Compiler: Joyce Takamine
e-mail: RBA AT cobirds.org
Date: September 4, 2017
This is the Rare Bird Alert for Monday, September 4 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)
Wood Duck (Costilla)
Bufflehead (*Custer)
Gunnison Sage-Grouse (Gunnison, Mesa)
Wild Turkey (*Baca, Denver)
Horned Grebe (*Park)
White-winged Dove (Prowers)
Yellow-billed Cuckoo (*Baca, Bent)
Greater Roadrunner (*Baca, El Paso, *Kiowa)
Black Swift (Alamosa, *Boulder, Pueblo)
Chimney Swift (Prowers)
Sandhill Crane (Costilla, *Montezuma, Morgan, Saguache, *Weld)
Black-necked Stilt (Alamosa)
Snowy Plover (*Alamosa)
Semipalmated Plover (Washington)
Upland Sandpiper (*Baca, Washington, Yuma)
Long-billed Curlew (Morgan)
Stilt Sandpiper (Jefferson, Washington)
Sandering (Washington)
Pectoral Sandpiper (Washington)
Semipalmated Sandpiper (Washington)
Solitary Sandpiper (Alamosa, Boulder, Douglas, El Paso, *Jefferson,
Larimer, Mesa, San Miguel, ‘Washington)
LONG-TAILED JAEGER (*Park)
Sabine’s Gull (Arapahoe, *Custer, *Douglas)
Mew Gull (Larimer)
Lesser Black-backed Gull (*Douglas, *Jefferson)
Caspian Tern (Larimer, Morgan, Washington)
Black Tern (*Kiowa, Larimer, Morgan, Washington)
Common Tern (Alamosa, Larimer, *Park, Washington)
Common Loon (Kiowa, Ouray)
Cattle Egret (Washington)
Mississippi Kite (Adams, *Baca, El Paso, Prowers)
Broad-winged Hawk (*Baca, Moffat)
Lewis’s Woodpecker (La Plata)
Red-headed Woodpecker (Arapahoe, Cheyenne, Washington, Yuma)
Red-belllied Woodpecker (Yuma)
Williamson’s Sapsucker (Mesa)
Ladder-backed Woodpecker (El Paso, Pueblo)
American Three-toed Woodpecker (*Boulder, Gunnison)
Northern Flicker (Boulder)
Merlin (Pueblo, Washington)
Least Flycatcher (*Baca, El Paso, *Weld)
Gray Flycatcher (Adams, Alamosa, Montrose)
Black Phoebe (*Jefferson)
Eastern Phoebe (*Adams, *Baca, Douglas, Jefferson)
Great Crested Flycatcher (*Baca, Bent, Washington, Yuma)
Blue-headed Vireo (*Baca, Pueblo)
Red-eyed Vireo (El Paso, Washington)
Chihuahuan Raven (El Paso)
Purple Martin (Prowers)
Blue-gray Gnatcatcher (Alamosa, *Baca, *Weld, Yuma)
Curve-billed Thrasher (El Paso)
Red Crossbill (La Plata, Larimer)
Evening Grosbeak (Kiowa, La Plata)
McCown’s Longspur (*Weld)
Ovenbird (*Baca, Bent)
Northern Waterthrush (Mesa)
Black-and-white Warbler (Bent, Boulder)
Tennessee Warbler (*Baca)
Nashville Warbler (*Baca, Mesa)
American Redstart (*Baca, La Plata, *Weld)
Magnolia Warbler (*Larimer)
Chestnut-sided Warbler (*Baca)
Blackpoll Warbler (Adams)
Clay-colored Sparrow (Adams, *Baca. Denver, Eagle, El Paso, Washington,
*Weld, Yuma)
Brewer’s Sparrow (Adams, Alamosa, Denver, El Paso, Ouray, Pueblo,
Washington)
Lark Bunting (Gunnison, *Weld, Yuma)
Fox Sparrow (San Juan)
Dickcissel (Cheyenne, Morgan, Pueblo, Yuma)
Bobolink (Boulder)
Baltimore Oriole (Bent, Cheyenne, Morgan, Yuma)
ADAMS COUNTY:
---On August 30 at Barr Lake Banding Station, Meredith McBurney banded a
Clay-colored Sparrow. On September 2 at Barr Lake, Meredith McBurnery
reported banding Blackpoll Warbler and Clay-colored Sparrow.
