Compiler: Joyce Takamine
e-mail: RBA AT cobirds.org
Date: November 21, 2017
This is the Rare Bird Alert for Tuesday, November 21 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 changed.
Greater White-fronted Goose (Douglas, Logan, Montezuma, Sedgwick, Washington)
BRANT (*Douglas)
Cackling Goose (Pueblo)
Trumpeter Swan (Mesa, Routt)
Tundra Swan (*Adams, Mesa, Moffat,Park)
Greater Scaup (Mesa, Routt)
Surf Scoter (Custer, Jefferson, Park, Routt, San Miguel)
White-winged Scoter (Custer, Logan/Sedgwick, Mesa, Park, Routt, San Miguel, Teller)
Long-tailed Duck (Crowley, Mesa, Park)
Barrow's Goldeneye (Eagle, Park, Routt, Summit)
Northern Bobwhite (Arapahoe)
Red-necked Grebe (Otero)
Sandhill Crane (Delta, Morgan)
Sanderling (Pueblo)
Spotted Sandpiper (Jefferson)
Greater Yellowlegs (Douglas, Mesa, Moffat)
Black-legged Kittiwarke (Logan/Sedgwick, Sedgwick)
Sabine's Gull (San Miguel)
Mew Gull (Logan/Sedgwick)
Iceland Gull (Kiowa, Larimer, Logan/Sedgwick, *Pueblo, Washington)
GLAUCOUS-WINGED GULL (Larimer)
Great Black-backed Gull (*Pueblo)
Pacific Loon (Boulder, Park)
Great Egret (Delta, Otero)
Osprey (Adams, Jefferson)
Broad-winged Hawk (Jefferson)
Hammond's Flycatcher (*Boulder)
Black Phoebe (Mesa)
Eastern Phoebe (Morgan)
Steller's Jay (*Arapahoe)
Chihuahuan Raven (El Paso)
Pygmy Nuthatch (Morgan, Phillips)
Winter Wren (El Paso)
Blue-gray Gnatcatcher (Mesa)
Varied Thrush (Boulder)
Curve-billed Thrasher (El Paso)
Bohemian Waxwing (Routt)
American Pipit (San Miguel)
Gray-crowned Rosy-Finch (Mesa)
Black Rosy-Finch (Mesa)
Common Redpoll (El Paso, Larimer, Logan)
Red Crossbill (Boulder, Larimer)
Lapland Longspur (El Paso, Park)
Chestnut-collared Longspur (El Paso)
Snow Bunting (Park)
Lincoln's Sparrow (El Paso, Jefferson, Mesa, Otero)
Swamp Sparrow (Larimer)
White-throated Sparrow (Mesa, Otero)
Harris's Sparrow (Larimer)
Tennessee Warbler (Boulder)
Nashville Warbler (*Boulder)
Common Yellowthroat (Jefferson)
Yellow Warbler (Mesa)
Chestnut-sided Warbler (Mesa, Pueblo)
Black-throated Blue Warbler (Boulder)
Yellow-throated Warbler (*Pueblo)
Black-throated Gray Warbler (Boulder)
Wilson's Warbler (*Fremont)
ADAMS COUNTY:
---On November 12 at Rocky Mountain Arsenal NWR Lower Derby, Bruce Snyder reported Tundra Swan. On November 15 at Rocky Mountain Arsenal NWR Lower Derby Lake, Sara Leavesley and Eric DeFonso reported Tundra Swan. On November 17 at Rocky Mountain Arsenal NWR Lower Derby Lake, Gwen Moore reported Tundra Swan. On November 18 at Rocky Mountain Arsenal NWR Lower Derby Lake, Tundra Swan was reported by Myron Gerhard, Candice Johnson, Eddie Kasper, Riley and Heather Morris and Pablo Quezada. On November 19 at Rocky Mountain Arsenal NWR Lower Derby Lake, Tundra Swan was reported by Ginny Bergstrom, John Cobb, ichael Lamson, Rebecca Laroche, Meg and Richard Reck; John Cobb and icahel Lamson reported Greater Yellowlegs; Michael Lamson reported Osprey.
