Date: 5/8/18 3:14 am
From: Joyce Takamine <jabirujt...>
Subject: [cobirds] Colorado Rare Bird Alert, 8 May 2018
Compiler: Joyce Takamine
Date: May 8, 2018
e-mail: RBA AT

This is the Rare Bird Alert for Tuesday, May 8 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)
Bufflehead (Gunnison)
Common Goldeneye (Gunnison)
Northern Bobwhite (Baca)
Greater Prairie Chicken (Yuma)
Greater Roadrunner (Las Animas)
Common Nighthawk (*Weld)
Common Poorwill (Kiowa, Las Animas)
Chimney Swift (Prowers, *Weld)
White-throated Swift (Pueblo)
Ruby-throated Hummingbird (Baca)
Virginia Rail (Chaffee)
Sora (Jackson, Montezuma)
Sandhill Crane (Montezuma)
Black-necked Stilt (Montezuma)
Snowy Plover (Kiowa)
Mountain Plover (Lincoln)
Upland Sandpiper (*Larimer, Lincoln)
Whimbrel (Jefferson, Kiowa)
Semipalmated Plover (Kiowa)
Long-billed Curlew (Kiowa)
Marbled Godwit (Kiowa, Mesa, *Weld)
Stilt Sandpiper (Kiowa)
Sanderling (Kiowa)
Least Sandpiper (Kit Carson)
White-rumped Sandpiper (Kiowa)
Solitary Sandpiper (Mesa, San Miguel)
Pectoral Sandpiper (Kit Carson)
Semipalmated Sandpiper (Boulder, Kiowa, Kit Carson)
Long-billed Dowitcher (Boulder, Weld)
Willet (Jackson, Weld)
Wilson’s Phalarope (Boulder, Kit Carson)
Forster’s Tern (Adams)
Pacific Loon (Jefferson)
Neotropic Cormorant (Kiowa)
American White Pelican (Douglas)
American Bittern (Adams)
Great Egret (Denver)
Snowy Egret (Montezuma)
Little Blue Heron (Mesa)
Cattle Egret (Mesa)
Green Heron (Baca)
Glossy Ibis (Fremont, La Plata, Yuma)
White-faced Ibis (Mesa, Weld)
Turkey Vulture (Douglas)
Mississippi Kite (*El Paso)
Broad-winged Hawk (Baca, Washington)
Acorn Woodpecker (La Plata)
Red-bellied Woodpecker (*Bent, Kit Carson, Prowers)
Red-naped Sapsucker (Gunnison, Pitkin)
Ladder-backed Woodpecker (*El Paso, *Las Animas)
Olive-sided Flycatcher (*Bent, *Boulder, *Jefferson)
Western Wood-Pewee (*Baca, *Boulder, *El Paso, Fremont, Las Animas, Pueblo)
Least Flycatcher (Baca)
Gray Flycatcher (*Boulder, Gunnison, Kit Carson, *Las Animas)
Dusky Flycatcher (*Jefferson, Las Animas, Montrose, *Prowers)
Cordilleran Flycatcher (El Paso, Pitkin)
Black Phoebe (Larimer, Las Animas, Ouray)
Eastern Phoebe (*Baca, Boulder, Fremont, Jefferson, *Las Animas, Otero)
Vermilion Flycatcher (Adams)
Ash-throated Flycatcher (Baca, El Paso, Otero)
Cassin’s Kingbird (Douglas, Jefferson, Larimer, *Las Animas)
Western Kingbird (Gunnison)
Scissor-tailed Flycatcher (Baca, Weld)
White-eyed Vireo (Boulder)
Cassin’s Vireo (Baca, Bent, *Boulder, *Jefferson, *Weld)
Plumbeous Vireo (*Boulder, *Baca)
Red-eyed Vireo (Prowers)
Gray Vireo (Las Animas)
Chihuahuan Raven (Baca, El Paso)
Violet-green Swallow (Jefferson, Weld)
Northern Rough-winged Swallow (Moffat)
Bank Swallow (Gunnison)
Cliff Swallow (Moffat)
Juniper Titmouse (El Paso)
Bushtit (*Weld)
Canyon Wren (Otero, Prowers)
Marsh Wren (*Gunnison)
Bewick’s Wren (Baca)
Blue-gray Gnatcatcher (Baca, Kit Carson, Prowers, Weld)
Eastern Bluebird (El Paso, Fremont)
Mountain Bluebird (Adams)
Swainson’s Thrush (Prowers)
Hermit Thrush (El Paso, Gunnison)
Gray Catbird (*Arapahoe, Prowers)
Curve-billed Thrasher (El Paso)
American Pipit (Kiowa)
Brown-capped Rosy-Finch (Gunnison)
Red Crossbill (Prowers, Las Animas)
Lesser Goldfinch (*Jefferson)
Chestnut-collared Longspur (*Weld)
Green-tailed Towhee (Pitkin, Weld)
Spotted Towhee (Jefferson)
EASTERN TOWHEE (Sedgwick, Yuma)
Rufous-crowned Sparrow (*Bacam Las Animas)
Canyon Towhee (*Baca, *Las Animas)
Chipping Sparrow (Logan, Montezuma)
Lark Sparrow (El Paso)
Black-throated Sparrow (Las Animas)
Grasshopper Sparrow (Denver)
Field Sparrow (Bent, Prowers,)
Sagebrush Sparrow (Boulder)
Harris’s Sparrow (Boulder, Denver, Prowers)
Yellow-breasted Chat (Jefferson)
Orchard Oriole (*Bent, *Las Animas)
Bullock’s Oriole (Bent, *Gunnison)
Brown-headed Cowbird (Kit Carson, Yuma)
Northern Waterthrush (Jefferson, Prowers)
Golden-winged Warbler (*Bent)
Black-and-white Warbler (Arapahoe, *Bent, Jefferson, Prowers)
Tennessee Warbler (Kit Carson)
Orange-crowned Warbler (Ouray, Pitkin, Weld)
Nashville Warbler (*Bent, *Jefferson, Prowers)
Virginia’s Warbler (Ouray)
Common Yellowthroat (Gunnison)
Hooded Warbler (Weld)
Northern Parula (*Weld)
Blackpoll Warbler (*Bent, Boulder)
Grace’s Warbler (Jefferson)
Palm Warbler (Weld)
Yellow-throated Warbler (*Pueblo)
Prairie Warbler (*Bent)
Hepatic Tanager (Las Animas)
Summer Tanager (*Bent, Las Animas, Prowers)
Scarlet Tanager (Prowers)
Northern Cardinal (*Baca, Prowers)
Rose-breasted Grosbeak (Adams, Denver, *Weld)
Blue Grosbeak (*Las Animas, Prowers)
Indigo Bunting (Adams)

