Date: 5/15/18 3:18 am
From: Joyce Takamine <jabirujt...>
Subject: [cobirds] Colorado Rare Bird Alert, 15 May 2018
Compiler: Joyce Takamine
Date: May 15, 2018
e-mail: RBA AT cobirds.org

This is the Rare Bird Alert for Tuesday, May 15 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)
Greater White-fronted Goose (Larimer, Rio Grande)
Greater Prairie Chicken (Yuma)
Yellow-billed Cuckoo (Boulder)
Greater Roadrunner (Baca, *El Paso)
Common Nighthawk (*Weld)
White-throated Swift (Pueblo)
Virginia Rail (Chaffee)
Sora (Jackson, Montezuma)
Sandhill Crane (*Jefferson)
American Avocet (Teller)
Snowy Plover (Delta)
Whimbrel (Larimer)
Marbled Godwit (*Alamosa, Mesa)
Stilt Sandpiper (*Boulder)
Pectoral Sandpiper (Delta)
Long-billed Dowitcher (Weld)
Willet (*Alamosa, Jackson, Weld)
Wilson’s Phalarope (Kit Carson)
Red-necked Phalarope (Larimer)
Least Tern (Kiowa)
Black Tern (*Weld, Yuma)
Forster’s Tern (Adams)
Snowy Egret (*Alamosa, Delta)
Cattle Egret (Delta, Douglas, Jefferson, Montrose)
White-faced Ibis (Mesa, Weld)
Turkey Vulture (Douglas)
Mississippi Kite (*Baca, El Paso, *Prowers, Pueblo)
Broad-winged Hawk (*Larimer *Yuma)
Red-headed Woodpecker (Denver, El Paso, Kiowa)
Acorn Woodpecker (La Plata)
Ladder-backed Woodpecker (*Baca, *El Paso)
Olive-sided Flycatcher (*Boulder)
Western Wood-Pewee (Arapahoe)
Alder Flycatcher (El Paso, Yuma)
Willow Flycatcher (*Weld)
Least Flycatcher (*Boulder, *Weld)
Hammond’s Flycatcher (Weld)
Gray Flycatcher (*Boulder, Gunnison, Kit Carson, Weld)
Dusky Flycatcher (Montrose)
Cordilleran Flycatcher (Boulder)
Eastern Phoebe (Adams, Boulder, Jefferson, Yuma)
Vermilion Flycatcher (*Adams, Denver)
Ash-throated Flycatcher (El Paso, Weld)
Great Crested Flycatcher (Yuma)
Cassin’s Kingbird (*Adams, *Baca, Larimer)
Scissor-tailed Flycatcher (*Alamosa)
Yellow-throated Vireo (*Boulder, Weld)
Cassin’s Vireo (Bent, *Douglas, Larimer, *Weld)
Red-eyed Vireo (*Boulder, *Larimer, *Prowers, Weld, Yuma)
Gray Jay (Larimer)
Pinyon Jay (El Paso)
Chihuahuan Raven (*Baca)
Violet-green Swallow (Jefferson, Weld)
Northern Rough-winged Swallow (Moffat)
Cliff Swallow (Moffat)
Canyon Wren (Prowers)
SEDGE WREN (Yuma)
Marsh Wren (Gunnison)
Bewick’s Wren (El Paso)
Blue-gray Gnatcatcher (Kit Carson)
Golden-crowned Kinglet (Weld)
Eastern Bluebird (El Paso)
Veery (Larimer, Phillips, *Weld)
Hermit Thrush (El Paso)
Curve-billed Thrasher (*El Paso)
Northern Mockingbird (Arapahoe)
American Pipit (Kiowa)
Red Crossbill (Larimer, Pueblo, Yuma)
Chestnut-collared Longspur (*Weld)
EASTERN TOWHEE (Yuma)
Rufous-Crowned Sparrow (*Baca)
Chipping Sparrow (Logan, Montezuma)
Clay-colored Sparrow (*La Plata)
Lark Sparrow (El Paso)
Black-throated Sparrow (Alamosa, * Baca)
Lark Bunting (*Boulder)
Grasshopper Sparrow (*Baca, *Boulder, Denver, Phillips)
Field Sparrow (Bent, Phillips)
White-throated Sparrow (*Boulder, Weld)
Harris’s Sparrow (Jefferson, Prowers, Yuma)
Golden-crowned Sparrow (Douglas)
Bobolink (*Boulder)
Brown-headed Cowbird (Kit Carson, Yuma)
Ovenbird (Weld)
Worm-eating Warbler (Larimer)
Northern Waterthrush (*Boulder, El Paso, La Plata, *Larimer, Pitkin,
*Washington, Weld, Yuma)
Golden-winged Warbler (*Washington)
Black-and-white Warbler (*Garfield, *Prowers)
Prothonotary Warbler (*Washington)
Tennessee Warbler (Boulder, La Plata, Yuma)
Nashville Warbler (*Denver)
MOURNING WARBLER (*Prowers)
Hooded Warbler (*Boulder, Yuma)
CAPE MAY WARBLER (Boulder, Pueblo)
Northern Parula (*Prowers)
Chestnut-sided Warbler (El Paso, *Jefferson, *Prowers, Weld)
Blackpoll Warbler (Boulder, *Jefferson, Phillips, *Washington, Yuma)
Black-throated Blue Warbler (Weld)
Yellow-throated Warbler (Pueblo, *Washington)
Grace’s Warbler (Jefferson, Mesa)
Black-throated Gray Warbler (Boulder, Larimer, Pueblo)
Black-throated Green Warbler (*Washington)
Hepatic Tanager (Pueblo)
Summer Tanager (Boulder)
Northern Cardinal (*Prowers)
Rose-breasted Grosbeak (Archuleta, Boulder)
Blue Grosbeak (Boulder)
Lazuli Bunting (Arapahoe)
Indigo Bunting (El Paso, Larimer)

