Date: 5/12/18 3:16 am
From: Joyce Takamine <jabirujt...>
Subject: [cobirds] Colorado Rare Bird Alert, 12 May 2018
Compiler: Joyce Takamine
Date: May 12, 2018
e-mail: RBA AT

This is the Rare Bird Alert for Saturday, May 12 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, *Kiowa)
Greater White-fronted Goose (Rio Grande)
Greater Scaup (Hinsdale)
Red-breasted Merganser (Pueblo)
Northern Bobwhite (Kiowa)
Dusky Grouse (*Boulder)
Greater Prairie Chicken (Yuma)
Greater Roadrunner (Baca)
Common Nighthawk (Boulder, *Weld)
Common Poorwill (*El Paso)
White-throated Swift (Pueblo)
Virginia Rail (Chaffee)
Sora (Jackson, Montezuma)
Sandhill Crane (Garfield, *Montezuma, *Weld)
Black-necked Stilt (Denver)
Black-bellied Plover (*Boulder)
Snowy Plover (*Kiowa)
Piping Plover (Kiowa)
Upland Sandpiper (Arapahoe)
Whimbrel (*Kiowa)
Long-billed Curlew (Boulder, Kiowa)
Marbled Godwit (Kiowa, Mesa)
White-rumped Sandpiper (Kiowa)
Long-billed Dowitcher (Weld)
Willet (Jackson, Weld)
Wilson’s Phalarope (Kit Carson)
Black Tern (*Kiowa)
Common Tern (*Kiowa)
Forster’s Tern (Adams, *Montezuma)
American White Pelican (Douglas, Hinsdale)
American Bittern (*Boulder)
Cattle Egret (Jefferson, Mesa)
Green Heron (Larimer)
Glossy Ibis (Boulder, Chaffee, Fremont, Kiowa)
White-faced Ibis (Mesa, Weld)
Turkey Vulture (Douglas)
Mississippi Kite (*El Paso, Kiowa, *Prowers)
Northern Goshawk (El Paso, *Larimer)
Broad-winged Hawk (Prowers)
Red-headed Woodpecker (*Baca, Kiowa, *Prowers)
Acorn Woodpecker (La Plata)
Ladder-backed Woodpecker (*El Paso)
American Three-toed Woodpecker (Larimer)
Olive-sided Flycatcher (Boulder)
Western Wood-Pewee (*Mesa)
Hammond’s Flycatcher (*Boulder)
Gray Flycatcher (Gunnison, Kiowa, Kit Carson)
Dusky Flycatcher (Montrose)
Cordilleran Flycatcher (*El Paso, Saguache)
Black Phoebe (Mesa)
Eastern Phoebe (*Chaffee, Jefferson)
Ash-throated Flycatcher (*El Paso)
Cassin’s Kingbird (*Adams/Arapahoe)
White-eyed Vireo (*Jefferson, Kiowa)
Warbling Vireo (Boulder)
Yellow-throated Vireo (*Boulder)
