Date: 5/10/18 3:21 am
From: Joyce Takamine <jabirujt...>
Subject: [cobirds] Colorado Rare Bird Alert, 10 May 2018
Compiler: Joyce Takamine
Date: May 10, 2018
e-mail: RBA AT cobirds.org

This is the Rare Bird Alert for Thursday, May 10 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 (Rio Grande)
Greater Scaup (Hinsdale)
Bufflehead (Gunnison)
Common Goldeneye (Gunnison)
Northern Bobwhite (Kiowa)
Greater Prairie Chicken (Yuma)
Greater Roadrunner (Baca, Las Animas)
Common Nighthawk (Weld)
Chimney Swift (Prowers, Weld)
White-throated Swift (Pueblo)
ANNA’S HUMMINGBIRD (Jefferson)
Virginia Rail (Chaffee)
Sora (Jackson, Montezuma)
Sandhill Crane (Montezuma)
Black-necked Stilt (Montezuma)
Snowy Plover (*Kiowa)
Piping Plover (Kiowa)
Upland Sandpiper (Arapahoe, Larimer)
Whimbrel (*Kiowa)
Long-billed Curlew (Baca, Boulder, *Kiowa)
HUDSONIAN GODWIT (Kiowa)
Marbled Godwit (*Kiowa, Mesa, Weld)
Long-billed Dowitcher ( Weld)
Willet (Jackson, Weld)
Wilson’s Phalarope (Boulder, Kit Carson)
Forster’s Tern (Adams)
American White Pelican (Douglas, Hinsdale)
Snowy Egret (Montezuma)
Cattle Egret (*Jefferson, Mesa)
Glossy Ibis (*Boulder, Fremont)
White-faced Ibis (Mesa, Weld)
Turkey Vulture (Douglas)
Mississippi Kite (*El Paso)
Acorn Woodpecker (La Plata)
Red-bellied Woodpecker (Bent, Prowers)
Ladder-backed Woodpecker (*El Paso, Las Animas)
Olive-sided Flycatcher (Bent, Boulder, Jefferson)
Western Wood-Pewee (Baca, Boulder, El Paso, Fremont, Las Animas, Mesa,
Pueblo)
Gray Flycatcher (Boulder, Gunnison, Kit Carson, Las Animas)
Dusky Flycatcher (Jefferson, Las Animas, Montrose, Prowers)
Cordilleran Flycatcher (*Saguache)
Black Phoebe (Las Animas, Mesa)
Eastern Phoebe (Baca, Boulder, Fremont, Jefferson, Las Animas, Otero)
Ash-throated Flycatcher (*El Paso, Otero)
Western Kingbird (Gunnison)
Warbling Vireo (Boulder)
Gray Vireo (Las Animas)
Yellow-throated Vireo (*Boulder)
Cassin’s Vireo (Bent, Boulder, Jefferson, Weld)
Plumbeous Vireo (Boulder, Baca)
Philadelphia Vireo (*El Paso)
Warbling Vireo (Boudler)
Red-eyed Vireo (Prowers)
Gray Jay (*El Paso)
Woodhouse’s Scrub-Jay (*Jefferson)
Chihuahuan Raven (*Kiowa)
Violet-green Swallow (Jefferson, Weld)
Northern Rough-winged Swallow (Moffat)
Cliff Swallow (Moffat)
Bushtit (Weld)
Canyon Wren (Otero, Prowers)
Marsh Wren (Gunnison)
Blue-gray Gnatcatcher (Hinsdale, Kit Carson)
Eastern Bluebird (Fremont)
Swainson’s Thrush (Prowers)
Hermit Thrush (El Paso)
Gray Catbird (Arapahoe, Prowers)
Curve-billed Thrasher (*El Paso, Kiowa)
Brown Thrasher (*Weld)
American Pipit (Kiowa)
Red Crossbill (Las Animas)
Lesser Goldfinch (Jefferson)
Chestnut-collared Longspur (Weld)
Spotted Towhee (Jefferson)
EASTERN TOWHEE (Yuma)
Rufous-crowned Sparrow (Baca, Las Animas)
Canyon Towhee (Baca, Las Animas)
Chipping Sparrow (Logan, Montezuma)
Clay-colored Sparrow (*El Paso)
Lark Sparrow (El Paso)
Black-throated Sparrow (*Alamosa)
Grasshopper Sparrow (*Boulder, Denver)
Field Sparrow (Bent, Prowers,)
Sagebrush Sparrow (Boulder)
Harris’s Sparrow (Boulder, Prowers)
Yellow-breasted Chat (Jefferson)
Orchard Oriole (Bent, Las Animas)
Bullock’s Oriole (Bent, Gunnison)
Brown-headed Cowbird (Kit Carson, Yuma)
Worm-eating Warbler (*Prowers)
Northern Waterthrush (*Jefferson, Prowers)
Golden-winged Warbler (Bent)
Black-and-white Warbler (Bent, Jefferson, *Prowers)
Prothonotary Warbler (Jefferson)
SWAINSON’S WARBLER (Prowers)
Tennessee Warbler (*Kiowa)
Orange-crowned Warbler (Ouray)
Nashville Warbler (Bent, Jefferson, Prowers)
Virginia’s Warbler (Ouray)
MacGillivray’s Warbler (*Jefferson)
MOURNING WARBLER (Bent, *Prowers)
Common Yellowthroat (Gunnison)
Hooded Warbler (Weld)
Northern Parula (Weld)
Magnolia Warbler (*Prowers)
Yellow Warbler (Hinsdale)
Chestnut-sided Warbler (*Saguache, *Weld)
Blackpoll Warbler (Bent, *Weld)
Black-throated Blue Warbler *Jefferson)
Palm Warbler (Boulder)
Yellow-throated Warbler (*Pueblo)
PRAIRIE WARBLER (Bent)
Grace’s Warbler (Jefferson)
Black-throated Gray Warbler (*Jefferson)
Townsend’s Warbler (*Bent, *Kiowa)
Black-throated Green Warbler (Kiowa, *Prowers)
Hepatic Tanager (Las Animas)
Summer Tanager (Bent, Las Animas, Prowers, *Weld)
Scarlet Tanager (Prowers)
Northern Cardinal (Baca, Prowers)
Rose-breasted Grosbeak (*Boulder, Weld)
Blue Grosbeak (Las Animas, Prowers, *Weld)
Lazuli Bunting (*El Paso)
Indigo Bunting (Adams)