---On August 31 at Adams County 88th Ave Open Space, Neil Reinecke reported
Mississippi Kite.
---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 August 28 at Blanca Wetlands NWR, David Dowell reported 16
Black-necked Stilts, 4 Snowy Plovers at watchable wildlife, and 7 Brewer’s
Sparrows. On September 3 at Blanca Wetlands NWR, JoAnn Riggle reported
Snowy Plover.
---On August 26 at San Luis Lakes SP, Steve Mlodinow reported Solitary
Sandpiper and Common Tern.
---On August 30 at Zapata Falls, Greg Levandoski reported 16 Black Swifts,
Gray Flycatcher, and Blue-gray Gnatcatcher.
---On August 30 at Zapata Campground Loop, Greg Levandoski reported 5 Gray
Flycatchers, 2 Blue-gray Gnatcatchers.
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.
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 August 30 at Van’s Grove, Duane Nelson reported Black-and-white
Warbler, Great Crested Flycatcher, and Yellow-billed Cuckoo.
---On August 30 at Clayton Grove (north side of John Martin Reservoir),
Duane Nelson reported Yellow-billed Cuckoo.
---On August 30 at Hasty campground, Duane Nelson reported Baltimore Oriole
and Yellow-billed Cuckoo.
---On September 2 at Tempel Grove, Duane Nelson and Norma Verhoeff reported
Ovenbird below the bench.
BOULDER COUNTY:
---On August 30 at Walden/Sawhill Ponds, Jeff Parks reported 3 Solitary
Sandpipers and Yellow-shafted Flicker. 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.
COSTILLA COUNTY:
---On August 28 at Smith Reservoir, David Dowell reported 2 Wood Ducks and
Sandhill Crane.
CUSTER COUNTY:
---On September 3 at DeWeese Reservoir, Cheryl Teuton and Dan Brooke
reported m Bufflehead and juv Sabine’s Gull.
DENVER COUNTY:
---On August 28 at Bluff Lake, George Ho reported Wild Turkey. On
September 2 at Bluff Lake Nature Center Jason Bidgood reported Wild Turkey,
2 Clay-colored Sparrows and Brewer’s Sparrow.
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.
EL PASO COUNTY:
---On August 28 at Fountain Creek Regional Park, Tanja Britton reported 2
Mississippi Kites. On August 30 at Fountain Creek Regional Park, Jim
Merritt reported Mississippi kit in Nature center/Cattail Marsh Area and
Cathy Bondy reported 2 Mississippi Kites in Willow Spring Road area. On
September 1 at Fountain Creek regional Park Nature Center/Cattail Marsh
Area, Michael Doseck, David and Cheryl Hubbard reported 2 Mississippi Kites.
---On August 28 at Clear Spring Ranch, Steve Brown reported banding ad
Brewer’s Sparrow. 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 August 30 at Black Forest Regional Park, Alan Versaw reported
Brewer’s 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 2 on Hanover Road, David Tonnessen reported Greater
Roadrunner, Chihuahuan Raven, Clay-colored Sparrow, and 6 Brewer’s Sparrows.
GUNNISON COUNTY:
---On August 28 on Hwy 38 south of Gunnison, Jesse Huth reported Gunnison
Sage-Grouse and Lark Bunting.
---On August 31 on Contour Trails, Marcel Such reported f Lark Bunting.
JEFFERSON COUNTY:
---On August 29 at Chatfield SP Swim Beach, Diane Roberts and Cynthia
Madsen reported 2 Lesser Black-backed Gulls.
---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.
KIOWA COUNTY:
---On September 3 at Adobe Creek Reservoir (Blue Lake), Steve Mlodinow
reported Greater Roadrunner and Black Tern.
LA PLATA COUNTY:
---On August 28 on Animas River Trail Huck Finn Pond and Hatchery Area,
Ryan Votta reported 5 Lewis’s Woodpeckers, 10 Evening Grosbeaks, and 2 Red
Crossbills. On September 2 on Animas River trail behind 4 Corners
Riversports, Jason St. Pierre reported f-type American Redstart.
