Date: September 1, 2018
Compiler: Joyce Takamine
e-mail: RBA AT cobirds.org
This is the Rare Bird Alert for Saturday, September 1 sponsored by Denver Field Ornithologists and the Bird Conservancy of the Rockies.
Note that the RBA is using the new AOU checklist.
Rare and out of range species for the last seven days include: (*indicates new information on this species)
Snow Goose (*Prowers)
Cackling Goose (Adams, Larimer, Summit, Weld)
Trumpeter Swan (Archuleta)
Tundra Swan (*Prowers)
Wood Duck (Gunnison)
Surf Scoter (Mesa)
Common Goldeneye (Chaffee)
Hooded Merganser (*Routt, Weld)
Northern Bobwhite (Larimer)
Chukar (Larimer)
Horned Grebe (Bent, Washington)
Yellow-billed Cuckoo (Bent, Larimer)
Greater Roadrunner (Otero)
LESSER NIGHTHAWK (Kit Carson)
Black Swift (Rio Grande)
White-throated Swift (Kiowa)
Virginia Rail (*Montezuma)
Sora (*Montezuma)
Sandhill Crane (Custer, Delta)
American Avocet (*Summit)
Black-necked Stilt (Arapahoe, Weld)
Black-belllied Plover (*Adams, *Morgan, *Washington)
Semipalmated Plover (Larimer, *Washington)
Long-billed Curlew (*Eagle, *Washington)
Marbled Godwit (Washington)
RED KNOT (Washington)
Stilt Sandpiper (Larimer, *Washington, Weld)
White-rumped Sandpiper (Prowers)
Buff-breasted Sandpiper (*Baca, Washington)
Pectoral Sandpiper (*Washington, Weld)
Semipalmated Sandpiper (Larimer, *Mesa, Park, *Washington)
Solitary Sandpiper (Gunnison, La Plata, Larimer *Mesa, Pueblo, Rio Grande, *San Miguel, Washington, Weld)
Willet (Mesa, Washington)
Red-necked Phalarope (Mesa)
Red Phalarope (*Morgan)
Herring Gull (*Morgan, *Washington)
Lesser Black-backed Gull (Larimer, *Morgan, Weld)
Least Tern (Bent)
Caspian Tern (Washington, Weld)
Black Tern (*Morgan, Washington)
Common Tern (*Washington)
Little Blue Heron (Weld)
Green Heron (*Denver)
Black-crowned Night-Heron (Montezuma)
YELLOW-CROWNED NIGHT-HERON (Yuma)
WHITE IBIS (*Bent)
Glossy Ibis (Adams)
Mississippi Kite (*El Paso, *Jefferson, Otero)
Lewis's Woodpecker (Archuleta)
Red-headed Woodpecker (*Baca, *Denver, Logan, Otero, Weld, Yuma)
Red-naped Sapsucker (El Paso)
Ladder-backed Woodpecker (El Paso, Otero)
Hairy Woodpecker (*Baca, *El Paso)
Merlin (Boulder, *Larimer)
Peregrine Falcon (*Mesa, *Routt)
Olive-sided Flycatcher (El Paso)
YELLOW-BELLIED FLYCATCHER (Pueblo)
Willow Flycatcher (Adams, Bent, Larimer, Weld)
Least Flycatcher (Kiowa)
Hammond's Flycatcher (Adams, Boulder, El Paso)
Gray Flycatcher (La Plata, *Montrose)
Dusky Flycatcher (Adams, El Paso, Larimer, Otero)
Cordilleran Flycatcher (Adams, El Paso, *Mesa)
Black Phoebe (Mesa)
Eastern Phoebe (Adams)
Vermilion Flycatcher (Otero)
Ash-throated Flycatcher (Logan)
Great Crested Flycatcher (*Baca, Yuma)
Cassin's Kingbird (*Baca, El Paso, Otero)
Eastern Kingbird (Montrose)
Gray Vireo (*Montrose)
Cassin's Vireo (Adams, El Paso, Jefferson, Mesa, Rio Grande, Weld)