---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 f Vermilion Flycatcher. Bea
---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 6 at Barr Lake SP Bird
Conservancy of Rockies Office Area and below dam, Adam Vesely reported
Indigo Bunting.
---On May 5 at Rocky Mountain Arsenal NWR Prairie Trail, Eric Dinkel
reported Mountain Bluebird.

---On May 4 at Lee Gulch Trail at Ashbaugh Park in Littleton, David
Suddjian reported m Black-and-white Warbler.
---On May 7 at Cherry Creek SP, Cnythia Madsen reported Gray Catbird.

--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.
---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

---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 7 at 30024 -30046 CR 24 at John Martin Reservoir, Renee Casias
reported Golden-winged Warbler, Prairie Warbler, and Summer Tanager.

---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 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 6 at Walden/Sawhill Ponds,
Stephen Chang reported Harris’s Sparrow; Boulder Bird Club reported 3
Wilson’s Phalarope and Western Wood-Pewee; Elen Klaver reported Western
---On May 4 at Green Mountain Cemetery, Nathan Pieplow reported White-eyed
---On May 5 at Boulder Creek at 75th Mike Paterson and Megan Jones reported
Eastern Phoebe.
---On May 6 at Wonderland Lake Park, David Haskell and Katied Lehman
reported Eastern Phoebe.
---On May 7 at Green Mountain Cemetery, Bill Kaempfer reported Gray
---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 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 5 at Rocky Mountain Lake Park, Jason Bidgood reported Great Egret.