---On November 20 at Rocky Mounntain Arsenal NWR Lower Derby Lake, Tundra Swan was reported by Monday Birds, Diane Roberts, and Jared Kidder.
ARAPAHOE COUNTY:
---On November 14 at deKoevend Park Bart Deferme reported Northern Bobwhite. On November 15 at DeKoevend Park, Steven Rash reported Northern Bobwhite.
---On November 20 at Chapel Hill Memorial Gardens, Jared Del Rosso reported Steller's Jay.
BOULDER COUNTY:
---On November 11 at Skunk Creek behind Basemar Shopping Center, Topi Martinez reported a Varied Thrush. On November 13 at Skunk Creek behind Basemar Shopping Center, Peter Gent and many other birders reported m Varied Thrush; Bill Kaempfer and many other birders reported m Black-throated Blue Warbler; Bill Kaempfer and Loch Kilpatrick reported Black-throated Gray Warbler. On November 14 at Skunk Creek behind Basemar, Michael McCloy, Austin Hess, and Joshua Smith reported Varied Thrush and Black-throated Blue Warbler; many other birders also reported the two birds. On November 16, at Skunk Creek behind Basemar, Luke Pheneger and many other birds reported Black-throated Blue Warbler. On November 16 at 1630 Pablo Quezada reported Varied Thrush and Black-throated Blue Warbler at Skunk Creek behind Basemar. On November 17 at Skunk Creek behind Basemar, Kevin DeBoer reported Black-throated Blue Warbler.
---On November 17 at Twin Lakes in Boulder, Leslie S reported Tennessee Warbler. Later on November 17, Christian Nunes refound Tennessee Warbler at Red Fox Hills Park which is east of Twin Lakes.
---On November 18 at Panama Reservoir, Ted Floyd reported Pacific Loon.
---On November 18 at Waneka Lake in Lafayette, Ted Floyd reported Red Crossbills.
---On November 18 at Twin Lakes, Todd Deininger, Peter Gent, Aaron Yappert, David Dowell, Peter Burke, Christain Nunes, and Leslie S reported Nashville Warbler. On November 19 at Twin Lakes, Jeff Parks reported Hammond's Flycatcher and Nashville Warbler; John Malenich and Willem Van Vliet reported Hammond's Flycatcher. On November 20 at Twin Lakes, Leslie S reported Nashville Warbler and Hammond's Flycatcher; John Malenich reported Hammond's Flycatcher.
CROWLEY COUNTY:
---On November 15 at Lake Henry, David Chaffin reported f Long-tailed Duck.
CUSTER COUNTY:
---On November 13 at DeWeese Reservoir, Rich Miller reported 3 White-winged Scoters and one unidentified scoter. On November 14 at DeWeese Reservoir, Brandon Percival reported 3 White-winged Scoters and Surf Scoter.
DELTA COUNTY:
---On November 12 on G50 Road W of Delta, Betty Fenton reported Great Egret. On November 13 on G50 Rd, Rick Harner reported Great Egret. On November 19 on G50 Road, Dennis Garrison reported Great Egret and thousands of Sandhill Cranes.
DOUGLAS COUNTY:
---On November 11 at Bar CCC Park, Cheri Phillips reported BRANT. On November 12 at Bar CCC Park and nearby in Parker, Paul Turelli and Cheri Phillips and many other birders reported BRANT. On November 13 at Bar CCC Park, Cynthia Kristensen reported Dark-bellied BRANT. On November 16 at Bar CCC Park in Parker, Loch Kilpatrick, John Drummond, Tim Ryan, and Mary Burger reported BRANT and 2 Greater White-fronted Geese. On November 16 at Bar CCC Park, Sarah Leavesley reported BRANT on reservoir. On November 18 at Bar CCC Pakr, James McCall reported BRANT and Mary O'Connor reported Greater Yellowlegs. On November 19 at Bar CCC Park, Tim Ryan, Dean and Carmencity Shoup, and Yvonne Parrott reported BRANT. On November 20 at Bar CCC Park, Tim Ryan reported BRANT.