Philadelphia Vireo (Boulder)
Warbling Vireo (Eastern) (*Baca)
Red-eyed Vireo (*Baca, El Paso, Washington)
Canada Jay (El Paso)
Woodhouse's Scrub-Jay (Denver, El Paso, *Montrose)
Purple Martin (Larimer)
Violet-green Swallow (Weld)
Bushtit (La Plata)
Marsh Wren (Arapahoe)
Carolina Wren (Kiowa)
Blue-gray Gnatcatcher (El Paso, Logan, Mesa, *Montrose, San Juan, Washington, Weld)
Townsend's Solitaire (*Adams, Weld)
Curve-billed Thrasher (*El Paso, Pueblo)
Brown Thrasher (*El Paso, *Weld)
Sage Thrasher (*El Paso, Jefferson, *Weld)
American Pipit (Mesa)
Pine Siskin (*Baca)
Clay-colored Sparrow (*Denver, Otero, Yuma)
Brewer's Sparrow (*Denver)
Field Sparrow (*Denver, Yuma)
Lark Bunting (*Montrose)
Grasshopper Sparrow (*Denver)
Fox Sparrow (Gunnison)
Baltimore Oriole (*Prowers, Yuma)
Northern Waterthrush (El Paso, La Plata)
Black-and-white Warbler (*Adams, Mesa)
Tennessee Warbler (*Jefferson)
Nashville Warbler (Mesa)
CONNECTICUT WARBLER (Larimer)
Hooded Warbler (Arapahoe)
Northern Parula (Clear Creek, La Plata)
Blackburnian Warbler (*Larimer, Yuma)
Chestnut-sided Warbler (*Adams)
Yellow-throated Warbler (*Pueblo)
Black-throated Gray Warbler (Boulder, El Paso)
Townsend's Warbler (*Adams, Adams, El Paso, Larimer, *Montrose)
CANADA WARBLER (El Paso)
Summer Tanager (*Morgan)
Northern Cardinal (Yuma)
Indigo Bunting (Otero)
Painted Bunting (Otero)
ADAMS COUNTY:
---On August 26 at Barr Lake Banding Station Area, Steve Rash reported Glossy Ibis and Townsend's Warbler. On August 28 at Barr Lake Banding Station, Meredith McBurney banded Townsend's Warbler. On August 29 at Barr Lake Banding Station, Meredith McBurney banded Willow Flycatcher, Cordilleran Flycatcher, and Cassin's Vireo. On August 30 at Barr Lake Banding Station, Meredith McBurnery banded Townsend's Warbler. On August 31 at Barr Lake Banding Station, Gwen Moore, Colin Woolley, and Adam Cupito reported Chestnut-sided Warbler. On August 31 at Barr Lake Banding Station, Meredith McBurney banded Chestnut-sided Warbler and Townsend's Warbler.
---On August 26 at Rocky Mountain Arsenal NWR, Felice Lyons and Bez Bezuidenhout reported 5 Bushtits, Dusky Flycatcher, Willow Flycatcher, and Hammond's Flycatcher.
---On August 30 at Barr Lake SP, Amy Darling reported 2 Cackling Geese, Black-bellied Plover in breeding plumage, Eastern Phoebe, Townsend's Warbler. On August 31 at Barr Lake SP, Diane Roberts and Karen Drozda reported Black-bellied Plover, Townsend's Solitaire, 2 Black-and-white Warblers, and 2 Townsend's Warblers.
ARAPAHOE COUNTY:
---On August 26 at Cherry Creek SP, Cynthia Madsen reported 2 Black-necked Stilt. On August 30 at Cherry Creek SP—12 Mile Trail, Gwen Moore reported Hooded Warbler.
ARCHULETA COUNTY:
---On August 26 in Pagosa Springs, Ben Bailey reported Trumpeter Swan and 2 Lewis's Woodpeckers.