Cassin’s Vireo (Bent, Boulder)
Plumbeous Vireo (Boulder)
Philadelphia Vireo El Paso)
Warbling Vireo (Boulder)
Gray Jay (El Paso, *Larimer, *Montezuma)
Woodhouse’s Scrub-Jay (Jefferson)
Chihuahuan Raven (Kiowa)
Violet-green Swallow (Jefferson, Weld)
Northern Rough-winged Swallow (Moffat)
Cliff Swallow (Moffat)
Canyon Wren (Prowers)
Bewick’s Wren (*El Paso)
Blue-gray Gnatcatcher (Hinsdale, Kit Carson)
Eastern Bluebird (Kiowa)
Veery (*Kiowa)
Hermit Thrush (El Paso)
Wood Thrush (Kiowa)
Curve-billed Thrasher (El Paso, Kiowa)
Brown Thrasher (Weld)
American Pipit (Kiowa)
American Tree Sparrow (Larimer)
Chipping Sparrow (Logan, Montezuma)
Clay-colored Sparrow (El Paso)
Lark Sparrow (El Paso)
Black-throated Sparrow (Alamosa)
Grasshopper Sparrow (Boulder, Denver, Jefferson)
Field Sparrow (Bent)
Sagebrush Sparrow (Boulder)
Harris’s Sparrow (Prowers)
Bobolink (*Boulder, *Larimer)
Orchard Oriole (*El Paso)
Brown-headed Cowbird (Kit Carson, Yuma)
Ovenbird (Bent, *Boulder, Prowers)
Worm-eating Warbler (*Larimer, *Prowers)
Northern Waterthrush (Bent, *Boulder, *El Paso, Jefferson, *Prowers,
Blue-winged Warbler (Kiowa)
Black-and-white Warbler (*Baca, *Kiowa, Prowers)
Prothonotary Warbler (Jefferson)
Tennessee Warbler (Kiowa)
Nashville Warbler (*El Paso)
MacGillivray’s Warbler (Jefferson)
MOURNING WARBLER (*Baca, Bent, Prowers)
Hooded Warbler (*Prowers)
Northern Parula (El Paso, Kiowa)
Magnolia Warbler (Kiowa, Prowers)
Bay-breasted Warbler (Kiowa)
Yellow Warbler (Hinsdale)
Chestnut-sided Warbler (*Baca, Saguache, Weld)
Blackpoll Warbler (Larimer, Weld)
Black-throated Blue Warbler Jefferson)
Palm Warbler (Boulder, *Larimer)
Yellow-throated Warbler (*Pueblo)
Grace’s Warbler (Jefferson, Mesa)
Black-throated Gray Warbler (Jefferson)
Townsend’s Warbler (Bent, Kiowa)
Black-throated Green Warbler (Kiowa, Prowers)
Wilson’s Warbler (*Mineral)
Summer Tanager (Weld)
Northern Cardinal (*Prowers)
Rose-breasted Grosbeak (Boulder)
Blue Grosbeak (Weld)
Lazuli Bunting (El Paso)
Indigo Bunting (Kiowa)

