Date: August 23, 2018
Compiler: Joyce Takamine
e-mail: RBA AT cobirds.org
This is the Rare Bird Alert for Thursday, August 23 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)
Greater White-fronted Goose (*Larimer)
Cackling Goose (Larimer)
Northern Pintail (San Miguel)
Redhead (Douglas, Fremont)
Bufflehead (Boulder)
Barrow's Goldeneye (Clear Creek)
Hooded Merganser (Adams, *Arapahoe)
Chukar (Larimer)
White-winged Dove (El Paso)
Greater Roadrunner (Otero)
White-throated Swift (Kiowa)
Virginia Rail (Montezuma)
Sora (Montezuma)
Sandhill Crane (Montezuma, Montrose)
Semipalmated Plover (Kiowa)
Piping Plover (Jackson)
Upland Sandpiper (Kiowa, *tero)
Long-billed Curlew (Kiowa)
Marbled Godwit (*Larimer, *Washington)
RED KNOT (*Washington)
Stilt Sandpiper (Jackson, *Washington, Weld)
Sanderling (*Washington)
Dunlin (Jackson)
Baird's Sandpiper (Adams, San Miguel)
Buff-breasted Sandpiper (Washington)
Pectoral Sandpiper (Jackson, *Washington)
Semipalmated Sandpiper (Jackson)
Western Sandpiper (Arapahoe)
Long-billed Dowitcher (Weld)
Solitary Sandpiper (Adams, La Plata, Larimer, Pueblo, Weld)
Lesser Yellowlegs (Adams, Weld)
Willet (La Plata)
Greater Yellowlegs (Montrose, Weld)
Mew Gull (Arapahoe)
Herring Gull (*Washington)
Lesser Black-backed Gull (*Kiowa, *Larimer, *Weld)
Caspian Tern (Jackson, *Larimer)
Black Tern (Adams, *Washington)
Common Tern (Larimer)
NEOTROPIC CORMORANT (Kiowa)
Great Egret (Jackson)
Great Egret (Jackson)
TRICOLORED HERON (Arapahoe)
Black-crowned Night-Heron (Montezuma)
Mississippi Kite (El Paso, Otero)
Northern Goshawk
Lewis's Woodpecker (Miramonte)
Red-headed Woodpecker (*Kit Carson, Logan, Otero, Pueblo, *Washington)
Red-bellied Woodpecker (Logan)
Ladder-backed Woodpecker (Otero, Pueblo)
Hairy Woodpecker (Kiowa, *Washington)
American Three-toed Woodpecker (El Paso, Mesa)
Merlin (Adams)
Willow Flycatcher (La Plata)
Least Flycatcher (Boulder, *El Paso, *Kit Carson, Pueblo)
Gray Flycatcher (*Broomfield, La Plata, Pueblo)
Dusky Flycatcher (La Plata, Otero, Pueblo)
Cordilleran Flycatcher (*Mesa)
Black Phoebe (La Plata, *Mesa, Ouray)
Eastern Phoebe (Boulder, Jefferson, Otero, Pueblo)
Vermilion Flycatcher *Otero)
Cassin's Kingbird (Otero)
Eastern Kingbird (La Plata, Montrose, Ouray, San Miguel)
Cassin's Vireo (Kiowa, Pueblo)
Philadelphia Vireo (*Kit Carson)
Warbling Vireo (Eastern) (*Kit Carson)
Woodhouse's Scrub-Jay (Arapahoe, Denver, La Plata, *Mesa, Otero)
Chihuahuan Raven (Otero)
Mountain Chickadee (*El Paso)
Bushtit (Adams, Larimer)
Rock Wren (*Conejos)
Marsh Wren (Arapahoe, El Paso, Larimer, Weld)
Carolina Wren (Arapahoe)
Blue-gray Gnatcatcher (*Mesa, Otero, San Juan)
Eastern Bluebird (Otero)
Curve-billed Thrasher (El Paso, Kiowa, Otero, Pueblo)
Northern Mockingbird (Moffat)
Red Crossbill (*Larimer)
McCown's Longspur (Jackson)
Rufous-crowned Sparrow (Otero)
Clay-colored Sparrow (Moffat, Otero, Pueblo)
Black-throated Sparrow (Otero)
Sagebrush Sparrow (*Conejos)
Lark Bunting (Alamosa, Grand, Jackson, Routt)
EASTERN MEADOWLARK (Logan)
Baltimore Oriole (Prowers)
Northern Waterthrush (El Paso, Gunnison, Jackson, La Plata, Moffat, Pueblo)
Black-and-white Warbler (Boulder, Jefferson, Mesa)
American Redstart (*El Paso)
Chestnut-sided Warbler (Weld)
Townsend's Warbler (La Plata, Moffat)
Hepatic Tanager (Otero)
Summer Tanager (Otero, San Juan)
Northern Cardinal (Logan)
Blue Grosbeak (Moffat)
Indigo Bunting (Kiowa, Otero)
Painted Bunting (Otero)
Dickcissel (Logan)
ADAMS COUNTY:
---On August 19 at Barr Lake SP, Holden Maxfield reported 2 f-type Hooded Mergansers; at the boat ramp, Adam Veseley, Riley and Heather Morris reported 8 f-type Common Mergansers and Black Tern.