BACA COUNTY:
---On August 31 at Two Buttes SWA below dam, Steve Mlodinow reported Red-headed Woodpecker, 2 Hairy Woodpekcer, Great Crested Flycatcher, Cassin's Kingbird, 2 Warbling Vireos (Eastern), Red-eyed Vireo, and 2 Pine Siskin.
BENT COUNTY:
---On August 28 at Van's Marsh on CR JJ, David Suddjian and DFO field trip reported ad WHITE IBIS. On August 29 at Van's Marsh on CR JJ, Jane Stulp, Janeal Thompson, Norma Verhoff, Jon Hon, Alan Reed, Bill Harris, and Duane Nelson reported WHITE IBIS; Stulp also reported 2 Yellow-billed Cuckoo and Willow Flycatcher. On August 30 at CR JJ and Gageby Creek (Van's Marsh), Mark Peterson reported WHITE IBIS. On August 31 at Van's Marsh, Stan Oswald reported WHITE IBIS; Steve Mlodinow reported WHITE IBIS and Buff-breasted Sandpiper.
---On August 29 at Clayton's Point, Jane Stulp, Janeal Thompson, and Norma Verhoeff reported Horned Grebe.
---On August 30 at CR 20, Mark Peterson reported 4 Least Terns (1 ad, 3 juv)
BOULDER COUNTY:
---On August 28 at Green Mountain Cemetery, Bill Kaempfer reported Philadelphia Vireo.
---On August 28 at Pleasant View Marsh, Ernest Crvich reported Black-throated Gray Warbler and Hammond's Flycatcher.
---On August 29 at Coyote Run OS in Louisville, Ryan Bushong reported Philadelphia Vireo.
---On August 29 at Boulder Creek at 75th St, Preston Sowell reported Merlin.
CHAFFEE COUNTY:
---On August 26 at Sands Lake SWA, Sally Waterhouse reported Common Goldeneye.
CLEAR CREEK COUNTY:
---On August 26 at Empire Bard Creek Wetland, Bruce Snyder reported Northern Parula.
CUSTER COUNTY:
---On August 27 at DeWeese Reservoir, John Drummond, John Bruder, and Lisa Edwards reported Sandhill Crane, Williamson Sapsucker, Hammond's Flycatcher, 2 Blue-gray Gnatcatcher, Northern Waterthush, and Townsend's Solitaire.
DELTA COUNTY:
---On August 27 at Hotchkiss Hay Field, Robin Nickoloff reported pair of Sandhill Cranes.
DENVER COUNTY:
---On August 26 at First Creek at DEN OS, John Breitsch reported Woodhouse's Scrub-Jay.
---On August 31 at Bluff Lake Nature Center, Elaine Wagner and Doug Kibbe reported Green Heron.
---On August 31 on Hudson Road near DIA Doug Kibbe and Elaine Wagner reported Clay-colored Sparrow and Field Sparrow.
---On August 31 at Box Elder Creek at E 104th Ave, Doug Kibbe and Elaine Wagner reported 3 Red-headed Woodpeckers.
---On August 31 at Gun Club Road (South of 112th Ave), Elaine Wagner and Doug Kibbe reported Grasshopper Sparrow and 15 Brewer's Sparrows.
EAGLE COUNTY:
---On August 31 at White River National Forest near Basalt, Eric Culbertson reported Long-billed Curlew.
EL PASO COUNTY:
---On August 27 at Clear Spring Ranch, Steve Brown banded 2 Northern Waterthrush.