ADAMS COUNTY:
--- On May 6 at Barr Lake SP Bird Conservancy of Rockies Office Area and
below dam, Adam Vesely reported Indigo Bunting.

ALAMOSA COUNTY:
---On May 9 at Hwy 140 pullout at Mosca, Chet Ogan reported Black-throated
Sparrow perched on sign of Medano Zapata pullout.

ARAPAHOE COUNTY:
---On May 7 at Cherry Creek SP, Cnythia Madsen reported Gray Catbird.
---On May 8 at 8884 15th Ave in Deer Trail, Loch Kilpatrick reported Upland
Sandpiper sittin on fence post along highway.

BACA COUNTY:
---On May 7 at Springfield Water Treatment Plant, Steve Mlodinow reported
Plumbeous Vireo.
---On May 7 at Picture Canyon, Steve Mlodinow reported 2 Rufous-crowned
Sparrows, Eastern Phoebe, 4 Canyon Towhee, Northern Cardinal and Western
Wood-Pewee.
---On May 7 on CR M south side just after turning off of US 287, Bill Fink
reported Long-billed Curlew.
---On May 7 at CR 5 and CR M, Bill Fink reported Greater Roadrunner.

BENT COUNTY:
---On May 7 at Tempel Grove, Brandon Percival reported m Golden-winged
Warbler on W side of CR 35 away from canal; f Blackpoll Warbler, m
Black-and-white Warbler, and Summer Tanager; Steve Rash reported
Golden-winged Warbler; Jane Stulp et al reported Golden-winged Warbler,
Red-bellied Woodpecker, Olive-sided Flycatcher, Nashville Warber, and
Orchard Oriole. On May 8 at Melody Tempel Grove, Steve Mlodinow reported m
MOURNING WARBLER and Summer Tanager. On May 9 at Melodoy Tempel Grove,
Brandon Percival reported Townsend’s Warbler.
---On May 7 at 30024 -30046 CR 24 at John Martin Reservoir, Renee Casias
reported Golden-winged Warbler, PRAIRIE WARBLER, and Summer Tanager.

