Compiler: Joyce Takamine
e-mail: RBA AT cobirds.org
Date: May 24, 2017
This is the Rare Bird Alert for Wednesday, May 24 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 changes.
Mute Swan (*Weld)
Mallard (Mexican) (Weld)
Northern Bobwhite (Kiowa)
Yellow-billed Cuckoo (*El Paso)
Chimney Swift (El Paso,*Kit Carson, Lincoln, *Logan, Washington, Weld, Yuma)
Sandhill Crane (Boulder, Logan)
Snowy Plover (Crowley, Kiowa, Larimer, *Weld)
Semipalmated Plover (Crowley, El Paso, Kiowa, *Weld)
Mountain Plover (Weld)
Upland Sandpiper (Logan)
Whimbel (Jefferson, Weld)
Long-billed Curlew (Denver, Weld)
Stilt Sandpiper (El Paso, Kiowa, Logan, Morgan, Weld)
Sanderling (Boulder, Douglas, Jefferson, Kiowa, *Kit Carson, Larimer, *Logan, *Weld)
White-rumped Sandpiper (El Paso, Kiowa, *Weld)
Pectoral Sandpiper (Crowley, *Weld)
Semipalmated Sandpiper (Crowley, Kiowa, La Plata, Lincoln, *Weld)
Solitary Sandpiper (Pueblo)
Green Heron (*Boulder, *Arapahoe)
Glossy Ibis (San Juan)
Mississippi Kite (*El Paso, Kiowa)
Broad-winged Hawk (*El Paso, Kit Carson, Prowers, Weld, Yuma)
Laughing Gull (Weld)
Caspian Tern (*Weld)
Red-headed Woodpecker (Bent, Cheyenne, El Paso, Kiowa, Kit Carson, Pueblo, *Sedgwick, Weld, Yuma)
Red-bellied Woodpecker (Bent, Weld)
Williamson's Sapsucker (Jefferson, Larimer, Pueblo)
ALDER FLYCATCHER (El Paso, Kit Carson)
Least Flycatcher (Bent,*Eagle, El Paso, Jefferson, Kit Carson, Moffat, *Sedgwick, Weld)
Gray Flycatcher (&Boulder,*Denver,*Jefferson, Larimer, *Weld)
Black Phoebe (Boulder)
Eastern Phoebe (Arapahoe, Boulder, Douglas, Pueblo)
Cassin's Kingbird (*Arapahoe, El Paso, Jefferson)
Scissor-tailed Flycatcher (Lincoln, Pueblo, Weld)
White-eyed Vireo (Pueblo)
Yellow-throated Vireo (Adams, Jefferson)
Chihuahuan Raven (Kiowa)
Purple Martin (Kiowa)
Gray-cheeked Thrush (Bent, Weld, Yuma)
Curve-billed Thrasher (Larimer)
Lapland Longspur (Jackson, Weld)
McCown's Longspur (Lincoln, *Weld)
Ovenbird (Arapahoe, *El Paso, Kit Carson, *Logan)
Northern Waterthrush (Chaffee, Cheyenne, El Paso, Kit Carson, Larimer, *Mineral, Washington)
Golden-winged Warbler (Jefferson)
Black-and-white Warbler (Jefferson, Pueblo)
SWAINSON'S WARBLER (Jefferson)
Nashville Warbler (Arapahoe, Boulder, Kit Carson)
Blackpoll Warbler (El Paso, Kit Carson, Pueblo, Weld)
Hooded Warbler (Bent, *Boulder, *Douglas, Jefferson)
Northern Parula (Adams, El Paso, Yuma)
Magnolia Warbler (Bent, Douglas, El Paso, Larimer, Washington, Weld)
Bay-breasted Warbler (El Paso)
Chestnut-sided Warbler (Weld)
Palm Warbler (Arapahoe)
Yellow-throated Warbler (Pueblo)
Grace's Warbler (*El Paso)
Black-throated Gray Warbler (Douglas, Jefferson, Mesa, Pueblo)
CANADA WARBLER (Douglas)
EASTERN TOWHEE (Kit Carson)
Canyon Towhee (El Paso)
Sagebrush Sparrow (Morgan)
Summer Tanager (La Plata)
Northern Cardinal (Prowers, Yuma)
Bobolink (*Denver, Jefferson, Pueblo, Rio Blanco)
Baltimore Oriole (El Paso, Pueblo, *Weld, Yuma)
ADAMS COUNTY:
---On May 21 at Metzer Farm Open Space, Matt Hofeditz reported Northern Parula.