---On August 17 at Rocky Mountain Arsenal, Candice Johnson reported 3 Baird's Sandpipers, 2 Solitary Sandpipers, 3 Lesser Yellowlegs, and 6 Bushtits near intersection of Prairied and Woodland Trails N of Havana Ponds. On August 18 at Rocky Mountain Arsenal NWR, Bez Bezuidenhout reported Merlin.
ALAMOSA COUNTY:
---On August 19 at Twomile Road, Jeff Guy reported Lark Bunting.
ARAPAHOE COUNTY:
---On August 16 at South Platte Park, Cynthia Kristensen, reported 4 Hooded Mergansers on South Platte Reservoir.
---On August 16 at Cherry Creek SP Marina and Dam Trail, Gwen Moore reported imm Mew Gull. On August 17 at Cherry Creek SP Marina and Dam Trail, Diane Roberts reported imm Mew Gull. On August 18 at Cherry Creek SP Marina and Dam Trail, Bez Bezuidenhout and Steve Rash reported imm Mew Gull. On August 19 at Cherry Creek SP Marina and Dam Trail, Dean Shoup, Mark Chavez, Roger Massey, Cynthia Madsen and David Hill reported imm Mew Gull. On August 20 at Cherry Creek SP, Tim Ryan reported imm Mew Gull.
---On August 16 at Cherry Creek SP Shop Creek to Wetland Loop, Ajit Antony reported 2 Carolina Wren.
---On August 18 at Cherry Creek SP, Mario Montealagre reported TRICOLORED HERON and Woodhouse's Scrub-Jay.
---On August 18 at Parker Jordan Centennial OS, Cynthia Madsen and David Hill and DFO field trip reported Woodhouse's Scrub-Jay.
---On August 20 at Cherry Creek State Park, Cynthia Madsen reported Hooded Merganser.
---On August 21 at Cherry Creek SP, Pelican Point area, Ben Sampson reported Western Sandpipers.
---On August 22 at S Platte River—Northern Wildlife Area to West Bowles Aves, Brian Johnson reported f Hooded Merganser.
BOULDER COUNTY:
---On August 19 at Coal Creek Canyon OS, Diane Roberts reported Least Flycatcher; Diane Roberts and Sandra Blair reported Black-and-white Warbler and Eastern Phoebe.
---On August 21 at Little Gaynor Lake in Boulder, Dean Shoup reported Bufflehead.
BROOMFIELD COUNTY:
---On August 22 at W 134th Place, Matt Hofeditz reported Gray Flycatcher.
CLEAR CREEK COUNTY:
---On August 20 at Echo Lake, Phil Lyon reported 8 Barrow's Goldeneye (1 ad f, 7 young)
CONEJOS COUNTY:
---On August 22 at Sego Springs SWA, east of Manassa, John Rawinski reported 6 Sagebrush Sparrows and Rock Wrens.
DENVER COUNTY:
---On August 21 at Two Cats on Vine, Judith Henderson reported Woodhouse's Scrub-Jay.
DOUGLAS COUNTY:
---On August 21 at Platte Canyon Reservoir, Nancy Davis reported Redhead.
EL PASO COUNTY:
---On August 16 at Clear Spring Ranch, Steve Brown banded 2 Northern Waterthrush. On August 18 at Clear Spring Ranch, Steve Brown banded another Northern Waterthrush. On August 19 at Clear Spring Ranch, Steve Brown band another Northern Waterthrush and observed a White-winged Dove. On August 22 at Clear Spring Ranch, Steve Brown banded American Redstart (juv m) and Least Flycatcher (ad f).
---On August 16 at Cross Creek Regional Park, Terence Berger reported Marsh Wren.
---On August 16 at Birdsall Road, Terence Berger reported Curve-billed Thrasher.