---On August 26 at Chico Basin Ranch, Jim Merritt and David Tonnessen reported 3 Ladder-backed Woodpeckers, Olive-sided Woodpecker, Least Flycatcher, Hammond's Flycatcher, 2 Dusky Flycatchers, Cassin's Vireo, Red-eyed Vireo, 2 Curve-billed Thrashers, 6 Brown Thrashers, 5 Sage Thrashers, and f CANADA WARBLER near banding building. On August 28 at Chico Basin Ranch, Jim Merritt reported Ladder-backed Woodpecker, Dusky Flycatcher, Cordilleran Flycatcher, 2 Curve-billed Thrashers, 3 Brown Thrashers, 2 Sage Thrashers, and 2 Clay-colored Sparrows. On August 31 at Chico Basin Ranch, Alan Ketcham reported Curve-billed Thrasher, Hairy Woodpecker, 4 Brown Thrashers, and 3 Sage Thrashers.
---On August 26 at Kettle Lakes, David Tonnessen reported Cassin's Kingbird, 5 Woodhouse's Scrub-Jay, 4 Mountain Chickadee, 14 Bushtit, 7 Blue-gray Gnatcatcher, and Sage Thrasher.
---On August 28 at Fountain Creek Regional Park, Tanja Britton reported Mississippi Kite and Cassin's Vireo.
---On August 29 on Rainbow Gulch Trail, Terence Berger, reported 2 Red-naped Sapsuckers and 3 Canada Jay.
---On August 31 at Widefiled Community Center, Alan Versaw reported 2 Mississippi Kites.
GUNNISON COUNTY:
---On August 29 at McCabes Lane Wetland, Ben Hulsey reported 3 Wood Ducks, 2 Solitary Sandpipers, and 2 Fox (slate-colored) Sparrows.
JEFFERSON COUNTY:
---On August 29 at Bear Creek Lake Park—Boat Launch Area, Aaron Boone, Caleb Putnam, Chris McCreedy, Sean Fitzgerald reported Cassin's Viero and Sage Thrasher.
---On August 31 at Belmar Park, Mark Chavez and Frank Farrell reported Cassin's Vireo and Tennessee Warbler.
---On August 31 in Golden, Ira Sanders reported 2 Mississippi Kites.
KIT CARSON COUNTY:
---On August 26 at Flagler Reservoir SWA, Steve Rash reported 8 LESSER NIGHTHAWKS.
LA PLATA COUNTY:
---On August 26 on Animas River Huck Finn Ponds and Hatchery Area, Jim Beatty reported Red-eyed Vireo and Northern Waterthrush.
---On August 30 at Pastorius Reservoir, Henry Detwiler reported Solitary Sandpiper, Gray Flycatcher, 12 Bushtits, and Northern Parula.
LARIMER COUNTY:
---On August 25 at Arapahoe Bend NA, Nick Komar and Jay Breidt reported Red-eyed Vireo.
---On August 25 at Kechter Pit wetland, Nick Komar reported Caspian Tern.
---On August 26 at Environmental Learning Center, Jay Breidt reported Gray Flycatcher and 2 Townsend's Warblers; Nick Komar and Danny Montalvo reported Merlin and Townsend's Warbler.
---On August 26 at Wellington SWA—Cobb Lake Unit, Andy Bankert and Caroline Olson reported Lesser Black-backed Gull, Willow Flycatcher, Dusky Flycatcher, and Townsend's Warbler. On August 29 at Wellington SWA—Cobb Lake Unit, Andy Bankert reported 2 Cackling Geese, 5 Northern Bobwhite, Chukar, Semipalmated Plover, Stilt Sandpiper, 3 Semipalmated Sandpipers, and 4 Solitary Sandpipers.
---On August 27 at Douglas Reservoir, Rob Sparks reported Yellow-billed Cuckoo.
---On August 29 at Watson Lake, Christine Sparks reported Purple Martin.
---On August 30 at Rocky Mountain NP –Trail Ridge Road Alpine Visitor Center, Jonathan Rees reported a CONNECTICUT WARBLER was trapped inside the store overnight.
---On August 31 at Salyer, McMurry and Magpie Meander Natural Area, Rob Sparks reported Merlin.
---On August 31 at North Shields Pond NA, Will Gallagher reported 1st Fall Blackburnian Warbler.