---On May 22 at Barr Lake SP, Brian Johnson reported Yellow-throated Vireo.
ARAPAHOE COUNTY:
---On May 19 at Cherry Creek SP, Nancy Davis reported Ovenbird and Nashville Warbler. On May 23 at Cherry Creek SP Cottonwood Creek Wetlands, Ben Sampson reported Green Heron.
---On May 21 at Cherry Creek Valley Ecological Park, Cynthia Madsen and David Hill reported Palm Warbler.
---On May 23, David Suddjian and DFO field trip reported Cassin's Kingbirds at Richmil Open Space, CR 38 at East Bijou Creek, CR 42 Wall Road (I-70 to CR 245), CR 269 (Hwy 36 to CR 14).
BENT COUNTY:
---On May 19 at Melody Tempel Grove, David Dowell reported Red-headed Woodpecker, Red-bellied Woodpecker, Least Flycatcher, Gray-cheeked Thrush, Hooded Warbler. On May 21 at Melody Tempel Grove, Duane Nelson reported Hooded Warbler and Magnolia Warbler.
BOULDER COUNTY:
---On May 19 at Walden Ponds, Chuck Hundertmark and Peter Burke reported 2 Sanderlings (1 basic plumage, 1 alternate plumage). On May 21 at Walden Ponds, Blake B reported Black Phoebe on west side of Ricky Weiser wetland. On May 23 at Walden/Sawhill Ponds, Denise and Mark Vollmar reported Green Heron and Bewick's Wren.
---On May 20 in Louisville at N corner of Walnut Open Space, Jack Bushong reported Nashville Warbler.
---On May 20 at Izak Walton Park, Todd Deininger reported Eastern Phoebe.
---On May 21 at Carolyn Holmgren Preserve Rock Creek Farms, Chuck Hundertmark reported 4 Sandhill Cranes flying over.
---On May 21 at White Rocks Trail area, Peter Gent reported 4 Sandhill Cranes flying.
---On May 23 at COMET office, Bryan Guarente reported Gray Flycatcher.
---On May 23 on CU East Campus, Mark Minner-Lee reported f Hooded Warbler.
CHEYENNE COUNTY:
---On May 20 on CR 20 between CR L and CR K, Peter Burke reported Red-headed Woodpecker and Least Flycatcher.
---On May 21 at Kit Carson CR 9, Kara Carragher reported Northern Waterthrush.
DENVER COUNTY:
---On May 21 at Marston Reservoir, Ryan Claar reported Long-billed Curlew.
---On May 23 at TwinLake/Clear Creek Open Space, Mele Avery reported Bobolink.
---On May 23 at Bear Creek Park, Doug Kibbe reported Gray Flycatcher.
DOUGLAS COUNTY:
---On May 20 at Roxbourgh Open Space, Bea Weaver reported Magnolia Warbler. On May 21 at Roxbourgh Open Space, Scott Manwaring reported CANADA WARBLER and Black-throated Gray Warbler. On May 23 at Roxborough Open Space, Bea Weaver reported Hooded Warbler.
---On May 23 at Parker Regional Park/Salibury Equestrian Park, Chris Gilbert reported Cassin's Kingbird.
EAGLE COUNTY:
---On May 23 at Gypsum Ponds, JoAnn Riggle reported Least Flycatcher.