ACHULETA COUNTY:
---On May 12 at Deer Trail Aspen Springs, Bryon Greco reported
Rose-breasted Grosbeak.

ADAMS COUNTY:
---On May 12 at Barr Lake SP on Neidrach Nature Trail and Visitor Center,
Karen Drozda and Sandra Blair reported 3 Eastern Phoebe.
---On May 13 at Rocky Mountain Arsenal NWR First Creek, Dave Blue found a
1st year m Vermilion Flycatcher. On May 14 at Rocky Mountain Arsenal NWR
First Creek, John Breitsch and Charlie Chase reported Vermilion Flycatcher.
---On May 14 at Rocky Mountain Arsenal NWR Bluestem Loop Trail, Pablo
Quezada reported Cassin’s Kingbird.

ALAMOSA COUNTY:
---On May 14 at San Luis Lake near Mosca, John Rawinski reported Marbled
Godwit, Willets, and Snowy Egret.
---On May 14 1 mile east of unction of Hwy 17 and Lane 6N, John Rawinski
reported juv Scissor-tailed Flycatcher.

ARAPAHOE COUNTY:
---On May 12 at Willow spring OS in Centennial, Jared Del Rosso reported
Northern Mockingbird and Northern Waterthrush.
---On May 12 at High Line Canal and Little Dry Creek in Centennial, Jared
Del Rosso reported Western Wood-Pewee and Lazuli Bunting.

BACA COUNTY:
---On May 12 in Carrizo and Cottonwood Canyon area, Dan Stringer reported
Rufous-crowned Sparrow, Black-throated Sparrow, Grasshopper Sparrow,
Ladder-backed Woodpecker, Chihuahuan Raven, and Cassin’s Kingbird.
---On May 14 at Springfield (town), Tony Leukering reported Mississippi
Kite.

