brown
Thrasher, and Northern Mockingbird. On May 4 at Upper Queens/Neeskah
Reservoir, Steve Rash reported Neotropic Cormorant, 5 Snowy Plovers,
Whimbrel, and 2 Long-billed Curlews. On May 5 at Upper Queens/Neeskah
Reservoir, Joel and Dale Adams reported 2 Snowy Plovers, 3 Stilt Sandpiper,
Common Poorwill, and Palm Warbler; Brandon Percival reported Stilt
Sandpiper, 2 Sanderling, and White-rumped Sandpiper; Joel and Dale Adams
reported Neotropic Cormorant.
---On May 3 at intersection or CR C and CR 47, Lindsay Purifoy and Tim
Mitzen reported Red-eyed Vireo and Palm Warbler.
---On May 3 at Neenoshe Reservoir, Lindsay Purifoy and Tim Mitzen reported
m Black-throated Blue Warbler, Northern Parula, and Harris’s Sparrow. On
May 5 at Neenoshe Reservoir, Dale and Joel Adams, Joey Kellner et al
reported 8 Snowy Plover, 3 Stilt Sandpipers, 3 Sanderling, White-rumped
Sandpiper; John Drummond repored Neotropic Cormorant and 2 White-rumped
Sandpipers.
---On May 5 on S shore of Neenoshe Reservoir, Bill Fink reported HUDSONIAN
GODWIT, 2 Marbled Godwits, Snowy Plover, Semipalmated Plover and
Semipalmated Sandpipers. He turned on CR E from US 287, then north to
reservoir.

KIT CARSON COUNTY:
---On May 4 at Flagler Reservoir SWA, Renee Casias reported Tennessee
Warbler, Pectoral Sandpiper and Red-bellied Woodpecker.

LA PLATA COUNTY:
---On May 2 at Pastorius Reservoir, Susan Allerton, Jason St Pierre, and
Ryan Votta reported 27 Willets, 27 Marbled Godwits, 27 Wilson’s Phalaropes,
26 Long-billed Dowitchers, 21 Western Sandpipers, Semipalmated Plover,
Solitary Sandpiper, 6 White-faced Ibis, Wilson’s Warbler, and Dusky
Flycatcher. On May 5 at Pastorius Reservoir, Susan Allerton, Katy Shirley,
and Kristi Streiffert reported Glossy Ibis.

LAS ANIMAS COUNTY:
---On May 5 at Alejandro Canyon, Steve Mlodinow and Tony Leukering reported
4 Greater Roadrunners, 2 Common Poorwill, 5 Gray Flycatchers, 4 Cassin’s
Kingbirds, Gray Vireo, Black-throated Sparrow, 210 Canyon towhee, 5
Rufous-crowned Sparrows, and 2 pair of Summer Tanagers.
---On May 5 at Pugatoir River W of Alejandro Canyon, Steve Mlodinow and
Tony Leukering reported 5 Greater Roadrunners, 4 Ladder-backed Woodpeckers,
Gray Vireo, Rufous-crowned Sparrow, 2 Summer Tanagers, 3 Red Crossbills, 4
Red Crossbills (Western Hemlock or type 3).

LARIMER COUNTY:
---On May 2 at Arapahoe Bend NA – Rigden Reservoir (Strauss Cabin Lake),
Walter Wehtje reported Ash-throated Flycatcher.
---On May 3 at River’s Edge NA, Caroline Olson reported young male American
Redstart.
---On May 5 a Lake Estes, Gloria Nikolai and Scott Rashid reported Black
Phoebe.
---On May 5 at CR 5 from CR 82 to CR 92, Nick Komar reported Cassin’s
Kingbird.

LINCOLN COUNTY:
---On May 2 at Karval Lake SWA, Todd Deininger and John Vanderpoel reported
Forster’s Tern and 2 Common Raven.
---On May 3 at 42000 CR 109 S of Hugo, Andrew Judd reported Mountain
Bluebird.
---On May 4 on CR 3F near CR 431, Donnie Coody and Shelby Birch reported 2
Mountain Plover and Upland Sandpiper.

MESA COUNTY:
---On May 2 at James M Robb Colorado River SP Pear Park Section, Drew
Kelley reported Little Blue Heron. On May 3 at James M Robb Colorado River
SP Pear Park Section Connee Moffatt reported Little Blue Heron, 4
Black-necked Stilts, and 20 Western Sandpipers. On May 4 at James M Robb
Colorado River SP Pear Park Section, Connee Moffat and Mike Henson reported
Little Blue Heron; Henwood also reported Solitary Sandpiper.
---On May 2 at Highline Lake SP, David Price, Brenda Sabo, and Calib Strand
reported Cattle Egret and 2 Common Tern.
---On May 4 at Redlands Parkway Ponds, Diane Trappett reported 2 Solitary
Sandpipers.
---On May 2 in Loma at 12 Rd from O ½ to P Road, Mike Henwood reported
Cattle Egret.
---On May 2 at Grand Valley Audubon Nature Center, Caleb Strand reported
Broad-winged Hawk.
---On May 2 at Ela Wildlife Sanctuary, Caleb Strand reported Solitary
Sandpiper. On May 3 at Ela Wildlife Sanctuary, Drew Kelly and Ronda
Woodward reported Solitary Sandpiper.
---On May 5 at Leatha Jean Stassen SWA, Ron Lambeth reported 8 Snow Geese.