EL PASO COUNTY:
---On May 18 at Clear Spring Ranch, Steve Brown banded Least Flycatcher and 2 Northern Waterthrush. On May 21, Steve Brown banded an ALDER FLYCATCHER and another Northern Waterthrush at Clear Spring Ranch. On May 22, Steve Brown Banded 2 ALDER FLYCATCHES at Clear Spring Ranch.
---On May 20 at Chico Basin, Jeannie Mitchell and John Drummond reported Blackpoll Warbler. On May 21 at Chico Basin Ranch, Bob Spencer reported Red-headed Woodpecker and Canyon Towhee.
---On May 21 at Ramah Reservoir SWA, Robb Hinds reported 2 Semipalmated Plovers, Stilt Sandpiper, and Red-headed Woodpecker. On May 22 at Ramah Reservoir SWA, Kyle Hawley, David Tonnessen, and John Drummond reported 2 Semipalmated Plover, 1 Stilt Sandpiper, 4 White-rumped Sandpipers, and Red-headed Woodpecker.
---On May 19 across from Hanover fire station, Bill Maynard reported m Magnolia Warbler.
---On May 20 at Cheyenne Mountain SP, Debbie Barnes reported 6 Ovenbirds and singing Grace's Warbler. On May 21 at Cheyenne Mountain SP, Tyler Stuart and Kara Carragher reported Grace's Warbler. On May 22 at Cheyenne Mountain SP, Linda Hodges and several other birders reported Grace's Warbler. On May 23 at Cheyenne Mountain SP, Grace's Warbler was reported by David Tonnessen, Caleb and Kyle Hawley.
---On May 20 in Aiken Canyon, John Bruder reported Bewick's Wren.
---On May 21 at Fountain Creek Regional Park, Tyler Stuart reported singing Bay-breasted Warbler and singing Blackpoll Warbler in Warbler Alley. The Bay-breasted was seen by many birders. On May 21 at Fountain Creek Regional Park, John Bruder reported Mississippi Kite. On May 21 at Fountain Creek Regional Park, David Tonnessen reported Yellow-billed Cuckoo. On May 22 at Fountain Creek Regional Park, Linda Hodges and many other birders reported Yellow-billed Cuckoo. On May 23 at Fountain Creek Regional Park, Yellow-billed Cuckoo was reported by Tim Leppek, Caleb and Kyle Hawley, Richard Bunn, and Chris Brobin.
---On May 21 on Vine St in Fountain, Kara Carragher reported 3 Mississippi Kites.
---On May 23 at Adams Open Space in Fountain, Chris Gilbert reported Broad-winged Hawk, 2 Mississippi Kites, and Ovenbird.
JEFFERSON COUNTY:
--- On May 21 at Chatfield Banding Station, Meredith McBurney banded Least Flycatcher and Black-and-white Warbler.
---On May 18 at South Valley Park Mann Reservoir, David Suddjian reported Cassin's Kingbird.
---On May 19 at Chatfield SP Swim Beach, Phil Lyon reported 2 Sandering.
---On May 19 at Main Reservoir in Lakewood, Glenn Walbek reported Hooded Warbler; Tom and Debbie Behnfield, Frank Farrell, and Aaron Shipe reported Whimbrel. On May 20 at Main Reservoir, Fank Farrel, Dean Shoup, Scott Somershoe, Yvonne Parrot, Norm Lewis, and Phil Lyon reported Hooded Warbler.
---On May 19 at Arvada Blunn Reservoir, Aaron Shipe reported 3 Sandlering and SWAINSON'S WARBLER; Art Hudak reported Sanderling. On May 20 at Blunn Reservoir, Dean Shoup reported Bobolink.
---On May 20 at Bear Creek SP, Evergreen Audubon, JoAnn Hackos, and Chuck Aid reported singing Bobolink at top of Cottonwood at Pelican Point parking lot.
---On May 20 at Chatfield SP Swim Beach, Maikel and Susan Wise and Luke Pheneger reported Yellow-throated Vireo.
---On May 20 at Ketner Reservoir in Westminster, Ray Sperger reported f Yellow-winged Warbler on the north side of Open space.