BOULDER COUNTY:
---On May 12 at Boulder Creek at 75th, Pablo Quezada and Gabriel Wiltse
reported Eastern Phoebe.
---On May 12 at CU Boulder, East Campus, Confluence Ponds and Skunk Creek
area, Katie Lehman and David Haskell found a m CAPE MAY WARBLER which was
seen by many birders; also seen were Northern Waterthrush, Yellow-throated
Vireo, Black-throated Gray Warber, Summer Tanager, Least Flycatcher,
Cordilleran Flycatcher, Olive-sided Flycatcher. On May 13 at CU Boulder
East Campus, Peter Burke and others reported Gray Flycatcher, Northern
Waterthrush, CAPE MAY WARBLER, Yellow-throated Vireo, Summer Tanager,
Rose-breasted Grosbeak and Ernest Crvich and Willem Van Vliet reported
Yellow-billed Cuckoo. On May 14 at CU Boulder, East Campus, Bill Kaempfer
reported Northern Waterthrush; John Vandepoel reported Gray Flycatcher and
Northern Waterthrush; John Rutenbeck reported Yellow-throated Vireo,
Northern Waterthrush and Least Flycatcher; Aaron Shipe reported
Yellow-throated Vireo.
---On May 12 at Mayoffer Singletree Trail in Superior, Peter Ruprecht
reported m Blackpoll Warbler; Michael Lester reported Tennessee Warbler,
Gray Flycatcher, Least Flycatcher, and m Rose-breasted Grosbeak. On May 13
at Mayoffer Singletree Trail, Pablo Quezada reported Gray Flycatcher and
Rose-breasted Grosbeak.
---On May 12 at Boulder Valley Ranch Trailhead, Steve Frye reported Blue
Grosbeak.
---On May 12 at City of Boulder Open Space Cherryvale Office Area, Michelle
Puplava and Alex Brown reported ad m Lark Bunting.
---On May 12 at Lagerman Reservoir, Dan Zmolek and Leslie S reported m Lark
Bunting.
---On May 12 W of Niwot on N 79th S of CR 30, Kat Bradley-Bennett reported
Eastern Phoebe.
---On May 13 at 5728-5898 Hygiene Road in Longmont, Christian Nunes
reported Lark Bunting.
---On May 14 at Twin Lakes in Boulder, Mark Miller reported a m singing
Hooded Warbler.
---On May 14 at Pella Crossing, Carl Starace reported 7 Bobolink and
Grasshopper Sparrows.
---On May 14 at Green Mountain Cemetery, Bill Kaempfer reported Lark
Bunting and Olive-sided Flycatcher.
---On May 14 at Waneka Lake/Greenlee Preserve, Ted Floyd reported Least
Flycatcher, Gray Flycatcher, and White-throated Sparrow.
---On May 14 at Golden Ponds Park and Nature Area, David Dowell reported 2
Red-eyed Vireos.
---On May 14 Walden/Sawhill Ponds, Chuck Hundertmark, Burke Angstrom, Tracy
and Luke Pheneger, and Eric DeFonso reported Stilt Sandpiper.

DELTA COUNTY:
---On May 12 at Fruitgrowers Reservoir North Road Causeway, Jon Horn
reported Pectoral Sandpiper. On May 13 at Fruitgrowers Reservoir, Jim
Wallis reported Snowy Egret, Cattle Egret, and pair of Snowy Plovers.

DENVER COUNTY:
---On May 13 at First Creek at DEN OS, Megan Miller and Jordon Spalding
reported Red-headed Woodpecker and Vermilion Flycatcher. On May 14 at
First Creek at DEN OS, Meg Reck reported Nashville Warbler.

DOUGLAS COUNTY:
---On May 12 at McClain Gravel Pit, Bill Schreitz reported Cattle Egret.
---On May 12 at High Line Canal GCSP spot, Joey Kellner and Steve
Stachowiak reported Golden-crowned Sparrow. On May 13 on High Line canal
Trail (39.527,-105.048), Joey Kellner and Glenn Walbek reported
Golden-crowned Sparrow.
---On May 14 on Castlewood Canyon Road, Lake Gulch Road to Castlewood
Canyon SP, Gloria Nikolai reported Cassin’s Kingbird.

EL PASO COUNTY:
---On May 12 at Chico Basin Ranch, Wooded Areas, Christine Alexander, Ginny
Bergstrom, Rebecca Laroche, and Steve Mlodinow reported Ladder-backed
Woodpecker and Ash-throated Flycatcher. On May 13 at Chico Basin Ranch,
Ken Burton banded another Hermit Thrush and reported Red-headed Woodpecker;
Rebecca Laroche reported Ash-throated Flycatcher and Ladder-backed
Woodpecker; Christina Leslie reported 2 Eastern Bluebirds.
---On May 12 at Clear Spring Ranch, Steve Brown reported Mississippi Kite,
Alder Flycatcher, and Nothern Waterthrush; Alan Ketcham reported
Mississippi Kite. On May 13 at Clear Spring Ranch, Steve Brown reported
that he banded 5 Northern Waterthrush and missed netting a m Indigo Buntin.
---On May 13 on Adams OS, Cynthia Kristensen reported 2 Mississippi Kites.
---On May 12 on Hanover Road, Christine Alexander reported Curve-billed
Thrasher. On May 13 on Handover Road, Alan Ketcham reported Ladder-backed
Woodpecker. On May 14 on Hanover Road, Alan Versaw reported Ladder-backed
Woodpecker.
---On May 12 at Aiken Canyon Preserve, Heidi Eaton and David Tonnessen
reported 7 Ash-throated Flycatchers and 5 Bewick’s Wrens.
---On May 12 at 3350 Turkey Canyon Ranch Road, Michelle Orlowske reported 2
Ash-throated Flycatcher and 2 Pinyon Jays.
---On May 12 on Fountain Creek Spring Count, Steve Getty reported Northern
Parula, Chestnut-sided Warbler, and Northern Waterthrush.
---On May 13 in Fountain, Christina Leslie and Marry Geder each reported 2
Mississippi Kites.
---On May 14 on S Meridian Road from Hanover Road to Pueblo County Line,
Alan Versaw reported Greater Roadrunner.
---On May 14 at Birdsall Road, Alan Versaw reported Curve-billed Thrasher.
---On May 14 at Hanover Fire Station, Jim Merritt and Terence Berger 3
Curve-billed Thrasher.