---On November 16 at Walker Pit, Hugh Kingery reported Greater White-fronted Goose.
EAGLE COUNTY:
---On November 16 at Ruedi Reservoir, Vic Zerbi reported 3 Barrow's Goldeneyes.
EL PASO COUNTY:
---On November 16 at Fountain Creek RP beaver dam on Rice's Pond, David Tonnessen reported Winter Wren.
---On November 18 on Hanover Rd, David Tonnessen reported Chihuahuan Raven and 3 Curve-billed Thrashers.
---On November 18 at Chico Basin Ranch, David Tonnessen reported Common Redpoll, Lincoln's Sparrow, Chestnut-collared Longspur, and 19 Lapland Longspurs. On November 19 at Chico Basin Ranch, Aaron Yappert reported Curve-billed Thrasher.
---On November 18 at Midway Landfill, David Tonnessen reported 12 Chihuahuan Ravens, Lapland Longspur, and 2 Chestnut-collared Longspurs.
FREMONT COUNTY:
---On November 19 at Canon City River Walk between MacKenzie Ave and S Raynolds Ave, Rich Miller reported Wilson's Warbler.
JEFFERSON COUNTY:
---On November 14 on Bear Creek Greenbelt from S Kipling Pkwy to S Wadsworth Blvd, Mary Burger reported an Osprey.
---On November 14 at Belmar Historic Park, Bez bezuidehout reported imm Greater White-fronted Goose.
---On November 14 at Bear Creek Lake Park Big Soda Lakes N Trail, Pam Zimmer reported Spotted Sandpiper.
---On November 15 at Clement Park and Johnson Reservoir, Diane Roberts reported Greater White-fronts Goose.
---On November 18 at South Platte Reservoir SW bay, Ben Sampson reported 2 Surf Scoters.
---On November 19 at Wheat Ridge Greenbelt, James McCall reported Common Yellowthroat.
LARIMER COUNTY:
---On November 14 at Grandview Cemetery, Nick Komar reported Red Crossbill – Type 2.
---On Novmeber 15 at Spring Canyon Community Park, Walter Wehtje reported Red-Crossill.
---On November 15 in Rocky Mountain NP Cub Lake and Trail, Inez Whipple reported 12 Common Redpoll.
---On November 16 at Lory SP, half way down Kimmons Trail, Kevin Keirn reported 3 Common Redpoll.
---On November 17 at Dixon Reservoir, Nick Komar reported Common Redpoll at north end.
---On November 17 SW of Running Deer NA, Dave Leatherman reported Swamp Sparrow.
---On November 17 along Poudre River, S of Prospect, Dave Leatherman reported 16 Red Crossbills.
---On November 18 at Horseshoe Reservoir, Nick Komar and Walter Wehtje reported 1st-cyc GLAUCOUS-WINGED GULL. On November 18 at Horseshoe Reservoir, David Wade and Nick Komar reported Iceland Gull (Thayer's) and Iceland Gull subspec undetermined.
LOGAN COUNTY:
---On November 18 at Corner of Red Lion Rd and US 138, Bill Kaempfer reported 7 Greater White-Fronted Geese.
---On November 18 at North Sterling SP, Bill Kaempfer reported Common Redpoll.
LOGAN/SEDGWICK COUNTIES:
---On November 14 at Jumbo Reservoir, Cole Wild reported Black-legged Kittiwake and White-winged Scoter. On November 14 at Jumbo Reservoir, Steve Larson reported Black-legged Kittiwake, White-winged Scoter, 2 1st winter Mew Gulls, and ad Iceland (Thayer's) Gull.
