Compiler: Joyce Takamine
e-mail: RBA AT cobirds.org
Date: September 5, 2017
This is the Rare Bird Alert for Tuesday, September 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 changes.
Cackling Goose (Larimer)
Bufflehead (Custer)
Gunnison Sage-Grouse (Mesa)
Wild Turkey (Baca, *Denver)
Horned Grebe (Park)
White-winged Dove (Prowers)
Yellow-billed Cuckoo (Baca)
Greater Roadrunner (Baca, El Paso, Kiowa)
Black Swift (Boulder, Pueblo)
Chimney Swift (Prowers)
Sandhill Crane (Montezuma, *Routt, Weld)
Snowy Plover (Alamosa)
Upland Sandpiper (Baca, *El Paso, Yuma)
Stilt Sandpiper (Jefferson)
Sanderling (*Larimer, Washington)
Pectoral Sandpiper (*El Paso)
Semipalmated Sandpiper (*El Paso)
Solitary Sandpiper (Boulder, Douglas, El Paso, Jefferson, Larimer, *San
Miguel)
LONG-TAILED JAEGER (*Park)
Sabine’s Gull (Arapahoe, *Custer, *Douglas)
Lesser Black-backed Gull (*Douglas, Jefferson)
Caspian Tern (Washington)
Black Tern (Kiowa, Larimer, Morgan)
Common Tern (Larimer, Park)
Common Loon (Kiowa, Ouray)
Mississippi Kite (Baca, El Paso, Prowers)
Broad-winged Hawk (Baca)
Red-headed Woodpecker (Arapahoe, Cheyenne, Yuma)
Red-belllied Woodpecker (Yuma)
Williamson’s Sapsucker (*Gilpin, *El Paso, *Larimer, Mesa)
Ladder-backed Woodpecker (*El Paso, Pueblo)
American Three-toed Woodpecker (Boulder, Gunnison. *Larimer)
Northern Flicker (Boulder)
Merlin (Pueblo)
Least Flycatcher (Baca, *El Paso, Weld)
Gray Flycatcher (Adams, Montrose)
Black Phoebe (Jefferson)
Eastern Phoebe (Adams, Baca, Douglas, *Jefferson)
Great Crested Flycatcher (Baca)
Cassin’s Kingbird (*Lincoln, *Montezuma)
Blue-headed Vireo (Baca, Pueblo)
Red-eyed Vireo (El Paso)
Chihuahuan Raven (El Paso)
Purple Martin (Prowers)
Blue-gray Gnatcatcher (Baca, *Weld)
Curve-billed Thrasher (*El Paso)
Evening Grosbeak (Kiowa)
McCown’s Longspur (Weld)
Ovenbird (Baca, Bent, *Weld)
Blue-winged Warbler (*Weld)
Black-and-white Warbler (Boulder, *El Paso, *Weld)
Tennessee Warbler (Baca)
Nashville Warbler (Baca)
American Redstart (Baca, La Plata, *Weld)
Magnolia Warbler (Larimer)
Chestnut-sided Warbler (Baca)
Blackpoll Warbler (Adams)
Cassin’s Sparrow (*Lincoln)
Clay-colored Sparrow (Adams, *Arapahoe, Baca, Denver, *Douglas, Eagle, *El
Paso, *Jefferson, *Lincoln, Weld)
Brewer’s Sparrow (Adams, Denver, *El Paso, *Lincoln, Pueblo)
Lark Bunting (*Lincoln, *Weld)
Fox Sparrow (San Juan)
Dickcissel (Cheyenne, *El Paso, Pueblo)
Bobolink (Boulder)
Baltimore Oriole (Cheyenne, Yuma)
ADAMS COUNTY:
---On September 2 at Barr Lake, Meredith McBurnery reported banding
Blackpoll Warbler and Clay-colored Sparrow.
---On September 2 at Rocky Mountain Arsenal NWR, Rebecca Laroche and her
DFO Field Trip reported
Gray Flycatcher, 4 Clay-colored Sparrows, and 8 Brewer’s Sparrows. On
September 3 at Rocky Mountain Arsenal NWR Bluestem Loop Trail, Dave
Fundakowski reported 4 Eastern Phoebe.