BOULDER COUNTY:
---On May 6 at Walden/Sawhill Ponds, Stephen Chang reported Harris’s
Sparrow; Boulder Bird Club reported 3 Wilson’s Phalarope and Western
Wood-Pewee; Elena Klaver reported Western Wood-Pewee. On May 8 at
Walden/Sawhill Ponds, Ted Floyd reported 3 Warbling Vireo (Eastern).
---On May 8 at Boulder Creek at 75th, Ted Floyd reported Eastern Phoebe.
---On May 6 at Wonderland Lake Park, David Haskell and Katie Lehman
reported Eastern Phoebe.
---On May 7 at Green Mountain Cemetery, Bill Kaempfer reported Gray
Flycatcher.
---On May 8 at CU Boulder, East Campus, Mark Minner-Lee, Ted Floyd, and
Bill Kaempfer reported Cassin’s Vireo, Gray Flycatcher, Western Wood-Pewee,
Olive-sided Flycatcher, and Plumbeous Vireo. On May 8 at CU Boulder, East
Campus, Peter Burke reported Yellow-throated Vireo on W side of western
most pond.
---On May 8 on South Mesa trail, Candice Johnson reported Long-billed
Curlew.
---On May 8 at Pella crossing OS, Carl Starace reported Glossy Ibis. On
May 9 at Pella Crossing OS, Raymond Davis reported Glossy Ibis and 3
Rose-breasted Grosbeak.
---On May 8 at Walden Ponds, Leanne Presley and Susan Downey reported Palm
Warbler (western).
---On May 9 at Damyanovich/Yunker OS, Christian Nunes reported Grasshopper
Sparrow.
---On May 9 on Coal Creek Trail in Lafayette, Jessica Vance reported
Rose-breasted Grosbeak.

EL PASO COUNTY:
--- On May 7 at Chico Basin Ranch, John Bruder reported Ladder-backed
Woodpecker. On May 8 at Chico Basin ranch, Ken Burton reported banding 3
Hermit Thrush. On May 9 at Chico Basin ranch, Ken Burton, and others
reported Ash-throated Flycatcher, 2 Ladder-backed Woodpeckers, Curve-billed
Thrashers.
---On May 7 at Clear Spring Ranch, Steve Brown reported Western
Wood-Pewee. On May 8 at Clear Spring Ranch, Steve Brown reported 3 Lazuli
Bunting. On May 9 at Clear Spring Ranch, Steve Brown reported Clay-colored
Sparrow.
---On May 6 at Kiowa Creek Nature Center, Gloria Nikolai reported Eastern
Bluebird.
---On May 7 at Adams Open Space in Fountain, Monday Birders reported
Mississippi Kite; Heidi Eaton reported pair of Mississippi Kites. On May 8
at Adams Open Space, Aaron and Pati Driscoll reported Mississippi Kite. On
May 9 at Adams Open Space, John Drummond, Terence Berger and Joy and
Leonard Lake reported 2 Mississippi Kites.
---On May 7 at Fountain Creek Regional Park, Diane Roberts and her DFO
Field Trip reported Western Wood-Pewee.
---On May 7 on Hanover Road, Terence Berger reported 2 Ladder-backed
Woodpeckers. On May 9 on Hanover Road, Terence Berger and Daniel Fleming
reported Ladder-backed Woodpecker; John Drummond and Aiken Audubon and Mel
and Jeanne Goff reported Philadelphia Vireo.
---On May 8 at Otowi, Alan Ketcham reported Mississippi Kite.
---On May 8 at Hanover Fire Station, David and Cheryl Hubbard reported
Curve-billed Thrasher.
---On May 9 at Pike’s Peak trail from Crag, Julia Putman reported 3 Gray
Jays.

FREMONT COUNTY:
---On May 6 at Florence River Park, SeEtta Moss reported 4 Eastern
Bluebirds.
---On May 6 on Canon City Riverwalk from Mackenzie Ave to S Rayolds Ave,
Joel Adams reported Western Wood-Peww and Eastern Phoebe.

GUNNISON COUNTY:
---On May 6 at McCabe’s Lane Wetland, Toni Kraus, Steven Horvath, and Nick
Niezgoda reported Bullock’s Oriole, Western Kingbird, Common Yellowthroat,
Bufflehead, and 2 Marsh Wren. On May 7 at McCabe’s lane Wetland, Nick
Niezgoda, reported 2 Bullock’s Orioles and Marsh Wren.
---On May 6 at Blue Mesa Reservoir – eastern portion, Nick Niezgoda and
Toni Kraus reported Common Goldeneye and Gray Flycatcher.