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

---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 7 at Chico Basin Ranch, John Bruder
reported Ladder-backed Woodpecker.
---On May 4 at Clear Spring Ranch, Terence Berger reported m Eastern
Bluebird and Chihuahuan Raven. On May 7 at Clear Spring Ranch, Steve Brown
reported Western Wood-Pewee.
---On May 5 at Aiken Canyon Preserve, Deborah Barnes reported 2 Cordilleran
Flycatcher, Ash-throated Flycatcher and Juniper Titmouse.
---On May 6 at Kiowa Creek Nature Center, Gloria Nikolai reported Eastern
---On May 7 at Adams Open Space in Fountain, Monday Birders reported
Mississippi Kite; Heidi Eaton reported pair of 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

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

---On May 4 at McCabe’s Wetland, Marcel Such reported 3 Marsh Wren, Hermit
Thrush, and Bank Swallow. 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 5 on FR 317 (38.9625566,-106.9930172), Billy Barr reported
Red-naped Sapsucker, 6 Fox Sparrow, and 3 Brown-capped Rosy-Finch.
---On May 6 at Blue Mesa Reservoir – eastern portion, Nick Niezgoda and
Toni Kraus reported Common Goldeneye and Gray Flycatcher.

---On May 4 at Main Reservoir, Myron Gerhard reported Cassin’s Vireo.
---On May 4 at North Standley Lake SO Park, Penny Martinez and Shannon Cwik
reported 6 Whimbrel in the parking lot.
---On May 5 and 6 at Standley Lake and Park, David Chernack reported
Pacific Loon.
---On May 5 at Harriman Lake Park, DuWayne Worthington reported Cassin’s
Kingbird. 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 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 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 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 6 at Neenoshe Reservoir, Steve Rash reported HUDSONIAN
GODWIT and Stilt Sandpiper and White-rumped Sandpiper.
---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

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

---On May 5 at Pastorius Reservoir, Susan Allerton, Katy Shirley, and
Kristi Streiffert reported Glossy Ibis.
---On May 6 on Animas River Trail behind Home Depot, Susan Allerton
reported Western Wood-Pewee, Dusky Flycatcher, and Black Phoebe.

---On May 5 a Lake Estes, Gloria Nikolai and Scott Rashid reported Black
---On May 5 at CR 5 from CR 82 to CR 92, Nick Komar reported Cassin’s
---On May 7 at Pond at S Wellington on Clinton Ave, Lori Pivonka reported
Upland Sandpiper.

---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 Pugatoire 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).
---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.

---On May 4 on CR 3F near CR 431, Donnie Coody and Shelby Birch reported 2
Mountain Plover and Upland Sandpiper.

---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 4 at Redlands Parkway Ponds, Diane Trappett reported 2 Solitary
---On May 5 at Leatha Jean Stassen SWA, Ron Lambeth reported 8 Snow Geese.
---On May 6 at Highline Lake SP, Deb Stegall and Ronda Woodward reported
Cattle Egret.

---On May 5 at Totten Reservoir, Erik Hendrickson and Linda Raczek reported
Sandhill Crane and 5 Black-necked Stilts. On May 6 at Totten Reservoir,
Erik Hendrickson reported 2 Black-necked Stilts, Sora, 2 Snowy Egrets, and
2 Sandhill Cranes.s

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

---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.

---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.

---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. 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
---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.

---On May 5 at Mineral Palace Park, Van Truan, Pablo Quezada, and Gabriel
Wiltse reported Yellow-throated Warbler. On May 7 at Mineral Palace Park,
Van Truan reported Yellow-throated Warbler.
---On May 6 at Signal Mountain Ranch, Larry Moore reported Western

---On May 4 in Telluride (town), Eric Hynes reported Solitary Sandpiper.

---On May 4 at 21000 CR 32 near Julesburg, Elaine Wagner reported EASTERN

---On May 4 at Akron Golf course, Elaine Wagner reported 2 Broad-winged

---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 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 4 at Pawnee NG CR 120, Pratyaydipta Rudra reported ad m
Scissor-tailed Flycatcher.
---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 4 at Yuma Sewage Ponds, Elaine Wagner reported Glossy Ibis.
---On May 4 at Yuma Municipal Cemetery, Elaine Wagner reported EASTERN

DFO Field Trips:
For details please visit the DFO website

Southeastern Colorado
Tuesday, May 8 – Wednesday, May 9
7:30 AM – 4:00 PM
David Suddjian && Diane Roberts (dsuddjian AT; 831-713-8659)
Register online or contact leader.

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

Eldorado Canyon State Park
Sunday, May 13
6:00 AM – 1:00 PM
Karen Drozda (drozforte AT; 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; 303-941-4881)

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

Good Birding,
Joyce Takamine

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