MESA COUNTY:
---On November 10 at Highline Lake SP, Denise and Mark Vollmar reported 8 Tundra Swans (2 ad, 6 juv) and 3 Common Loon; Mike Henwood and Gary Atwood reported 8 Tundra Swans. On November 11 at Highline Lake SP, Carol Ortenzio and JoAnn RIggle reported 8 Tundra Swans (2 ad, 6 juv); Ortenzio also reported Blue-gray Gnatcatcher. On November 12 at Highline Lake SP, Ronda Woodward and Deb Stegall reported 8 Tundra Swans and Black Phoebe. On November 13 at Highline Lake SP, JoAnn Riggle reported 8 Tundra Swans and 15 Trumpeter Swans. On November 14 at Highline Lake SP, Carol Ortenzio reported 10 Tundra Swan (3 ad, 7 juv). On November 16 at Highline Lake SP, Connee Moffat reported 10 Tundra Swans. On November 18 at Highline Lake SP, Carol Ortenzio reported 10 Tundra Swans; Glenn Pearson reported 8 Tundra Swans.
---On November 11 at Colorado River SP Fruita Section, Mike Henwood reported juv White-winged Scoter, Black Phoebe and 2 juv Chestnut-sided Warblers; Carol Ortenzio reported White-winged Scoter and Blue-gray Gnatcatcher; Jerry and Linda Elling reported White-winged Scoter. On Novmeber 12 at Colorado River SP Fruita Section, Chestnut-sided Warbler was reported by Jackson Trappett, Katey Buster, Carol Ortenzio, and Lee Stigen, JoAnn RIggle, and Betty Fenton; White-winged Scoter was reported by Ronda Woodward and Deb Stegall and Betty Fenton. On November 13 at Colorado River SP Fruita Section, JoAnn Riggle reported White-winged Scoter, Yellow Warbler, and Chestnut-sided Warbler; Vic Zerbi reported Chestnut-sided Warbler. On November 18 at Colorado River SP Fruita Section, Carol Ortenzio reported Black Phoebe.
---On November 15 at Jerry Creek Reservoir SWA, Mike Henwood reported Greater Yellowlegs. On November 16 at Colorado River SP Fruita Section, Denise and Mark Vollmar reported 2 f Greater Scaup and Chestnut-sided Warbler.
---On November 15 at Powderhorn Ski Area, Mike Henwood reported 2 Gray-crowned Rosy-Finch. On November 18 at Powerhorn Ski Area, Denise and Mark Vollmar reported Black Rosy-Finch.
---On November 16 at Grand Junction WA, Katey Buster and Mike Henwood reported White-throated Sparrow and Lincoln's Sparrow.
---On November 19 at Vega SP, Denise and Mark Vollmar reported White-winged Scoter.
MOFFAT COUNTY:
---On November 15 at pond off Hwy 13 beween turnoffs to Craig Station and Trapper Mine, Forrest Luke 6 Tundra Swans (2 ad, 4 juv) and 4 Greater Yellowlegs.
MONTEZUMA COUNTY:
---On November 14 at Centennial Park, Jim Beatty reported Greater White-fronted Goose.
MORGAN COUNTY:
---On November 18 on Hwy 5 near Wiggins, Bill Kaempfer reported Sandhill Crane.
OTERO COUNTY:
---On November 13 at Holbrook Reservoir, David Chaffin reported Red-necked Grebe. On November 14 at Holbrook Reservoir, Stan Oswald reported Great Egret and Red-necked Grebe.
PARK COUNTY:
---On November 18 at Elevenmile Reservoir, Nick Moore reported 9 Surf Scoters, White-winged Scoter, Pacific Loon, 2 Lapland Longspurs and Snow Bunting. On November 19 at Elevenmile Reservoir, Brandon Percival, Glenn Walbek, and Mark Peterson reported 5 Surf Scoters, White-winged Scoter, Long-tailed Duck, Pacific Loon, 2 Lapland Longspurs, and 2 Snow Bunting; Steve Mlodinow reported 4 Surf Scoter, 2 White-winged Scoters, 4 Barrow's Goldeneyes, 2 Pacific Loon, 14 Lapland Longspurs, Snow Bunting.
---On November 18 at Spinney Mountain Reservoir, Nick Moore reported 11 Tundra Swans.
---On November 18 at Antero Reservoir, Nick Moore reported 21 Tundra Swans. On November 19 at Antero Reservoir, Steve Mlodinow reported 21 Tundra Swans.
PUEBLO COUNTY:
---On November 15 at Pueblo Reservoir, Robb Hinds reported ad Great Black-backed Gull.
