Date: 5/5/18 3:22 am
From: Joyce Takamine <jabirujt...>
Subject: [cobirds] Colorado Rare Bird Alert, 5 May 2018
Compiler: Joyce Takamine
Date: May 5, 2018
e-mail: RBA AT

This is the Rare Bird Alert for Saturday, May 5 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)
Ross’s Goose (Jackson)
Greater White-fronted Goose (Rio Grande)
Tundra Swan (Prowers)
Wood Duck (Jackson)
Greater Scaup (Jackson, Montrose)
Greater Prairie Chicken (Yuma)
Chimney Swift (Jefferson)
White-throated Swift (Pueblo)
Virginia Rail (Chaffee)
Sora (Jackson)
Sandhill Crane (Montezuma)
Black-necked Stilt (Boulder, Douglas, Mesa, Montezuma)
Snowy Plover (Alamosa, *Kiowa)
Mountain Plover (*Lincoln)
Upland Sandpiper (*Lincoln)
Whimbrel (*Jefferson, *Kiowa)
Semipalmated Plover (La Plata)
Long-billed Curlew (Jefferson, *Kiowa)
Marbled Godwit (Delta, Gunnison, La Plata, Mesa, Montezuma)
Sanderling (Jackson)
Bairds’s Sandpiper (Jackson)
Least Sandpiper (Kit Carson)
Solitary Sandpiper (Boulder, La Plata, *Mesa, Pueblo, *San Miguel)
Pectoral Sandpiper (Delta, *Kit Carson)
Semipalmated Sandpiper (Jackson, Jefferson, Kit Carson, Mesa)
Western Sandpiper (La Plata, Mesa)
Long-billed Dowitcher (La Plata, Weld)
Willet (Boulder, Gunnison, Jackson, La Plata, Weld)
Wilson’s Phalarope (Kit Carson, La Plata)
Red-necked Phalarope (Jefferson)
Caspian Tern (Kiowa, Weld)
Forster’s Tern (Adams, Lincoln)
Neotropic Cormorant (*Kiowa)
American White Pelican (Douglas)
Great Egret (*Denver, San Miguel)
Snowy Egret (Dolores, Las Animas, Montezuma)
Little Blue Heron (*Mesa)
Cattle Egret (Dolores ,Jefferson, Mesa, Montrose, San Miguel)
Green Heron (Boulder)
Glossy Ibis (Fremont, Jackson, *Yuma)
White-faced Ibis (La Plata, Mesa, Weld)
Turkey Vulture (Douglas)
Northern Goshawk (Larimer)
Broad-winged Hawk (Mesa, *Washington)
Acorn Woodpecker (La Plata)
Red-bellied Woodpecker (Bent, *Kit Carson)
Hairy Woodpecker (Weld)
Western Wood-Pewee (*Baca)
Hammond’s Flycatcher (Jefferson)
Gray Flycatcher (Gunnison, Kit Carson)
Dusky Flycatcher (La Plata, Montrose)
Eastern Phoebe (*Boulder, Jefferson)
Ash-throated Flycatcher (*Adams, El Paso, Larimer)
Cassin’s Kingbird (*Douglas, Pueblo)
Scissor-tailed Flycatcher (*Weld)
White-eyed Vireo (*Boulder)
Cassin’s Vireo (Bent, Boulder, *Jefferson)
Plumbeous Vireo (Denver)
Red-eyed Vireo (Kiowa)
Chihuahuan Raven (*El Paso)
Common Raven (Lincoln)
Violet-green Swallow (Jefferson, Weld)
Northern Rough-winged Swallow (Moffat)
Bank Swallow (*Gunnison)
Cliff Swallow (Moffat)
Bushtit (Weld)
White-breasted Nuthatch (Weld)
Marsh Wren (*Gunnison)
Blue-gray Gnatcatcher (Kit Carson, *Prowers)
Eastern Bluebird (*El Paso, Jefferson)
Mountain Bluebird (Lincoln)
Swainson’s Thrush (Weld)
Hermit Thrush (*El Paso, *Gunnison)
Gray Catbird (Boulder, Denver, Larimer)
Curve-billed Thrasher (Pueblo)
Brown Thrasher (Kiowa)
Northern Mockingbird (Kiowa)
American Pipit (Kiowa)
Gray-crowned Rosy-Finch (Gunnison)
Brown-capped Rosy-Finch (Gunnison)
Red Crossbill (*Prowers)
EASTERN TOWHEE (Larimer, *Sedgwick, *Yuma)
Chipping Sparrow (Logan, Montezuma)
Lark Sparrow (El Paso)
Field Sparrow (Bent)
Sagebrush Sparrow (Boulder)
White-throated Sparrow (Prowers)
Harris’s Sparrow (*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 (Summit)
Hooded Warbler (Broomfield)
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, Weld)
Wilson’s Warbler (La Plata)
Summer Tanager (Jefferson, Prowers)
Northern Cardinal (Boulder, *Prowers)
Rose-breasted Grosbeak (*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 Ash-throated Flycatcher.

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

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

--On May 4 in Campo (town), Tony Leukering reported Western Wood-Pewee.

---On May 1 at Golden Ponds Park and NA, David Dowell reported eastern
Phoebe, 2 Green Heron, and 4 Black-necked Stilts. On May 4 at Golden Ponds
Park, Scott Severs 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 Melody Park in Boulder, Bob Fiehweg and Robin Byers reported
singing Northern Cardninal.
---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 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 Mary 4 at Green Mountain Cemetery, Nathan Pieplow reported White-eyed

---On April 29, Sandy Arnesen reported a Hooded Warbler has been visiting
her back yard. If you would like to see it, contact Sandy at
sandy.arnesen.SA AT or call 303-941-5481. On May 1, Sandy
Arnesen reported that the Hooded Warbler continued to visit her yard and
several birders got to see it. On May 2, Sandy Arnesen reported that the
Hooded Warbler continues to visit her yard. On May 3, Sandy Arnesen and
Pablo Quezada reported m Hooded Warbler.