HINSDALE COUNTY:
---On May 8 at Road Canyon Reservoir #1, John Cobb reported Yellow Warbler.
---On May 9 at Brown Lake SWA, John Cobb reported 2 Greater Scaup,
Blue-gray Gnatcatcher, and American White Pelicon.

JEFFERSON COUNTY:
---On May 6 at Harriman Lake Park, Frank Farrell, Rob Raker, and Pablo
Quezada reported Northern Waterthrush.
---On May 6 at Chatfield Banding Station, Meredith McBurney reported
recapturing Yellow-breasted Chat which she had banded in 2015, recaught in
2016 and Spotted Towhee repactured, banded in 2016 and recaught in 2017.
On May 7 at Chatfield Banding Station, Meredith McBurney banded Dusky
Flycatcher and 2 Lesser Goldfinch (probable pair). On May 9 at Chatfield
Banding Station, Meredith McBurney reporte Woodhouse’s Scrub-Jay, Northern
Waterthrush, MacGillivray’s Warbler.
---On May 6 at Belmar Park, Frank Farrell and Bez Bezuidenhout reported
Black-and-white Warbler.
---On May 7 at Wheat Ridge Greenbelt, Kevin DeBoer reported Cassins Vireo
and Olive-sided Flycatcher.
---On May 7 at Chatfield SP Audubon Center and Trails, Dale Pate reported
Nashville Warbler.
---On May 8 at Main Reservoir in Lakewood, Matt Clark and Susan Bonfiglio
reported f ANNA’S HUMMINGBIRD in NW Corner. On May 9 at Main Reservoir,
Gabriel WIltse reported Black-throated Gray Warbler.
---On May 8 at Lower White Ranch Park, Jerry Baines reported Black-throated
Blue Warbler.
---On May 8 at Chatfield Banding Station, Meredith McBurney and Suzy Hiskey
reported m Prothonotary Warbler.
---On May 9 at 5600 W 73rd Ave in Westminster Kimberly Tavernia reported 6
Cattle Egret.

KIOWA COUNTY:
---On May 8 at Upper Queens Reservoir, David Suddjian and his DFO field
trip reported Black-throated Green Warbler on N side of parking at west
boat launch. On May 9 at Upper Queens/Neeskah Reservoir, Steve Mlodinow
reported Tennesee Warbler, Townsend’s Warbler, 6 Snowy Plover, 9 Whimbrel,
3 Long-billed Curlew, 43 Marbled Godwits, and 2 Chihuahuan Raven.
---On May 6 at Neenoshe Reservoir, Steve Rash reported HUDSONIAN GODWIT and
Stilt Sandpiper and White-rumped Sandpiper. On May 8 at Neenoshe
Reservoir, Steve Mlodinow reported 4 Northern Bobwhite, 8 Snowy Plovers, 1
Piping Plover, and Curve-billed Thrasher.

LA PLATA COUNTY:
---On May 6 on Animas River Trail behind Home Depot, Susan Allerton
reported Western Wood-Pewee, Dusky Flycatcher, and Black Phoebe.

LARIMER COUNTY:
---On May 7 at Pond at S Wellington on Clinton Ave, Lori Pivonka reported
Upland Sandpiper.

LAS ANIMAS COUNTY:
---On May 6 at Chictaw, Steve Mlodinow reported 4 Greater Roadrunners,
Eastern Phoebe, Gray Vireo, 2 Rufous-crowned Sparrows, 13 Summer Tanagers,
2 Hepatic Tanagers, Blue Grosbeak.
---On May 7 at Freeman ranch Entrance Riparian, Steve Mlodinow reported
Gray Flycatcher, 3 Cassin’s Kingbird, 2 Blue Grosbeak.
---On May 7 at Freeman Ranch East Carrizo Creek, Steve Mlodinow reported 7
Ladderback Woodpeckers, Gray Flycatcher, 9 Eastern Phoebe, 22 Cassin’s
Kingbird, 10 Canyon Towhees, 3 m Blue Grosbeak, 2 Orchard Oriole.

MESA COUNTY:
---On May 6 at Highline Lake SP, Deb Stegall and Ronda Woodward reported
Cattle Egret. On May 8 at Highline Lake SP, Eric DeFonso reported Western
Wood-Pewee
---On May 8 at Clifton Nature Park, Ryan Claar reported Cattle Egret and
Black Phoebe.