---On May 11 on US 36 (39.74,-103.767), Loch Kilpatrick reported Cassin’s
Kingbird. This is right on the county line.

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

---On May 8 at 8884 15th Ave in Deer Trail, Loch Kilpatrick reported Upland
Sandpiper sitting on fence post along highway.

---On May 11 at Two Buttes SWA below the dam, Joey Kellner, Kathy Mihm
Dunning, and Glenn Walbek reported Red-headed Woodpecker, m Black-and-white
Warbler, MOURNING WARBLER and Chestnut-sided Warbler.

---On May 8 at Melody Tempel Grove, Steve Mlodinow reported m MOURNING
WARBLER and Summer Tanager. On May 8 at Melody Tempel Grove, Brandon
Percival reported Townsend’s Warbler. On May 9 at Temple Grove, Brandon
Percival reported Ovenbird and Northern Waterthrush.

---On May 8 at Walden/Sawhill Ponds, Ted Floyd reported 3 Warbling Vireo
(Eastern). On May 10 at Walden/Sawhill, Kit Basom reported 2 American
---On May 8 at Boulder Creek at 75th, Ted Floyd reported Eastern Phoebe.
---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 9 at CU Boulder, East
Campus, Peter Burke reported Yellow-throated Vireo on W side of western
most pond. On May 10 at CU Boulder, East Campus, John Malenich and Steve
Rash reported Yellow-throated Vireo; Bob Spencer and Peter Burke reported
Yellow-throated Vireo and Northern Waterthrush. On May 11 at CU Boulder,
East Campus, Confluence Ponds and Skunk Creek, Peter Gent reported
Yellow-throated Vireo and Thomas Heinrich reported Northern Waterthrush.
---On May 8 on South Mesa trail, Candice Johnson reported Long-billed
---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 10 at Pella Crossing OS, Carl Starace
andMike Hensley reported 2 Bobolink. On May 11 at Pella Crossing, Chuck
Hundertmark reported 2 Bobolink.
---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
---On May 9 on Coal Creek Trail in Lafayette, Jessica Vance reported
Rose-breasted Grosbeak.
---On May 10 at Teller Farm and Lakes, Ted Floyd reported Warbling Vireo
---On May 10 at Golden Ponds Park and NA in Longmont, Susan and Maikel Wise
reported Common Nighthawk.
---On May 11 at Lagerman Reservoir, Chuck Hundertmark reported
Black-bellied Plover.
---On May 11 on Bear Canyon trail in Boulder Mountain Park, Christian Nunes
reported 2 Dusky Grouse, Ovenbird, and Hammond’s Flycatcher.

---On May 10 at Little Arkansas River between Poncha Springs and Salida,
Karen Goetz, Susan Bonfiglio, and Matt Clark reported 4 Glossy Ibis.
---On May 11 at Sherrie’s Patch, Sands, Hatchery, Frantz, Mesa, Sally
Waterthouse reported Eastern Phoebe.

---On May 10 at Westerly Wetland, Jake Shorty reported 2 Black-necked

---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 10 at Chico Basin Ranch, Ken Burton, Tanja Britton, and
John Drummond reported Ash-throated Flycatcher, Hermit Thrush, Northern
Parula, 2 Ladder-backed Woodpeckers.
---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 11 at Clear Spring Ranch, Steve Brown banded 5 Northern Waterthrush
and m Orchard Oriole and reported m Nashville Warbler; Clark Jones reported
Ladder-backed Woodpecker.
---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 10 at
Adams OS, Robb Hinds and Gloria Nikolai reported 3 Mississippi Kites. On
May 11 at Adams OS, Gary Koehn and John Malenich reported 2 Mississippi
---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 11 on Hanover Road, Jim
Merritt reported 2 Ladder-backed Woodpecker.
---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 10 at Hanover Fire Station, Tanja Britton
reported Curve-billed Thrasher.
---On May 9 at Pike’s Peak trail from Crag, Julia Putman reported 3 Gray
---On May 10 at Smith Creek Ponds, Alan Versaw reported Northern Goshawk.
---On May 10 at Fountain Creek RP, Diana Beatty reported Mississippi Kite.
---On May 11 at Sinton Pond OS, David Tonnessen reported Cordilleran
---On May 11 at Aiken Canyon Preserve, David Tonnessen reported 2 Bewick’s
Wren, 2 Ash-throated Flycatchers, 4 Common Poorwill; John Sanderson
reported 2 Ash-throated Flycatchers.

---On May 10 at Spring Valley, Tom McConnell reported Sandhill Crane.

---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.

---On May 9 at Chatfield Banding Station, Meredith McBurney reporte
Woodhouse’s Scrub-Jay, Northern Waterthrush, MacGillivray’s 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.
---On May 10 at Lower White Ranch Park, Christy Payne reported 3
Grasshopper Sparrows.
---On May 11 at Bear Creek Lake Park, Mark Chavez, Myron Gerhard, Frank
Farrell, and Pablo Quezada reported White-eyed Vireo.