---On November 15 along Arkansas River in Pueblo, Brandon Percival reported Chestnut-sided Warbler.
---On November 19 at Pueblo City Park, Mark Yaeger reported Yellow-throated Warbler. On November 20 at Pueblo City Park, Brandon Percival reported Yellow-throated Warbler.
---On Novmeber 20 at Pueblo Reservoir South Shore Marina, Brandon Percival reported Great Black-backed Gull and juv Iceland (Thayer's) Gull.
ROUTT COUNTY:
---On November 12 at Stagecoach Reservoir, Tom Litteral reported Surf Scoter, White-winged Scoter, 11 Barrow's Goldeneyes and just east of reservoir dam on CR 18, Tom Litteral reported 80 Bohemian Waxwings. On November 19 at Stagecoach Reservoir, Tom Litteral and JoAnn Riggle reported Trumpeter Swan east of Oak Creek, White-winged Scoter, Surf Scoter, Greater Scaup, Barrow's Goldeneye.
SAN MIGUEL COUNTY:
---On November 13 at Miramonte Reservoir, George Steele reported 4 Surf Scoters, 2 White-winged Scoters, and 5 American Pipits. On November 18 at Miramonte Reservoir, Eric Hynes reported 4 Surf Scoters, 4 White-winged Scoters, 2 Barrow's Goldeneyes, and 1-st winter Sabine's Gull.
SEDGWICK COUNTY:
---On November 16 at Jumbo Reservoir, Aaron Yappert reported 9 Greater White-fronted Geese and Black-legged Kittiwake.
---On November 18 at Jumbo Reservoir, Bill Kaempfer reported 5 Greater White-fronted Geese.
SUMMIT COUNTY:
---On November 19 at Dillon Reservoir, Tom WIlberding reported Barrow's Goldeneyes.
TELLER COUNTY:
---On November 19 at Manitou Lake, Robb Hinds reported ad m White-winged Scoter. This is a new county bird for Teller County. Later
On November 19, Brandon Percival, Glenn Walbek, and Mark Peterson refound the scoter.
WASHINGTON COUNTY:
---On November 18 at Jumbo Reservoir, Bill Kaempfer reported 6 Greater White-fronted Geese and Iceland (Thayer's) Gull.
DFO Field Trip:
The DFO Field Trip for Friday, November 24 will be to Rocky Mountain Arsenal NWR led by Jill Boice (jill AT booksandcats.net; 303-863-7580). Meet at 0800 at Arsenal Visitors Center, 6550 Gateway Rd, Commerce City. On I-70 east, take exit 278, turn left onto Quebec St, Turn right onto E 64th Ave, tur left onto Trenton St, continue onto Gateway Rd to Visitor Center.
Will visit Lake Ladore and lower Derble Lake. Then will walk one of the lesser used trails. We may walk 3-4 miles on mostly easy trails. Will stop for lunch about 11. Trails are sometimes muddy. Bring water and snacks or lunch. Scopes helpful for lakes but optional Register online or contact leader.
The DFO Field Trip for Saturday, November 25 will be to Walden Ponds Wildlife Habitat/Sawhill led by Paula Hansley (plhansley AT gmai.com; 720-890-2628) Meet at Cottonwood Marsh parking lot at 0700. From northbound US 36, take Foothills Parkway exit. Go north 2 miles to Arapahoe Ave, then east to 75th St. Go north on 75th past Valmont Rd and railroad tracks. Turn left at Wildlife Habitat sign. Follow road west and south to Cottonwood Marsh parking lot.
Will walk 1-2 miles on level bround. Bring binoculars, snacks, and water. Will look for waterfowl on lakes at Walden and Sawhill so bring a scope if you have one. At 75th and Boulder Creek we could find Dippers and lingering migrants. Register online or contact leader.
The DFO Field Trip for Sunday, November 26 will be to Chatfield SP Marina sandspit led by Gregg Goodrich (GreggGoodrich AT gmail.com; 303-665-9135) This trip is full.
Good Birding,
Joyce Takamine
Boulder
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