GARFIELD COUNTY:
---On May 14 at Storm King Fire Memorial Trail in Glenwood Springs, John
Hogan reported Black-and-white Warbler.

GUNNISON COUNTY:
---On May 12 at McCabes Lane Wetland, Ian Souza-Cole reported 2 Marsh Wrens.

JEFFERSON COUNTY:
---On May 12 at Denver Botanic Gardens Chatfield Farms, Megan Miller
reported Harris’s Sparrow.
---On May 12 at Belmar Park, Bill Eley, Myron Berhard, Pablo Queazda, and
Gabriel Wiltse reported m Chestnut-sided Warbler. On May 13 at Belmar
Park, Michael Lester and Gary Ackert reported Chestnut-sided and Blackpoll
Warblers; several other birders reported Chestnut-sided Warbler. On May 14
at Belmar Park, Gwen Moore, Jessi Oberbeck, Tom Behnfield, Cathy Fennelly,
and Renee Casias Chestnut-sided Warbler; Casias reported Blackpoll Warbler.
---On May 12 at 7285 Pierce St, Arvada, Reed Gorner reported 11 Cattle
Egret.
---On May 14 at Standley Lake and Park, David Chernack reported Sandhill
Crane.

KIOWA COUNTY
---On May 13 at Neenoshe Reservoir, Heidi Eaton reported Least Tern and 3
Red-headed Woodpeckers.

LA PLATA COUNTY:
---On May 12 at Pastorius Reservoir, Catherine Ortega and Mark Holmgren
reported Northern Waterthrush.
---On May 13 at Oxbow Park and Preserve, Jason St Pierre reported Tennessee
Warbler. On May 14 at Oxbow Park and Preserve, Susan Allerton and Martin
Cuntz reported Clay-colored Sparrow.

LARIMER COUNTY:
---On May 12 at Equalizer Lake in Loveland, Jim Nachel, Pablo Quezada,
David Wade, Lori Pivonka, Jeff Kehoe, and Josh Bruening reported
Worm-eating Warbler; Bruening also reported Northern Waterthrush. On May
13 at Equalizer Lake, Steve Rash reported Worm-eating Warbler.
---On May 12 for Big Day, Nick Komar reported Greater White-fronted Goose
at CR 70 Pond; Black-bellied Plover at CR 9 Pond S of Wellington,
Red-necked Phalarope at Morris Reservoir in Wellinton, and Northern
Waterthrush at Lee Martinez Park.
---On May 12 at Wellington SWA Cobb Lake Unit, David Wade, Walter Wehtje,
and Georgia Doyle reported Cassin’s Kingbird, Northern Waterthrush, and
Black-throated Gray Warbler. On May 13 at Wellington SWA Cobb Lake Unit,
Nick komar, Lori Pivonka and Sean Walters reported Gray Flycatcher, Veery,
Whimbrel, Black-throated Gray Warbler.
---On May 12 on NCR 11 North Poudre Reservoir #4, Georgia Doyle and Walter
Wehtje reported Greater White-fronted Goose.
---On May 13 at Grandview Cemetery, Dave Leatherman reported Red Crossbills
(Type 4).
---On May 13 at Frank SWA and Jode Reservoir, Caroline Olsen reported
Cassin’s Vireo.
---On May 14 at Lee Martinez Park, Rob Sparks reported Broad-winged Hawk,
Red-eyed Vireo, and Northern Waterthrush.

MESA COUNTY:
---On May 12 at John Brown Canyon, Ronda Woodward reported 4 Grace’s
Warblers.

MONTROSE COUNY:
---On May 13, 0.5 mile south of Nucla Domestic Reservoir, Coen Dexter and
Brenda Wright reported Cattle Egret.

PHILLIPS COUNTY:
---On May 12 in Holyoke (town), Nick Moore reported Veery, Blackpoll
Warbler, Grasshopper Sparrow, and Field Sparrow.

PITKIN COUNTY:
---On May 12 at Placita River Bottoms, Ernie Bradley reported Northern
Waterthrush.

PROWERS COUNTY:
----On May 13 at Lamar Community College, Dan Stringer reported Northern
Cardinal, Mississippi Kites, Black-and-white Warbler, Red-eyed Vireo,
Chestnut-sided Warberl, MOURNING WARBLER, Northern Parula.