ALAMOSA COUNTY:
--- On September 3 at Blanca Wetlands NWR, JoAnn Riggle reported Snowy
Plover.
ARAPHAOE COUNTY:
---On September 1 at Aurora Reservoir, David Suddjian and his DFO Field
Trip reported juv Sabine’s Gull.
---On September 2 at Plains Conservation Center, Karen Metz reported
Red-headed Woodpecker.
---On September 4 at Cherry Creek SP Pelican Point, Ben Sampson reported
Clay-colored Sparrow.
BACA COUNTY:
---On September 3 in town of Walsh, Steve Mlodinow reported Mississippi
Kite.
---On September 3 at Turk’s Pond SWA, Steve Mlodinow and David Dowell
reported Broad-winged Hawk, American Redstart, and 5 Clay-colored Sparrows.
---On September 3 at Two Buttes SWA below the dam, Steve Mlodinow and David
Dowell reported Wild Turkey, Upland Sandpiper, 3 Greater Roadrunners,
Yellow-billed Cuckoo, Least Flycatcher, Eastern Phoebe, Blue-headed Vireo,
Blue-gray Gnatcatcher, 3 American Redstart, 3 Chestnut-sided Warblers,
Ovenbird, Tennessee Warbler, and Nashville Warbler.
BENT COUNTY:
---On September 2 at Tempel Grove, Duane Nelson and Norma Verhoeff reported
Ovenbird below the bench.
BOULDER COUNTY:
---On September 2 at Walden/Sawhill Ponds, Willem van Vliet reported
Solitary Sandpiper.
---On September 2 at Twin Lakes in Boulder, Wilem van Vliet reported
Yellow-shafted Flicker.
---On September 2 on South Boulder Creek Trail, Joe Luedtke reported
Black-and-white Warbler.
---On September 3 at Rocky Mountain NP Ouzel Falls, Aaron and Emil Yappert
reported 4 Black Swifts (1 on nest, 3 flying) and American Three-toed
Woodpecker.
CHEYENNE COUNTY:
---On September 1 on R J between CR 24 and CR 31, Steve Mlodinow reported 5
Red-headed Woodpeckers, Dickcissel and pair of Baltimore Orioles.
CUSTER COUNTY:
---On September 3 at Lake DeWeese, Cheryl Teuton and Dan Brooke reported m
Bufflehead and juv Sabine’s Gull. On Septmeber 4 at Lake DeWeese, Brandon
Percival reported juv Sabine’s Gull.
DENVER COUNTY:
---On September 2 at Bluff Lake Nature Center Jason Bidgood reported Wild
Turkey, 2 Clay-colored Sparrows and Brewer’s Sparrow. On Septmeber 4 at
Bluff Lake NC, Chris Rurik and his DFO Field Trip reported Wild Turkey.
DOUGLAS COUNTY:
---On September 1 at Chatfield SP Gazebo Heronry Overlook, Isaiah McCort
reported Solitary Sandpiper and Eastern Phoebe. On September 3 at
Chatfield SP Marina Sandspit, Joey Kellner reported sub-ad Lesser
Black-backed Gull and juv Sabine’s Gull; Myron Gerhard reported 2 Sabine’s
Gulls. On September 4 at Chatfield SP Marina Sandspit, Bez Bezuidenhout
reported 2 Sabine’s Gulls, Lesser Black-backed Gull and 3 Clay-colored
Sparrows; Art Hudak reported Lesser Black-backed Gull.
EL PASO COUNTY:
---On September 1 at Fountain Creek regional Park Nature Center/Cattail
Marsh Area, Michael Doseck, David and Cheryl Hubbard reported 2 Mississippi
Kites.
--- On September 1 at Clear Spring Ranch, Steve Brown reported banding ad
Red-eyed Vireo, ad Clay-colored Sparrow, and ad Brewer’s Sparrow. On
September 4 at Clear Spring Rnach, Steve Brown reported Least Flycatcher
and ad Clay-colored Sparrow.