---On August 17 at 1725 River Dr, Fountain, David Tonnessen reported Mississippi Kite.
---On August 18 at Venetucci Elementary School in Widefield, Kathy Bearden reported 4 Mississippi Kites.
---On August 19 at Chico Basin Ranch Bell Grove, Matt Rodgers reported 2 Curve-billed Thrashers.
---On August 19 on Mt Herman Trail, Chris Hiatt reported Northern Goshawk and American Three-toed Woodpecker.
---On August 19 at Sinton Pond OS, David Tonnessen reported Cassin's Vireo.
---On August 20 at Aiken Canyon Preserve, Terence Berger reported American Three-toed Woodpecker, Cassin's Vireo, and 4 Blue-gray Gnatcatchers.
---On August 22 at Kison Meadows Court, David Tonnessen reported 2 Mountain Chickadees.
FREMONT COUNTY:
---On August 18 at Brush Hollow Reservoir, Hay Hawklee reported Redhead.
GRAND COUNTY:
---On August 16 at North Inlet Trail to Cascade Falls, Rebecca Laroche reported molting male Lark Bunting.
GUNNISON COUNTY:
---On August 17 at Roaring Judy Fish Hatchery, Ben Halsey reported Northern Waterthrush.
JACKSON COUNTY:
---On August 16 at Walden Reservoir SE side, Henrey Deese reported Great Egret.
---On August 16 at Walden Reservoir, Henrey Deese reported 4 Lark Bunting. On August 19 at Walden Reservoir, Steve Mlodinow reported Caspian Tern, Stilt Sandpiper, Great Egret, and 4 Lark Bunting.
---On August 16 at Arapaho NWR Auto Loop, Henrey Deese reported Lark Bunting. On August 19 at Arapahoe NWR Auto Loop, Steve Mlodinow reported Dunlin, 2 Stilt Sandpipers, 5 Semipalmated Sandpipers, 7 Pectoral Sandpipers and Lark Bunting.
---On August 19 at Rand Road Wetland, Steve Mlodinow reported McCown's Longspur.
---On August 19 at 18 Island Reservoir, Steve Mlodinow reported Piping Plover, Semipalmated Sandpiper.
---On August 19 in Rand (town), Steve Mlodinow reported 6 Northern Waterthrush.
JEFFERSON COUNTY:
---On August 19 at Cold Creek OS, Cynthia Kristensen reported 2 Eastern Phoebe.
---On August 21 at Newton Park in Conifer, Myron Gerhard and Mark Chavez reported 3 Red Crossbills and Black-and-white Warbler.
KIOWA COUNTY:
---On August 20 at Neenoshe Reservoir, David Tonnessen and Jim Merrit reported Semipalmated Plover, Long-billed Curlew, Lesser Black-backed Gull, Hairy Woodpecker (eastern), Cassin's Vireo, 2 Curve-billed Thrashers, Indigo Bunting, Upland Sandpiper and 2 NEOTROPIC CORMORANTS. On August 21 at Neenoshe Reservoir, Kathy Mihm Dunning and Tony Leukering reported Lesser Black-backed Gull.
KIT CARSON COUNTY:
---On August 22 at FLager Reservoir SWA below dam, Norm Erthal reported Philadelphia Vireo, Red-headed Woodpecker, and Least Flycatcher; David Tonnessen reported 2 Red-headed Woodpeckers, 2 Least Flycatchers, and Eastern Warbling Vireo.
LA PLATA COUNTY:
---On August 18 at Pastorius Reservoir, Josh Lefever reported Solitary Sandpiper, Willow Flycatacher, Gray Flycatcher, Dusky Flycatcher, Black Phoebe, 4 Townsend's Warbler (2 ad m, 1 imm m, 1 f).
---On August 18 on Animas River –Huck Finn Pond and Hatchery area, Ryan Votta reported Northern Waterthrush.
---On August 21 at Pastorius Reservoir, David Dunford and Susan Allerton reported Willet and 3 Woodhouses's Scrub-Jay.
---On August 21 on River Trail behind high school in Durango, Ryan Votta reported Eastern Kingbird.