---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
10 at Upper Queens/Neeskah Reservoir, Steve Mlodinow and David Ely reported
Glossy Ibis, 10 Snowy Plover, 2 Piping Plover, 4 White-rumped Sandpiper,
Black Tern, 3 Red-headed Woodpecker, White-eyed Vireo, Blue-winged Warbler,
Northern Parula, Bay-breasted Warbler, Eastern Bluebird, and Wood Thrush.
On May 11 at Upper Queens/Neeskah Reservoir, Joey Kellner and Kathy Mihm
Dunning reported Snow Goose, Whimbrel and Black-and-white Warbler.
---On May 8 at Neenoshe Reservoir, Steve Mlodinow reported 4 Northern
Bobwhite, 8 Snowy Plovers, 1 Piping Plover, and Curve-billed Thrasher. On
May 11 at Neenoshe Reservoir, Joey Kellner and Kathy Mihm Dunning reported
4 Snowy Plovers, 28 Black Terns, and 3 Common Terns.
---On May 10 on Kiowa road S of Eads Cemetery, David Ely and Steve Mlodinow
reported Chihuahuan Raven and pair of Eastern Bluebirds.
---On May 10 at Kiow Creek at CR 40, Steve Mlodinow and David Ely reported
11 Mississippi Kites, Gray Flycatcher, 2 Chihuahuan Ravens, Veery, Magnolia
Warbler, and Indigo Bunting.

---On May 11 on Animas River Trail behind Home Depot, Susan Allerton
reported Olive-sided Flycatcher.

---On May 10 at Lee Martinez Park in Fort Collins, Rob Sparks reported
Northern Waterthrush and Green Heron.
---On May 10 at Rocky Mountain NP Beaver Meadows Visitor Center, Logan
Korte reported 2 American Tree Sparrows, American Three-toed Woodpecker,
Gray Jay and Blackpoll Warbler.
---On May 11 at reservoir Ridge Trail in private hayfield N of trail going
e-w from Overland Trail Pakring Lot, Dave Leatherman reported 2 m Bobolink.
---On May 11 at Equalizer Lake in Loveland, a Worm-eating Warbler was
reported by Georgia Doyle, Densie Bretting, Christine Sparks, Walter
Wehtje, and Nick Komar.
---On May 11 at Rocky Mountain NP Sprague Lake, Robert Mocko reported Palm
Warbler, 2 Northern Goshawk, and Gray Jay.

---On May 8 at Clifton Nature Park, Ryan Claar reported Cattle Egret and
Black Phoebe.
---On May 10 at Jack’s Canyon, Eric DeFonso reported Grace’s Warbler.
---On May 11 at Horsethief Canyon SWA, David Price reported Western

---On May 11 at West Fork, Ben Bailey reported Wilson’s Warbler.

---On May 11 at Totten Reservoir, Coen Dexter and Brenda Wright reported
Sandhill Cane.
---On May 10 at McPhee Reservoir West End, Coen Dexter and Brenda Wright
reporter 27 Forster’s Terns. On May 11 at McPhee Reservoir West End, Coen
Dexter and Brenda Wright reported 1 Forster’s tern.
---On May 11 at Twin Lakes, Ryan Crouse reported 3 Gray jays.

---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, Broad-winged Hawk and Ovenbird. On May 10 at
Lamar Community College, Brandon Percival reported Worm-eating Warbler. On
May 11 at Lamar Community College, Joey Kellner, Kathy Mihm Dunning, and
Glenn Walbek reported 7 Mississippi Kites, Red-headed Woodpecker, Hooded
Warbler, 2 Northern Cardinals, Worm-eating Warbler, and Northern

---On May 9 at Mineral Palace Park, Van Truan reported Yellow-throated
Warbler. On May 11 at Mineral Palace Park, Van Truan and Darth Aves
reported Yellow-throated Warbler.
---On May 10 at Pueblo Reservoir Spillway, Darth Aves reported 2 f
Red-breasted Mergansers.
---On May 11 at Chico Basin Ranch headquarters area, Robb Hinds reported
Northern Waterthrush.

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

---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 11 at Crow Valley CG, Norm Lewis reported Common
---On May 9 at Nunn Woods where Lone Tree Creek corsses Nunn County Roads,
Gary Lefko reported Blue Grosbeak and Brown Thrasher.
---On May 11 at Lower Latham, Shawn Mason reported 2 Sandhill Cranes.

DFO Field Trips:
For details please visit the DFO website

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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