---On September 2 at Chico Basin Ranch (fee area), David Tonnessen reported
Ladder-backed Woodpecker, 2 Least Flycatchers, 2 Curve-billed Thrashers, 2
Clay-colored Sparrows, and 5 Brewer’s Sparrows. On September 4 at Chico
Basin Ranch, Monday Birders reported Upland Sandpiper, f Williamson’s
Sapsucker, 2 Ladder-backed Woodpeckers, Curve-billed Thrasher, f
Black-and-white Warbler, 6 Clay-colored Sparrows, 14 Brewer’s Sparrows and
3 Dickcissel. On September 4 at Chico Basin ranch, Aaron Yappert reported
Curve-billed Thrasher, Black-and-white Warbler, and 2 Clay-colored Sparrows.
---On September 2 on Hanover Road, David Tonnessen reported Greater
Roadrunner, Chihuahuan Raven, Clay-colored Sparrow, and 6 Brewer’s Sparrows.
---On September 4 at Ramah Reservoir SWA, Rob Hinds reported 2 Pectoral
Sandpipers and Semipalmated Sandpiper.
GILPIN COUNTY:
---On September 4 at Golden Gate Canyon SP , Andrew Fontenot reported f
Williamson’s Sapsucker near beginning of Horseshoe Trail.
JEFFERSON COUNTY:
---On September 1 at Chatfield SP, Matt Clark reported Semipalmated
Sandpiper, 4 Solitary Sandpipers,
Lesser Black-backed Gull at Swim Beach, Black Phoebe at Deer Creek NW of
Swim Beach, Eastern Phoebe. On September 2 at Chatfield SP, Thomas Holub
reported Black Phoebe at Swim Beach and Phil Lyon reported Black and
Eastern Phoebe at Swim Beach. On September 3 at Chatfield SP, Joey Kellner
reported Black Phoebe N of Swim Beach and Brian Johnson reported Black and
Eastern Phoebe at Swim Beach. On September 3 at Chatfield SP, Aaron Shipe
reported Solitary Sandpiper and Lesser Black-backed Gull. On September 4
at Chatfield SP Swim Beach, Pablo Quezada reported Eastern Phoebe.
---On September 4 at Harriman Lake Park, Brian Johnson reported 3
Clay-colored Sparrows.
KIOWA COUNTY:
---On September 3 at Adobe Creek Reservoir (Blue Lake), Steve Mlodinow
reported Greater Roadrunner and Black Tern.
LA PLATA COUNTY:
---On September 2 on Animas River trail behind 4 Corners Riversports, Jason
St. Pierre reported f-type American Redstart.
LARIMER COUNTY:
---On September 2 at Timnath Reservoir, Nick Komar and Austin Hess reported
6 Cackling Geese, Solitary Sandpiper, and 5 Black Terns.
---On September 3 in Rocky Mountain NP Upper Beaver Meadows, Luke Pheneger
reported juv Magnolia Warbler in restoration area north of parking lot.
---On September 2 in Rocky Mountain NP Hollowell Park, Luke and Tracy
Pheneger reported American Three-toed Woodpecker and Williamson’s Sapsucker.
---On September 2 Rocky Mountain NP Bear Lake, Luke Pheneger reported
American Three-toed Woodpecker.
---On September 3 at Lake Estes, Luke Pheneger reported Sanderling and 2
Semipalmated Sandpipers.
---On September 3 at Rocky Mountain NP Endovalley, Luke Pheneger reported
American Three-toed Woodpecker.
LINCOLN COUNTY:
---On CR 11, CRM north, Steve Mlodinow reported Cassin’s Kingbird, 2
Cassin’s Sparrows, 24 Clay-colored Sparrows, 2 Brewer’s Sparrows and 5 Lark
Buntings.
MESA COUNTY:
---On September 2 on Pinyon Mesa, Denise and Mark Vollmar reported Gunnison
Sage-Grouse and Williamson’s Sapsucker.
MONTEZUMA COUNTY:
---On September 3 at Totten Reservoir, Jason St. Pierre reported 2 Sandhill
Cranes east of boat launch.
---On September 4 at Mesa Verde NP Wetherill Mesa, Stanton Hunter reported
Cassin’s Kingbird.
PARK COUNTY:
---On September 3 at Antero Reservoir, Loch Kilpatrick and Glenn Walbek
reported 10 Horned Grebes and LONG-TAILED JAEGER. On September 4 at Antero
Reservoir, Joel Adams reported LONG-TAILED JAEGER.