---On May 22 at Waterton Canyon from Waterton Road to overhead pipes, David Suddjian reported Gray Flaycatcher, Yellow-throated Vireo, and Black-throated Gray Warbler.
---On May 22 at S Deer Creek Canyon Rd, 2.2 m from Deer Creek Road, David Suddjian reported Williamson's Sapsucker.
---On May 22 at Belmar Park, Kim Mauritz reported Gray Flycatcher.
---On May 23 at St Anthony Hospital McIntyre Gulch, Scott Somershoe reported Gray Flycatcher.
KIOWA COUNTY:
---On May 18 at Neenoshe Reseervoir, Jacob Drucker reported 2 Northern Bobwhites, Black-bellied Plover, 12 Snowy Plover, 11 Stilt Sandpipers, 12 White-rumped Sandpipers, 6 Semipalmated Sandpipers, Red-headed Woodpecker, 2 Purple Martins and Chihuahuan Raven. The Purple Martins are a new county bird for Kiowa. On May 20 at Neenoshe Reservoir, Jacob Drucker reported Black-bellied Plover, 6 Snowy Plovers, 300 Stilt Sandpipers, 6 Sanderling, 6 White-rumped Sandpipers, 4 Semipalmated Sandpipers, and 4 Red-headed Woodpeckers.
---On May 21 in Eads, Jacob Drucker reported Mississippi Kite.
KIT CARSON COUNTY:
--- On May 18 at Flagler Reservoir SWA, Glenn Walbek reported juv Broad-winged Hawk and f EASTERN TOHWEE. On May 19 at Flagler Reservoir SWA, Dean Shoup reported f EASTERN TOWHEE. On May 20 at Flagler Reservoir SWA, Kara Carragher reported imm Broad-winged Hawk, Red-headed Woodpecker, and Nashville Warbler. On May 21 at Flagler Reservoir SWA, Kara Carragher reported 4 Red-headed Woodpeckers, 2 ALDER FLYCATCHERS, Least Flycatcher, Ovenbird, 8 Northern Waterthrush, Nashville Warbler, Blackpoll Warbler.
---On May 23 at Burlington Water Treatment Plant, Eric Hough reported Sanderling and 60 Chimney Swifts.
LARIMER COUNTY:
---On May 19 at Cobb Lake, CR 56 in Wellington, Austin Hess, David Wade, and Nick Komar reported Snowy Plover and Sandlering. On May 20 at Cobb Lake, Nick Komar, David Wade and Walter Wehtje reported Snowy Plover.
---On May 20 on Blue Spruce Dr, Bellvue, Keven Joblonski reported Curve-billed Thrasher. On May 21 on Blue Spruce Drive in Bellvue, Keven Joblonski and Sean Walters reported Cuve-billed Thrasher.
---On May 21 at Estes Park, John Oliver reported Magnolia Warbler along Riverwalk behind Kind Coffee.
---On May 21 at Salyer, McMurry and Magpie Meander Natural Areas, Nick Komar reported Gray Flycatcher.
---On May 21 at Lee Martinez Park, Robert Beauchamp, Nick Komar, David Wade and Austin Hess reported Magnolia Warbler.
---On May 22 on Spring Creek Trail just east of Spring Canyon Park, Brad Biggerstaff reported Northern Waterthrush.
LINCOLN COUNTY:
---On May 20 in Genoa, Kara Carragher reported Semipalmated Sandpiper, Chimney Swift, and McCown's Longspur.
---On May 21 on CR 3 between CR K and CR M, Kara Carragher reported f Scissor-tailed Flycatcher.
LOGAN COUNTY:
---On May 20 on CR 93 N of Hwy 138, Judith Henderson reported Sandhill Crane.
---On May 21 on CR 85 N of US 139, Bill Kaempfer reported Upland Sandpiper.
---On May 21 on CR 310 Pond, Dean Shoup reported Stilt Sandpiper.
---On May 23 at Jumbo Reservoir, Cole Wolf reported 3 Sanderling, Chimney Swift, and Ovenbird.