LOGAN COUNTY:
---On August 28 at Prewitt Reservoir, Charlie Chase and David Blue reported juv Red-headed Woodpecker, Ash-throated Flycatcher and 4 Blue-gray Gnatcatchers.
MESA COUNTY:
---On August 28 at Horsethief Canyon SWA, Mike Henwood and David Price reported Cordilleran Flycatcher and 2 Black Phoebe.
---On August 27 at Grand Junction Wildlife Area, Mike Henwood reported Black Phoebe, Black-and-white Warbler and Nashville Warbler.
---On August 27 at Green Heron Pond, Glenn Parson Red-necked Phalarope, Black Phoebe, and Willet. On August 31 on Green Heron Pond, Mike Henwood reported Semipalmated Sandpiper, Solitary Sandpiper and Peregrine Falcon.
---On August 29 on Grand Mesa on old Grand Mesa Road, Mike Henwood reported 2 Cordilleran Flycatchers, Cassin's Vireo, and 7 Blue-gray Gnatcatchers.
---On August 29 at (39.0222249, -108.2171) Mike Henwood reported 5 Surf Scoters and 6 American Pipits.
MONTEZUMA COUNTY:
---On August 31 at Totten Reservoir, Erik Hendrickson reported Virginia Rail and Sora.
MONTROSE COUNTY:
---On August 28 On August 28 at Higbee Valley Road (CR 804), David Suddjian and DFO field trip reported 2 Greater Roadrunner, 5 Red-headed Woodpecker (4 ad, 1 juv), Ladder-backed Woodpecker, 3 Vermilion Flycatcher (1 ad m, 2 juv), 2 Eastern Bluebird.
MORGAN COUNTY:
---On August 31 at Jackson Reservoir State Park, Chris Owens, Dean Shoup, and Lisa Edwards reported Summer Tanager.
---On August 31 at Jackson Reservoir – North, Joey Kellner, Kathy Mihm Dunning, Dean Shoup, and Lisa Edwards reported Black-bellied Plover, Red Phalarope, 3 Herring Gulls, Lesser Black-backed Gull, and Black Tern.
PARK COUNTY:
---On August 26 at Antero Reservoir, Alan Versaw reported Semipalmated Sandpiper.
PROWERS COUNTY:
---On August 27 in Lamar on S 13th St., Dorothy Russell reported m Baltimore Oriole.
---On August 23 at Arkansas River and US 50 crossing, Jane Stulp reported Tundra Swan and White-rumped Sandpiper.
PUEBLO COUNTY:
---On August 29 on Greenhorn Creek ¼ mile W of Sewage Treatment Plant in Colorado City, Dave Silverman reported YELLOW-BELLIED FLYCATCHER.
---On August 29 at Metro Lake on W Graneros Road in Colorado City, Dave Silverman reported Solitary Sandpiper.
---On August 31 at Roselawn Cemetery in Blende, Brandon Percival reported Yelllow-throated Warbler.
RIO GRANDE COUNTY:
---On August 28 at Monte Vista NWR 8S Turnout Grove, John Rawinski reported Cassin's Vireo.
---On August 28 at Home Lake, John Rawinski reported 4 Solitary Sandpipers.
---On August 29 at Home Lake, John Rawinski reported around 100 Black Swifts.
ROUTT COUNTY:
---On August 31 at Steamboat Lake, Tom Litteral and Julie Arington reported f-type Hooded Merganser and Peregrine Falcon.
SAN JUAN COUNTY:
---On August 28 in Silverton, Lori Nixon reported 2 Blue-gray Gnatcatchers.
SAN MIGUEL COUNTY:
---On August 27 on CR 43Z south farm pond S Side of Norwood, Eric Hynes reported Solitary Sandpiper and Snowy Egret.
---On August 28 at Snyder's Pond, George Steele reported 4 Solitary Sandpipers. On August 31 at Snyder's Pond, George Steele reported Solitary Sandpiper.