MONTEZUMA COUNTY:
---On May 2 at Totten Reservoir, Erik Hendrickson reported 2 Marbled Godwit
and 2 Black-necked Stilt. On May 3 at Totten Reservoir, Erik Hendrickson
and Linda Raczek reported Sandhill Crane, 3 Black-necked Stilt, 2 Snowy
Egrets, and 12 Marbled Godwits. On May 5 at Totten Reservoir, Erik
Hendrickson and Linda Raczek reported Sandhill Crane and 5 Black-necked
Stilts.

MONTROSE COUNTY:
---On May 2 at Nucla sewage Lagoons, Coen Dexter and Brenda Wright reported
Cattle Egret.
---On May 2 at Buzz’s Pond, Brenda Wright and Coen Dexter reported 2 Cattle
Egret.

OURAY COUNTY:
---On May 5 at CR 2 just east of Hwy 550, Don Marsh reported Black Phoebe.
---On May 5 on CR 4B, Don Marsh reported 2 Virginia’s Warblers, and 2
Orange-crowned Warblers.

PITKIN COUNY:
---On May 5 at Snowmass Ski Area, Snowmass Village, Ann Larson reported 2
Red-naped Sapsuckers, Cordilleran Flycatcher, Orange-crowned Warbler, and 2
Green-tailed Towhee.

PROWERS COUNTY:
---On May 3 at Lamar Community College, Tim Mitzen and Lindsay Purifoy
reported Northern Parula, Summer Tanager (part yellow, part red),
White-throated Sparrow, and Red Crossbills. On May 4 at Lamar Community
College, Brandon Percival reported Blue-gray Gnatcatcher, Northern
Cardinal and 2 Red Crossbills. On May 5 at Lamar Community College, Pablo
Quezada and many other birders reported Scarlet Tanager, Nashville Warbler,
2 Northern Cardinals, 5 Chimney Swifts, and Red-eyed Vireo; Brandon
Percival reported Swainson’s Thrush and Gray Catbird.

PUEBLO COUNTY:
---On May 3 at Pueblo Reservoir South Marina, Caleb Strand reported
Curve-billed Thrasher.
---On May 3 at Pueblo Reservoir Rock Canyon below dam, n of river, Caleb
Strand reported Cassin’s Kingbird and Solitary Sandpiper.
---On May 3 at Mineral Palace Park, Van Truan reported Yellow-throated
Warbler. On May 5 at Mineral Palace Park, Van Truan, Pablo Quezada, and
Gabriel Wiltse reported Yellow-throated Warbler.

SAN MIGUEL COUNTY:
---On May 4 in Telluride (town), Eric Hynes reported Solitary Sandpiper.
---On May 1 in Mountain Village, Eric Hynes reported Great E

SEDGWICK COUNTY:
---On May 4 at 21000 CR 32 near Julesburg, Elaine Wagner reported EASTERN
TOWHEE.

SUMMIT COUNTY:
---On May 2 at Silverthorne (town), Adam Vesely reported 2 Orange-crowned
Warblers.

WASHINGTON COUNTY:
---On May 4 at Akron Golf course, Elaine Wagner reported 2 Broad-winged
Hawks.

WELD COUNTY:
---On May 4 at Crow Valley CG, Deb Carstensen reported m Palm Warbler. On
May 5 at Crow Valley CG, Adrian Moore reported Common Nighthawk, Blue-gray
Gnatcatcher, 5 Orange-crowned Warblers, and Green-tailed Towhee.
---On May 4 at Pawnee NG CR 120, Pratyaydipta Rudra reported ad m
Scissor-tailed Flycatcher.

YUMA COUNTY:
---On May 4 at Yuma Sewage Ponds, Elaine Wagner reported Glossy Ibis.
---On May 4 at Yuma Municipal Cemetery, Elaine Wagner reported EASTERN
TOWHEE.

DFO Field Trips:

For details please visit the DFO website dfobirds.org

Denver City Park
Sunday, May 6
6:30 Am – 11:00 AM
Patrick O’Driscoll (patodrisk AT gmail.com; 303-885-6955 (cell))

Good Birding,
Joyce Takamine
Boulder

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