LARIMER COUNTY:
---On August 17 at Timnath Reservoir, Nick Komar reported Marbled Godwit, 2 Solitary Sandpipers, and 2 Caspian Terns. On August 18 at Timnath Reservoir, Andy Bankert and Caroline Olson reported Greater White-fronted Goose, Cackling Goose, and 4 Caspian Terns; Nick Komar and Georgia Doyle reported 4 Caspian Terns. On August 19 at Timnath Reservoir, Nick Komar, Nick jr, and Walter Wehtje reported Greater White-fronted Goose, 2 Common Tern, and Caspian Tern. On August 22 at Timnath Reservoir, Josh Bruening reported 5 Caspian Terns; Nick Komar and Nick Jr, reported Greater White-fronted Goose, Marbled Godwit, 2 Lesser Black-backed Gulls (1 ad, 1 2nd-cyc), and 2 Caspian Terns.
---On August 17 at Dixon Reservoir, Brad Biggerstaff reported Bushtits including a partially black-eared form.
---On August 17 at Wellington SWA – Cobb Lake Unit, Andy Bankert and Caroline Olson reported Chukar and Marsh Wren.
---On August 20 at Red Feather Lakes, Joel Adams reported 3 Red Crossbill.
---On August 22 at Kilpecker Trail, Joel Adams reported 2 Red Crossbill.
LOGAN COUNTY:
---On August 19 at Tamarack Ranch SWA, Chuck Hundertmark and DFO field trip reported 3 EASTERN MEADOWLARK, 10 Red-headed Woodpeckers, Red-bellied Woodpecker, 3 Northern Cardinals, and 4 Dickcissel.
MESA COUNTY:
---On August 18 at Grand Junction WA Gunnison River Trail, David Price reported Black-and-white Warbler. On August 19 at Grand Junction WA, Drew Kelley reported Black-and-white Warbler.
---On August 20 at Flowing Park Reservoir Area, Mike Henwood reported 2 American Three-toed Woodpeckers.
---On August 22 at Horsethief Canyon SWA, Mike Henwood reported 2 Cordilleran Flycatchers, Black Phoebe, Woodhouse's Scrub-Jay and 12 Blue-gray Gnatcatchers.
MOFFAT COUNTY:
---On August 19 at Loudy-Simpson Nature Trail, Jan Leonard reported Northern Mockingbird and Townsend's Warbler. On August 18 at Loudy-Simpson, Forrest Luke reported Clay-colored Sparrow and Northern Waterthrush. On August 20 at Loudy-Simpson, Forrest Luke reported pair of Townsend's Warblers and Blue Grosbeak.
MONTROSE COUNTY:
---On August 18 at Elda's Coen Dexter and Brenda Wright reported Eastern Kingbird.
---On August 20 on Nucla Avenue Five, Coen Dexter and Brenda Wright reported Sandhill Crane.
---On August 20 at Redv ale Pond, Coen Dexter and Brenda Wright reported Greater Yellowlegs.
MONTEZUMA COUNTY:
---On August 15 at Totten Reservoir, Erik Hendrickson reported 2 Sandhill Cranes. On August 16 at Totten Reservoir, Erik Hendrickson reported 2 Black-crowned Night-Heron, Viriginia Rail, and Sora.
OTERO COUNTY:
---On August 16 at Higbee Valley Road (CR 804), Jane Stulp reported Greater Roadrunner, 2 Mississippi Kites, 13 Red-headed Woodpecker, 4 Ladder-backed Woodpecker, 3 Eastern Phoebe, Cassin's Kingbird, 6 Chihuahuan Raven, 4 Bushtit, 3 Eastern Bluebirds, 4 Curve-billed Thrashers, Clay-colored Sparrow, 5 Black-throated Sparrows, 3 Rufous-crowned Sparrows, 2 Summer Tanager, Indigo Bunting. On August 19 at Higbee Valley Road (CR 804), Chris Gilbert reported 2 Eastern Bluebirds, 4 Black-throated Sparrows, 3 Greater Roadrunners, 5 Red-headed Woodpecker, 4 Ladder-backed Woodpeckers, and 2 Curve-billed Thrashers. On August 20, Pablo Quezada, Jim Merritt, and David Tonnessen reported 7 Greater Roadrunner, 2 Mississippi Kites, 7 Red-headed Woodpecker, 3 Ladder-backed Woodpeckers, Dusky Flycatcher, Cassin's Kingbird, 3 Woodhouse's Scrub-Jay, 3 Chihuahuan Raven, 3 Eastern Bluebirds, Curve-billed Thrasher, 5 Black-throated Sparrow, 5 Rufous-crowned Sparrows, 2 Summer Tanagers, and Indigo Bunting. On August 21 at Higbee Valley Road at Vogel Canyon, Kathy Mihm Dunning, Scott Somershoe, and Tony Leukering reported 3 Greater Roadrunner, 2 Upland Sandpipers (flyover), 11 Red-headed Woodpecker, Ladder-backed Woodpecker, 5 Eastern Phoebe, pair of Vermilion Flycatcher, Blue-gray Gnatcatcher, 5 Eastern Bluebirds, 2 Rufous-crowned Sparrows, and f-type Summer Tanager.