MINERAL COUNTY:
---On May 23 at Creed sewage ponds, Roger Linfield reported Northern Waterthrush.
MOFFAT COUNTY:
---On May 21 at Loudy Simpson Nature Trail, Jan Leonard reported Least Flycatcher.
MORGAN COUNTY:
---On May 21 on CR II between CR 32 and CR 34, Gwen Moore reported Stilt Sandpiper and Sagebrush Sparrow.
PROWERS COUNTY:
---On May 20 at Lamar Community College, Janeal Thompson reported juv Broad-winged Hawk and 3 Northern Cardinals.
PUEBLO COUNTY:
---On May 19 at Mineral Palace Park, Van Truan, Dale and Joel Adams reported Yellow-throated Warbler. On May 22, Van Truan and Brandon Percival reported Yellow-throated Warbler at Mineral Palace Park.
---On May 17 at Chico Basin Ranch headquarters area, Brandon Percival reported singing White-eye Vireo, f Black-throated Gray Warbler, and f Baltimore Oriole. On May 19 at Chico Basin Ranch, Rob Hinds reported Bobolink; Joel Adams reported Solitary Sandpiper, Red-headed Woodpecker, Blackpoll Warbler and f Baltimore Oriole. On May 18 in Chico Basin alfalfa fields, Rob Hinds and several other birders reported Bobolink. On May 20 at Chico Basin south of Rose Pond, Renee
Casias reported Scissor-tailed Flycatcher and 2 Eastern Phoebe. Many birders got to see the Scissor-tail.
On May 20 Jeannie Mitchell and John Drummond reported 3 Red-headed Woodpekcers and Bobolinks at Chico Basin Ranch. On May 21 at Chico Basin Ranch, Brandon Percival and Bob Spencer reported Scissor-tailed Flycatcher.
---On May 19, at Osprey Picnic Area in Rock Canyon below Pueblo Reservoir dam, Brandon Percival reported singing m Black-and-white Warbler.
SAN JUAN COUNTY:
---On May 22 at Silverton sewage ponds, Roger Linfield reported Glossy Ibis.
SEDGWICK COUNTY:
---On May 23 at Sand Draw SWA, Cole Wolf reported 2 Red-headed Woodpeckers and Least Flycatcher.
WASHINGTON COUNTY:
---On May 18 at Akron Golf Course, Bill Kaempfer reported Northern Waterthrush. On May 19 at Akron Golf Course, Dean Shoup reported 2 Northern Waterthrush.
---On May 20 at Last Chance Rest Area, Glenn Walbek reported Magnolia Warbler. On May 21 at Last Chance, Dean Shoup et al reported 3 Chimney Swift and Magnolia Warbler.
WELD COUNTY:
--- On May 24 at Stewart's Pond, Steve Mlodinow reported Mute Swan, 2 White-rumped Sandpipers, Pectoral Sandpiper, and Semipalmated Sandpiper.
---On May 20 at Crow Valley CG, Nick Moore reported 4 Least Flycatchers, Chestnut-sided Warbler and Blackpoll Warbler; Thomas Holub reported Magnolia Warbler; Jason Gregg reported Magnolia and Chestnut-sided Warbler; and Judith Henderson reported 2 Least Flycatchers and Gray-cheeked Thrush. On May 21 at Crow Valley CG, Art Hudak and Mark Chavez reported Red-headed Woodpecker, 2 Least Flycatchers, Chestnut-sided Warbler, and Blackpoll Warbler; and Gwen Moore reported Gray Flycatcher. On May 21 at Crow Valley CG, Dean Shoup et al reported 2 Red-headed Woodpeckers, 2 Least Flycatchers, Gray-cheeked Thrush, and Blackpoll Warbler. On May 22 at Crow Valley CG, Frank Farrel and Bill Eley reported Gray Flycatcher and Chestnut-sided Warbler.