---On April 30 at Fruitgrowers Reservoir, Andrea Robinsong reported 2
HUDSONIAN GODWITS, flock of Marbled Godwilts and Pectoral Sandpiper.

---On May 1 at First Creek at DEN OS, John Breitsch reported 2 Gray
Catbird. On May 4 at First creek at DEN OS, Eric DeFonso and John
Breitsch reported Harris’s Sparrow.
---On May 1 at Rocky Mountain Lake Park, Gabriel Wiltse reported Great
Egret. 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 April 30 at Denver City Park, Rebecca Laroche reported Plumbeous
---On May 2 at Bluff Lake Nature Center, Doug Kibbe and Elaine Wagner
reported Great Egret.

---On May 2 at Alkali Draw, Glenn Dunmire reported Snowy Egret and Cattle

---On May 1 at Bar CCC pond in Parker, Tim Ryan and G Stacks reported 3
Black-necked Stilts.
---On May 4 at Castlewood Canyon Rd—Lake Gulch Road to Castlewood Canyon
SP, Gloria Nikolai reported Cassin’s Kingbird.

---On May 1 at Chico Basin Ranch, Ken Burton banded Hermit Thrush. 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 Chich Basin Ranch,
Ken Burton banded 1 new and 1 recapture Hermit Thrush.
---On May 1 on Kane Road, Robin Bredl reported Glossy Ibis.
---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 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 Waunit Hot Springs Lek, Caleb Strand reported Gray

---On May 1 at Walden Reservoir, Caleb Strand reported 2 Baird’s Sandpiper,
Sandering, Ross’s Goose, 2 Greater Scaup and Glossy Ibis.
---On May 1 at Arapaho NWR in Walden, Calibe Strand reported 2 Semipalmated
Sandpiper and 2 Wood Ducks.

---On May 2 at North Arvada Middle School, Cathy Fennelly reported 14
Cattle Egret.
---On May 1 at Main Reservoir, Doug Kibbe and Elaine Wagner reported
Chimney Swift; Michael Lester reported Hammond’s Flycatcher. 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 1 at Elk Meadow Park, Greg Levandoski reported Long-billed Curlew.
---On May 1 on Bear Creek Trail – Bear Creek Lake Dam to S Kipling, Robert
Raker, Frank Farrell, Matt Clark, and Susan Bonfiglio reported Summer
---On May 3 at Wheat Ridge Greenbelt, Kevin DeBoer reported Red-necked
---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 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 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 4 at Flagler Reservoir SWA, Renee Casias reported Tennessee
Warbler, Pectoral Sandpiper and Red-bellied Woodpecker.

---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
---On Mary 1 on CR 136 across from Consolidated Construction, Jason St.
Pierre reported Cassin’s Kingbird.

---On May 1 at CSU Environmental Learning Center, Bobbie Tilmant reported f
---On May 1 at Douglas Reservoir, David Wade reported Gray Catbird.
---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

---On May 1 at Trinidad Reservoir (SP and SWA), Charles Paterson reported
Snowy Egret.

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

---On May 1 at James M Robb Colorado River SP Pear Park Section, Mike
Henwood, Nic Korte, Vic Zerbia and several other birders reported Little
Blue Heron. 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 1 at Redlands Parkway Ponds, Mike Henwood reported 5 Black-necked
Stilts, Marbled Godwit, and Black Tern; Drew Kelly repoted 2 Semipalmated
Sandpipers. On May 4 at Redlands Parkway Ponds, Diane Trappett reported 2
Solitary Sandpipers.
---On May 1 at Connected Lakes SP Blue Heron Section, Mike Henwood reported
2 Common Tern.
---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 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 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

---On May 1 at North Gateway Park, Alan and Mary Lynne Ketcham, and Jim
Merritt reported Tundra Swan.
---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 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

---On May 4 in Telluride (town), Eric Hynes reported Solitary Sandpiper.
---On May 1 in Mountain Village, Eric Hynes reported Great Egret.
---On May 1 on Boomerang to River trails, Eric Hynes reported Solitary

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

---On May 2 at Silverthorne (town), Adam Vesely reported 2 Orange-crowned

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

---On May 1 at Glenmere Park in Greeley, Steve Mlodinow reported Hairy
Woodpecker (Rocky Mts), 2 Bushtit, Blue-gray Gnatcatchers, White-breasted
Nuthatch (interior west).
---On May 1 at Eaton Cemetery, Steve Mlodinow reported 2 Sawinson’s (Olive
back) Thrush and Townsend’s Warbler.
---On May 1 at Firestone Gravel Pits (view from road), Steve Mlodinow
reported 2 Caspian Terns.
---On May 4 at Crow Valley CG, Deb Carstensen reported m Palm Warbler.
---On May 4 at Pawnee NG CR 120, Pratyaydipta Rudra reported ad m
Scissor-tailed Flycatcher.

---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

eBird Hotspot Romp
Saturday, May 5
6:00 AM – 6:00 PM
Chris Goulart (cgoulart001 AT; 586-764-2126) This Trip is FULL

Reuter-Hess Reservoir
Saturday, May 5
8:00 AM – 1:00 PM
Tim Ryan and Diane Roberts (Tryan4thebirds AT; 720-545-5084)
This trip is FULL.

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

Good Birding,
Joyce Takamine

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