SUMMIT COUNTY:
---On August 26 Lake Dillon Soda Creek Inlet, Bea Weaver reported Cackling Goose. On August 31 at Dillon Reservoir—Frisco Marina, JoAnn Riggle reported 9 American Avocets.
WASHINGTON COUNTY:
---On August 25 at Prewitt Reservoir, Jonell Balais, Bruce Cyganowski, Norm Lewis, Holden Maxfield, Jack and Ryan Bushong reported Horned Grebe, Black-bellied Plover, Long-billed Curlew, Marbled Godwit, Red Knot, 6 Pectoral Sandpipers, Caspian Tern, Red-eyed Vireo, 6 Blue-gray Gnatcatcher. On August 26 at Prewitt Reservoir, Joey Kellner and his DFO Field Trip and Steve Rash, reported Long-billed Curlew, Red Knot, 2 Stilt Sandpipers, 14 Pectoral Sandpipers, Herring Gull, and 48 Black Tern. On August 27 at Prewitt Reservoir Inlet Canal, Susan Pellegrini reported Long-billed Curlew, 2 Marbled Godwit, 2 Stilt Sandpiper, Buff-breasted Sandpiper, 10 Pectoral Sandpipers, Solitary Sandpiper and 3 Willet. On August 31 at Prewitt Reservoir, Kevin Ash and Chuck Hudertmark reported Black-bellied Plover, 2 Semipalmated Plover, Long-billed Curlew, 15 Stilt Sandpipers, 12 Pectoral Sandpiper, 8 Semipalmated Sandpipers, 3rd-cyc Herring Gull, and 5 Common Terns.
WELD COUNTY:
---On August 26 at CR 74 and CR 61 pond, Gary Lefko reported Caspian Tern.
---On August 26 at CR 41 and CR 102, Gark Lefko reported Sage Thrasher.
---On August 27 at Baxter Lake, Steve Mlodinow reported 7 Black-necked Stilt, Stilt Sandpiper, Pectoral Sandpiper, Solitary Sandpiper, Violet-green Swallow.
---On August 28 at Lower Latham Reservoir, Steve Mlodinow reported ad Little Blue Heron.
---On August 28 at Firestone Gravel Pits (view from road), Steve Mlodinow reported 2 Cackling Geese and 3 Hooded Mergansers.
---On August 28 at Crow Valley Campground, Dave Leatherman reported imm Red-headed Woodpecker, 3 Willow Flycathcers, Cassin's Vireo, Blue-gray Gnatcatcher, Townsend's Solitaire, and Brown Thrasher. On August 31 at Crow Valley Campground, Bob Righter reported Sage Thrashers and Brown Thrashers.
YUMA COUNTY:
---On August 24 at Stalker Lake w of Wray, Joey Kellner and Kathy Mihm Dunning reported 2 YELLOW-CROWNED NIGHT-HERONS, 3 Red-headed Woodpecker, Great Crested Flycatcher, Clay-colored Sparrow, Field Sparrow, 3 Northern Cardinal. On August 25 at Stalker Lake SWA, Gary Witt reported 2 YELLOW-CROWNED NIGHT-HERONS, Red-headed Woodpecker and 2 Northern Cardinal. On August 26 at Stalker Lake SWA, Steve Rash reported YELLOW-CROWNED NIGHT-HERON and Blackburnian Warbler. On August 28 at Stalker Lake SWA, Tyler Wilson reported 3 YELLOW-CROWNED NIGHT-HERON, 2 Red-headed Woodpeckers, and Baltimore Oriole.
DFO Field Trips
See DFO website for more information:
Ken Caryl Valley Area
Saturday, September 1
6:30 PM – 8:30 PM
David Suddjian (dsuddjian AT gmail.com; 831-713-8659)
This Trip is FULL
Stalker Lake State Wildlife Area
Saturday, September 1
6:00 AM – 7:00 PM
Gregg Goodrich (GreggGoodrich AT gmail.com; 303-655-9135)
Good Birding,
Joyce Takamine
Boulder
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