LARIMER COUNTY:
---On August 30 at Granview Cemetery, Dave Leatherman reported Red
Crossbill.
---On August 29 at Boyd Lake SP, David Wade and Nick Komar reported Common
Tern. On August 31 at Boyd Lake SP, Nick Komar reported ad moulting Mew
Gull on Swim Beach.
---On August 31 at Timnath Reservoir, Joe Mammoser reported Caspian Tern on
North Shore. 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.
MESA COUNTY:
---On August 28 on Uncompahgre Plateau, Denise and Mark Vollmar reported 2
Solitary Sandpipers and 4 Brewer’s Sparrows.
---On August 29 at Horsethief Canyon SWA near Fruita on the River Trail,
Mike Henwood reported Northern Waterthrush and Nashville Warbler.
---On September 2 on Pinyon Mesa, Denise and Mark Vollmar reported Gunnison
Sage-Grouse and Williamson’s Sapsucker.
MOFFAT COUNTY:
---On August 31 at Loudy-Simpson Park, Forrest Luke reported a dark-phase
Broad-winged Hawk.
MONTEZUMA COUNTY:
---On September 3 at Totten Reservoir, Jason St. Pierre reported 2 Sandhill
Cranes east of boat launch.
MORGAN COUNTY:
---On August 28 at Jackson Reservoir, Steve Mlodinow reported Long-billed
Curlew, 3 Caspian Terns,
10 Black Terns, Dickcissel, and Baltimore Oriole.
---On August 31 on CO 144 S of Orchard, Loch Kilpatrick reported Sandhill
Crane standing in river.
OURAY COUNTY:
---On August 28 at Ridgeway Reservoir and SP, Gary Koehn reported 2
Brewer’s Sparrows.
PARK COUNTY:
---On August 31 at Antero Reservoir, Kathy Mihm Dunning reported imm
light-phase LONG-TAILED JAEGER.
---On September 3 at Antero Reservor, Loch Kilpatrick and Glenn Walbek
reported 10 Horned Grebes and 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 August 30 at Lake Beckwith in Colorado City, Dave Silverman reported
3 Black Swifts. 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.
SAGUACHE COUNTY:
---On August 28 in town of Saguache, David Dowell reported 6 Sandhill
Cranes circling over the town.
SAN MIGUEL COUNTY:
---On September 2 at Wright’s Mesa Farm ponds east of Norwood, George
Steele reported Solitary Sandpiper.
WASHINGTON COUNTY:
---On August 29 at Prewitt Reservoir, Steve Mlodinow reported Semipalmated
Plover, 3 Upland Sandpipers, 435 Stilt Sandpipers, 15 Pectoral Sandpipers,
8 Solitary Sandpipers, Great Crested Flycatcher, and Red-eyed Vireo.
---On August 31 at Prewitt Reservoir, Loch Kilpatrick reported 6 Cattle
Egret, 5 Semipalmated Plovers, 88 Stilt Sandpipers, 4 Sanderling, 3
Pectoral Sandpipers, 35 Semipalmated Sandpipers, Caspian Tern, 10 Black
Terns, Common Tern, Red-headed Woodpecker, Merlin (Prairie), Great Crested
Flycatcher, 3 Clay-colored Sparrows and 6 Brewer’s Sparrows.
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, McConw’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.
YUMA COUNTY:
---On August 30 at abandoned homestead on CR Y, Steve Mlodinow reported
Blue-gray Gnatcather, 18 Clay-colored Sparrows, Lark Bunting, 3 Dickcissel,
2 Baltimore Oriole.
---On August 30 at Lens Farm Shetler Belt, Steve Mlodinow reported Great
Crested Flycatcher.
---On September 1 at Hale Ponds, Steve Mlodinow reported Upland Sandpiper,
6 Red-headed Woodpeckers, 3 Red-breasted Woodpeckeers, 3 Least Flycatchers,
9 Clay-colored Sparrows, 2 Brewer’s Blackbirds, 5 Baltimore Orioles.
Denver Field Ornithologists Field Trips:
The DFO Field Trip for Monday, September 4 will be a Denver County Big Day
led by Chris Rurik (chrisrurik AT gmail.com; 253-225-7104) This trip is
full
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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