---On September 3 at Eleven Mile Reservoir, Loch Kilpatrick and Glenn
Walbek reported Common Loon and 2 Horned Grebes.
PROWERS COUNTY:
---On September 2 at Lamar Community College Woods north end, Dave
Leatherman reported Great Crested Flycatcher, f-type Purple Martin, and a
few Mississippi Kites.
PUEBLO COUNTY:
---On September 2 in Colorado City, Dave Silverman and Brandon Percival
reported 3 Black Swifts at Lake Beckwith and Brandon reported Dickcissel
behind TruValue Hardware.
---On September 2 at Chico Basin Ranch, Rose Pond area, Robb Hinds reported
4 Ladder-backed Woodpeckers, Blue-headed Vireo, and 5 Brewer’s Sparrows.
ROUTT COUNTY:
---On September 4 at Morgan Bottoms Rd, Ted Floyd reported a “plenitude” of
Sandhill Cranes.
SAN MIGUEL COUNTY:
---On September 2 at Wright’s Mesa Farm ponds east of Norwood, George
Steele reported Solitary Sandpiper.
---On September 4 at Snyder’s Pond, George Steel reported Solitary
Sandpiper.
---On September 4 at CR 44Znorht farm pond, Eric Hynes reported Solitary
Sandpiper.
WELD COUNTY:
---On September 2 at Crow Valley CG, Chris Goulart reported Least
Flycatcher.
---On September 3 at Norma’s Grove, Gene Rutherford reported 2 Sandhill
Cranes (flyover), Least Flycatcher, McCown’s Longspur in field east of
grove, north side, Blue-gray Gnatcatcher, 3 American Redstart (1 hatch yr
m, 2 f), 5 Clay-colored Sparrows, 8 Lark Bunting. On September 4 at
Norma’s Grove, Gene Rutherford reported Blue-gray Gnatcatcher, Ovenbird, m
Blue-winged Warbler, hatch yr Black-and-white Warbler, 2 American Redstarts
(f, hatch year m) and 2 Lark Buntins.
YUMA COUNTY:
---On September 1 at Hale Ponds, Steve Mlodinow reported Upland Sandpiper,
6 Red-headed Woodpeckers, 3 Red-breasted Woodpeckers, 3 Least Flycatchers,
9 Clay-colored Sparrows, 2 Brewer’s Blackbirds, 5 Baltimore Orioles.
Denver Field Ornithologists Field Trips:
The DFO Field Trip for Wednesday, September 6 will be to Ken Caryl Valley
Area led by David Suddjian (dsuddjian AT gmail.com; 831-713-8659) This
trip is full
The DFO Field Trip for Thursday, September 7 will be to Ouzel Falls in
Rocky Mountain National Park led by Bill Wuerthele (wuerthel AT ecentral.com;
303-333-2419) This trip is full.
The DFO Field Trip for Saturday, September 9 will be to Joder Ranch led by
Chuck Hundertmark (chundertmark8 AT gmail.com; 303-604-0531) From US 36 on
north side of Boulder, take Lee Hill Drive west. After the road turns
north stay right onto Old Stage Road. At stop sign at Lefthad Canyon Drive
go straight and immediately turn into Buckingham Park Parking lot. Meet at
0730.
This is a moderate to difficult half-day hike of 4 miles. Bring water,
sunscreen, and snacks. Register online or contact leader.
The DFO Field Trip for Sunday, September 10 will be to Cherry Creek SP
Wetlands Loop led by Karen von Saltza and Bill Wuerthele (kvonsaltza AT
yahoo.com; 303-941-4881). Meet at 0800 at Prairie Loop lot Cherry Creek
Sp. From either park entrance, follow Lake View Rd to the Prairie Loop
that is located at the south rim of the reservoir. State Parks pass or day
pass required.
This is a half-day of walking that passes through most of the
important habitats found in the park over a distance of about 3 miles.
Trails could be slippery or muddy. Bring water and snacks; lunch is
optional. Beginning birders are welcome.
For more information on the field trips go to dfobirds.org.
Good Birding,
Joyce Takamine
Boulder
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