---On August 20 at Vogel Canyon, Pablo Quezada and David Tonnessen reported Ladder-backed Woodpecker and Blue-gray Gnatcatcher.
OURAY COUNTY:
---On August 17 at Billy Creek SWA, Sandy Beranich reported Black Phoebe.
---On August 19 on Uncompahgre River at Buckhorn Rd, Betty Fenton reported 3 Eastern Kingbirds.
---On August 20 at Elk Meadows (Miller Mesa), Magda Sokolowski reported Lewis's Woodpecker.
PROWERS COUNTY:
---On August 20 in Lamar on S 13th St., Dorothy Russell reported Baltimore Oriole.
PUEBLO COUNTY:
---On August 17 at Chico Basin Ranch, David Tonnessen reported Solitary Sandpiper, 3 Red-headed Woodpeckers, 4 Ladder-backed Woodpeckers, 2 Least Flycatcher, Gray Flycatcher, Dusky Flycatcher, Eastern Phoebe, Cassin's Vireo, 5 Curve-billed Thrashers, Clay-colored Sparrow, 2 Northern Waterthrush.
ROUTT COUNTY:
---On August 19 at 41850 – 42156 CR 44A in Steamboat Springs, Katie Weeks reported 2 Lark Bunting.
SAN JUAN COUNTY:
---On August 16 in Silverton, Lori Nixon reported m Summer Tanager. On August 20 in Silverton, Lori Nixon reported Summer Tanager and Blue-gray Gnatcatcher.
SAN MIGUEL COUNTY:
---On August 20 at Miramonte Reservoir, Coen Dexter, Brenda Wright, and Eric Hynes reported 4 Baird's Sandpipers, 2 Lewis's Woodpeckers, and 4 Northern Pintail.
---On August 20 at Snyder's Pond, Coen Dexter and Brenda Wright reported Baird's Sandpiper.
---On August 21 on Summit St in Norwood, Coen Dexter reported 2 Eastern Kingbird.
WASHINGTON COUNTY:
---On August 21 at Prewitt Reservoir – Inlet Canal, Doug Faulkner reported Marbled Godwit, 8 Stilt Sandpipers, 8 Sanderling, Buff-breasted Sandpiper, 16 Pectoral Sandpipers, and 17 Black Tern. On August 22 Norm Erthal reported Marbled Godwit, 5 Stilt Sandpipers, 3 Sanderling, 8 Pectoral Sandpipers, 8 Black Tern and juv Red Knot; David Suddjian and his DFO field trip reported Red Knot, Marbled Godwit, 12 Stilt Sandpipers, 6 Sanderling, 14 Pectoral Sandpipers, Herring Gull, 12 Black Tern, Red-headed Woodpecker, and 2 Hairy Woodpeckers.
WELD COUNTY:
---On August 17 at Baxter Lake, Steve Mlodinow reported 2 Solitary Sandpipers, Greater Yellowlegs, 2 Lesser Yellowlegs, and Long-billed Dowitcher.
---On August 21 at Union Reservoir, Steve Mlodinow reported 10 Marsh Wren.
---On August 21 at Loloff Reservoir, Gwen Moore reported Stilit Sandpiper, Greater Yellowlegs, and Lesser Yellowlegs.
---On August 21 at Crow Valley CG, Amy Darling reported Chestnut-sided Warbler.
DFO Field Trips
See DFO website for more information:
San Luis Valley Explorations: The Northern Valley
Thursday, August 23 – Friday, August 24
4:00 PM – 7:00 PM
Rebecca Laroche & Mark Maershek (RebeccaLLaroche AT gmail.com; 626-318-4435)
This trip is FULL.
Rocky Mountain Arsenal NWR
Saturday, August 25
7:00 AM – 12:00 PM
Candice Johnson (candice.johnson AT childrenscolorado.org; 303-329-8131)
Prewitt and Jackson Reservoirs
Sunday, August 26
5:30 AM – 6:00 PM
Joey Kellner (vireo1 AT comcast.net; 303-978-1748)
High Line Canal Trail – West Arapahoe County
Sunday, August 26
6:00 AM – 11:00 AM
Jared Del Rosso (Jared.delrosso AT gmail.com; 617-275-6252)
Good Birding,
Joyce Takamine
Boulder
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