--- On May 18 at Union Reservoir, Nick Moore reported Snowy Plover and Steve Mlodinow reported 2 Snowy Plover and Semipalmated Sandpiper. On May 19 at Union Reservoir, Steve Mlodinow and several other birders reported Snowy Plover, Long-billed Curlew, Whimbrel, 51 Sanderlings, 4 Stilt Sandpipers, 3 White-rumped Sandpipers, Semipalmated Sandpiper, and 1st year male Baltimore Oriole. On May 20 at Union Reservoir, Steve Mlodinow reported Long-billed Curlew, 2 Stilt Sandpipers, 81 Sanderling, 2 White-rumped Sandpipers, and Semipalmated Sandpiper; Rebecca Groeser reported Caspian Tern, 3 Stilt Sandpipers, and 34 Sanderling. On May 21 at Union Reservoir, Susan Rosine reported Snowy Plover and 2 Caspian Terns. On May 22 at Union Reservoir north shore, Thomas Heinrich and Todd Deininger reported 2 Snowy Plovers, 7 Sanderlings, and 2 Caspian Terns. On May 23 at Union Reservoir, Sue Riffe reported 2 White-rumped Sandpipers and 2 Caspian Terns; Randy Siebert reported Semipalmated Sandpiper, 2 Sandering, Semipalmated Sandpiper, and 2 Caspian Terns; Steve Mlodinow reported Snowy Plover, 43 Sandlering, 2 Caspian Terns, and Baltimore Oriole.
---On May 20 at Firestone Gravel Pit (view from road), Steve Mlodinow reported 2 Caspian Terns.
---On May 20 at Lone Tree Creek, CR 110, Gary Lefko reported Mountain Plover.
---On May 20 in downtown Greeley, Gark Lefko reported Chimney Swifts.
---On May 21 at CR 94 and CR 63, Norma Erickson reported Scissor-tailed Flycatcher.
---On May 23 at Pawnee NG Murphis Pasture area and auto tour stops 2 and 3, JoAnn Hackos reported 2 McCown's Longspurs.
YUMA COUNTY:
---On May 18 at Stalker Pond in Wray, Bill Kaempfer reported 2 Baltimore Orioles. On May 22 at Stalker Pond, Steve Mlodinow reported Broad-winged Hawk, 20 Chimney Swifts, 4 Northern Cardinals, and 5
Baltimore Orioles.
---On May 22 at windbreak at CR 51/US 385, Steve Mlodinow reported 3 Red-headed Woodpeckers, Gray-cheeked Thrush, Northern Parula and Baltimore Oriole.
Denver Field Ornithologists Field Trips:
The DFO Field Trip for Wednesday, May 24 will be to Chatfield SP led by David Suddjian. This trip is full
The DFO Field Trip for Friday, May 26 will be to Deer Creek Canyon will be led by David Suddjian (dsuddjian AT gmail.com; 831-713-8659)
The DFO Field Trip for Friday, May 26 from Sedalia to Cheesman for Woodpeckers led by Paul Slingsby.
This trip is full.
The DFO Field Trip for Saturday, May 27 to Meyer Ranch Park led by Karen Dfrozda. This trip is full.
The DFO Field Trip for Saturday, May 27 to Meyers Homestead Trail, Walk Ranch led by Paul Hansley (plhansley AT gmail.com; 720-890-2628)
The DFO Field Trip for Sunday, May 28 will be to Beaver Brooke Trail led by Paul Slingsby (paslingsby AT Comcast.net; 303-422-3728)
The DFO Field Trip for Sunday, May 28 will be to Marjorie Perry Nature Reserve led by Pratyaydipta Rudra and Sreemala Das Majumder (pratyayr AT gmail.com; 919-699-4043)
The DFO Field Trip for Sunday, May 28 will be to Pinecliffe/Rollinsville/Moffat Tunnel East Portal led by Gregg Goodrich (GreggGoodrich AT gmail.com; 303-655-9135)
The DFO Field Trip for Monday, May 29 will be to Barr Lake SP led by Chuck Hundertmark (chundertmark8 AT gmail.com; 303-604-0531)
For more information on the field trips go to dfobirds.org.
Good Birding,
Joyce Takamine
Boulder
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