Date: 11/20/17 3:39 am
From: Joyce Takamine <jabirujt...>
Subject: [cobirds] Colorado Rare Bird Alert, 20 November 2017
Compiler: Joyce Takamine
e-mail: RBA AT cobirds.org
Date: November 20, 2017

This is the Rare Bird Alert for Monday, November 20 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, *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)
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.

ARAPAHOE COUNTY:
---On November 14 at deKoevend Park Bart Deferme reported Northern
Bobwhite. On November 15 at DeKoevend Park, Steven Rash reported Northern
Bobwhite.

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.

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 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.


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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