MONTEZUMA COUNTY:
---On May 6 at Totten Reservoir, Erik Hendrickson reported 2 Black-necked
Stilts, Sora, 2 Snowy Egrets, and 2 Sandhill Cranes.s

OTERO COUNTY:
---On May 6 in Vogel Canyon, Lorraine Lanning reported 2 Eastern Phoebe, 2
Ash-throated Flycatchers, 2 Canyon Wrens.

OURAY COUNTY:
---On May 5 on CR 4B, Don Marsh reported 2 Virginia’s Warblers, and 2
Orange-crowned Warblers.

PROWERS COUNTY:
---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. On May 6 at Lamar Community College, Brandon
Percival reported Northern Waterthrush, Field Sparrow, Summer Tanager,
singing Scarlet Tanager, Northern Cardinal, Blue Grosbeak; John Drummond
and Jeannie Mitchel reported 3 Chimney Swift, Red-bellied Woodpecker, Dusky
Flycatcher, Northern Waterthrush, Summer Tanager, Scarlet Tanager and 2
Northern Cardinals. On May 8 at Lamar Community College, David Suddjian
and his DFO field trip reported Scarlet Tanager; Brandon Percival reported
at the South end of LCC, m MOURNING WARBLER, m Magnolia Warbler, f
Black-throated Green Warbler, and Black-and-white Warbler. On May 9 at
Lamar Community College, the DFO Field trip reported MOURNING WARBLER and
Brandon Percival reported Worm-eating Warbler at N end.
---On May 6 at Riverside Cemetery, Dave Leatherman found a SWAINSON’S
WARBLER in a windbreak of trees adjacent to the cemetery. The windbreak is
on private property do not bird the windbreak without permission.
---On May 6 at Two Buttes butte, Renee Casias reported 3 Canyon Wren,
Black-and-white Warbler, and Harris’s Sparrow.

PUEBLO COUNTY:
---On May 7 at Mineral Palace Park, Van Truan reported Yellow-throated
Warbler. On May 9 at Mineral Palace Park, Van Truan reported
Yellow-throated Warbler.
---On May 6 at Signal Mountain Ranch, Larry Moore reported Western
Wood-Pewee.

SAGUACHE COUNTY:
---On May 9 at Deadman’s Creek riparian area, John Cobb reported
Cordilleran Flycatcher and m Chestnut-sided Warbler.

WELD COUNTY:
---On May 6 at Crow Valley CG, Mark Chavez, Gene Rutherford, and Connie
Kogler reported Cassin’s Vireo. On May 7 at Crow Valley CG, Loch
Kilpatrick reported Common Nighthawk, Cassin’s Vireo, and Northern Parula.
On May 9 at Crow Valley CG, Gene Rutherford reported m Chestnut-sided
Warbler, Blackpoll Warbler, and f Summer Tanager; Norm Lewis reported
Summer Tanager.
---On May 6 at Norma’s Grove, Connie Kogler reported Hooded Warbler.
---On May 7 on CR 13 3 miles N of intersection with CR 86, Gary Lefko
reported 4 Marbled Godwits.
---On May 7 at Glenmere Park in Greeley, Shawn Mason reported 2 Chimney
Swifts, 4 Bushtits (nesting), and Rose-breasted Grosbeak.
---On May 7 at CR 114 and C 45, Rachel Hopper reported multiple singing
Chestnut-collared Longspurs.
---On May 9 at Nunn Woods where Lone Tree Creek corsses Nunn County Roads,
Gary Lefko reported Blue Grosbeak and Brown Thrasher.

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

Prospect Park (Wheat Ridge Greenbelt)
Saturday, May 12
8:00 AM -13:30 AM
Jackie King (jackie.king AT ccd.edu; 720-38103314)
Register online or contact leader.

Eldorado Canyon State Park
Sunday, May 13
6:00 AM – 1:00 PM
Karen Drozda (drozforte AT AOL.com; 303-388-0891)
This trip is FULL

Cherry Creek SP Wetlands Loop
Sunday, May 13
8:00 AM – 12:00 PM
Karen von Saltza & Bill Wuerthele (kvonsaltz AT yahoo.com; 303-941-4881)

Roxborough State Park
Sunday, May 13
8:00 AM – 11:00 AM
Alison Kondler (birdtrills AT gmail.com; 303-904-9140)
This trip is FULL.


Good Birding,
Joyce Takamine
Boulder

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