PUEBLO COUNTY:
---On May 12 at Mineral Palace Park, Loch Kilpatrick reported 2
Yellow-throated Warblers, 4 Mississippi Kites and Black-throated Gray
Warbler.
---On May 12 at Chico Basin ranch, Rose Pond, Steve Mlodinow reported m
CAPE MAY WARBLER and Red Crossbill.
---On May 13 at Chic Basin Ranch Rose Pond, John Drummond, Rebecca Laroche,
Gloria Nikloai, and Christina Leslie reported m Hepatic Tanager.

TELLER COUNTY:
---On May 12 at Manitou Lake, Mel and Jeanne Goff reported American Avocet.

WASHINGTON COUNTY:
---On May 12 at Last Chance, Ted Floyd reported Northern Waterthrush.
---On May 13 at Akron Golf Course pond, Mark Peterson reported Northern
Waterthrush, Prothonotary Warbler, Blackpoll, Golden-winged Warbler,
Yellow-throated Warbler, and Black-throated Green Warbler.

WELD COUNTY:
---On May 12 at Crow Valley CG, Josh Bruening reported Common Nighthawk,
Hammond’s Flycatcher, Gray Flycatcher, Cassin’s Vireo, Red-eyed Vireo,
Northern Waterthrush, 2 Blackpoll Warblers; Gene Rutherford reported
Red-eyed Vireo. On May 13 at Crow Valley CG Josh Bruening reported
Cassin’s VIero, Veery, Ovenbird, Chestnut-sided Warbler, White-throated
Sparrow, and Golden-crowned Kinglet; John Cobb reported Golden-crowned
Kinglet and Hammond’s Flycatcher; Gene Rutherford reported Chestnut-sided
Warbler, Common Nighthawk, Red-eyed Vireo, and Cassin’s Vireo; Christ
Goulart reported Chestnut-sided Warbler. On May 14 at Crow Valley CG,
Dave Leatherman reported 3 Veery, 4 Least Flycatcher, and Common Nighthawk.
---On May 12 at Banner Lake SWA, Richard Homes Anderson reported
Ash-throated Flycatcher.
---On May 12 at Norma’s Grove, Gene Rutherford reported Willow Flycatcher.
On May 13 at Norma’s Grove, Josh Bruening and Gene Rutherford reported Gray
Flycatcher and Yellow-throated Vireo.
---On May 12 at Eaton Cemetery, Josh Bruening and Gene Rutherford reported
Willow Flycatcher and Black-throated Blue Warbler. On May 14 at Eaton
Cemetery, Shawn Mason reported Cassin’s Vireo.
---On May 13 Gary Lefko and his Prairie Wonder of the Pawnee field trip
reported Willow Flycatcher at Crow Valley, Black Tern at Stewart’s Pond, La
Salle, 8 Chestnut-collared Longspurs—6 at CR 45 and CR 114, Nunn and 2 two
miles north of above intersection.

YUMA COUNTY:
---On May 12 in Yuma (town), Nick Moore reported 7 Red Crossbills
(Ponderosa Pine or Type 2).
---On May 12 at Wray Fish Hatchery, Nick Moore reported Black Tern, Eastern
Phoebe, Great Crested Flycatcher, 2 Blackpoll Warblers, 2 EASTERN TOWHEE.
---On May 12 at Hale Ponds, David Dowell reported Alder Flycatcher,
Harris’s Sparrow, Red-eyed Vireo, Northern Waterthrush, and Tennessee
Warbler.
---On May 12 at Hale Crossroad, David Dowell reported Broad-winged Hawk,
SEDGE WREN, and Hooded Warbler.

DFO Field Trips:
For details please visit the DFO website dfobirds.org

Monday, May 14, 2018 5:15 AM – 4:00 PM
Elbert County
David Suddjian (dsuddjian AT gmail.com; 831-713-8659)
Register online or contact leader.

Tuesday, May 15 5:00 AM – 12:00 PM
Deer Creek Canyon
David Suddjian (dsuddjian AT gmail.com; 831-713-8659)
This trip is FULL.

Saturday,May 19 5:00 AM – 11:00 AM
Chatfield State Park
David Suddjian (dsuddjian AT gmail.com; 831-713-8659)
This trip is FULL.

Sunday, May 20 6:15 AM – 11:00 AM
Second Creek Open Space (Commerce City)
Patrick O’Driscoll (patodrisk AT gmail.com; 303-885-6955 (cell))
Register online or contact leader.

Good Birding,
Joyce Takamine
12
Boulder

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