Date: 12/27/17 3:15 am
From: Amy Davenport <cobussec...> [cobirders] <cobirders-noreply...>
Subject: [cobirders] Colorado Rare Bird Alert for December 27, 2017
Hello cobirders

Our report is called Rare Bird Alert because search engines find it
better. The report is really "Uncommon Bird Report" Not all uncommon
birds are rare birds. Birders may want to know where to see them anyway!
Without being a member, "cobirders" can be read at:

Report Uncommon Birds at: 303-324-7994 or

NOTE: Reports do not confirm sightings. Choose to chase at your own risk
and expense.!
NOTE: To reduce length of report, only recent sightings listed; visit
Colorado Birding Society's website everyday for additional sightings!

Reports added: 12/26/2017
Arapahoe (Pine Warbler, Long-tailed Duck, White-winged Scoter, Lesser
Black-backed Gull, Greater White-fronted Goose, Greater Scaup)
Archuleta (Barrow's Goldeneye)
Baca (Fox Sparrow, White-throated Sparrow, Rufous-crowned Sparrow)
Bent (Chihuahuan Raven, Sage Thrasher)
Boulder (Greater White-fronted Goose, Pacific Loon)
Chaffee (Barrow's Goldeneye)
El Paso (Red-breasted Sapsucker, Yellow-bellied Sapsucker, Greater Scaup)
Fremont (Barrow's Goldeneye)
Jefferson (Snowy Owl, Greater White-fronted Goose)
Kit Carson (Barn Owl, Long-eared Owl, Chestnut-collared Longspur)
La Plata (Pinyon Jay, American Avocet)
Larimer (Harris's Hawk, Swamp Sparrow, Northern Pygmy-Owl)
Mesa (Harris's Sparrow, Western Screech-Owl)
Pueblo (Iceland Gull, Lesser Black-backed Gull, Great Black-backed Gull,
Varied Thrush, Prairie Warbler)
Teller (Rosy Finches)


Adams County
++++South Platte Birding Area
Barrow's Goldeneye (up to 6) --south/88th avenue (Dale Pate/Eric DeFonso)
(first 11/20) 1; last 12/25
++++McKay Lake
Franklin's Gull (Matt Hofeditz) first 12/23
Lesser Black-backed Gull (Hofeditz) first 12/23
Swamp Sparrow (Hofeditz) last 12/23
++++Rocky Mountain Arsenal
Tundra Swan (Stevens/Dave King) (first 12/15) last 12/23
Trumpeter Swan --Lower Derby Lake (DeFonso/Bryan Johnson) (first 12/10)
last 12/13
Tundra Swan (Snyder/Diane Roberts) (first 11/12) last 11/20
(NOTE: all Lower Derby Lake, all sightings confirmed by photos)

Arapahoe County
++++Smoky Hill Village Greenbelt
Pine Warbler --19846 East Garden Drive (Doug Schoch) (first 12/24) last
++++Aurora Reservoir
Long-tailed Duck (2 female, 1 male) (Richard Stevens/Kosten) (first
12/13) 2; last 12/26
White-winged Scoter (male, female) (Richard Stevens/Kosten) (first 12/13)
2; last 12/26
Lesser Black-backed Gull (up to 10) (Stevens) last 12/26
Greater White-fronted Goose (Mlodinow) last 12/26
++++Northern Wildlife Area to Bowles Avenue
Greater Scaup (4) (Christopher Warneke) first 12/26
Bonaparte's Gull (Brian Johnson) first 12/25
++++South Platte Park Reservoir & Area
Greater Scaup (2) (Christopher Warneke/Kerrie Lagon) (first 11/24) 2;
last 12/25
Barrow's Goldeneye (2) (Ben Sampson/Kerrie Lagon) (first 12/16) last 12/25

Boulder County
++++Valmont Reservoir Complex
Greater White-fronted Goose (Peter Burke) last 12/26
Pacific Loon (Bill Kaempfer/Bob Spencer) (first 12/10) last 12/26
Red-necked Grebe (2) (Michael Lamson/Ted Floyd) (first 12/16) 2; last
Lesser Black-backed Gull (2) (Floyd) first 12/25

Denver County
++++First Creek Trail
Harris's Sparrow (John Breitsch) (first 11/29) last 12/25

El Paso County
++++Broadmoor area
Red-breasted Sapsucker --see directions (David Tonnessen/Scott & Jill
Somershoe) (first 12/21) last 12/26
(Latest: big pine across fairway, opposite House #7)
Yellow-bellied Sapsucker --9-13 Mirada Road (Loch Kilpatrick) first 12/26
++++Ute Valley Park
Yellow-bellied Sapsucker (Chris Brobin) first 12/26
++++Fountain Creek Regional Park
Greater Scaup --below nature center (Alan Ketcham) first 12/26
++++Doubletree Hotel Pond
Greater White-fronted Goose (David & John Marvin) first 12/25

Huerfano County
++++La Veta Town Lakes
Rosy Finches (3, Brown-capped, 2 Black) (Gwen Moore) first 12/23

Jefferson County
++++Standley Lake area
Snowy Owl --88th & Queen (Bars Moore/Jacob Washburn:Jamie Thompson)
(first 12/23) last 12/26
(Latest: Standley Lake dam crest, earlier 12/25: south side of Standley
(also search: in field northwest of parking lot at 100th avenue & Simms)
++++Clement Park
Greater White-fronted Goose (Christopher Warneke) last 12/26
++++Belmar Historic Park
Greater Scaup (Chris Wood:Jessie Barry) last 12/24
++++Belmar Place apartment Lake (#640 & 620)
Yellow-throated Warbler (Bill Eley/Norm Lewis) (first 12/16) last 12/23

Jefferson/Douglas Counties
++++Chatfield Reservoir
Common Redpoll --Audubon Center & trails (Wood:Barry) first 12/25

Larimer County
++++Running Deer Natural Area
Harris's Hawk --viewed from Colorado Visitor's Center (David Wade/Gary
Lefko) (first 12/10) last 12/26
++++Prospect Ponds Natural Area
Swamp Sparrow (Chris Gilbert) first 12/26
++++Poudre Canyon
Northern Pygmy-Owl --east of Rustic (Bert Harris) (first 12/23) last
++++Horsetooth Reservoir
Lesser Black-backed Gull (5) (Wade/Walter Wehtje) (first 12/19) 1; last
++++Grandview Cemetery
Eastern Screech-Owl (red form) (Nick Komar) last 12/25
++++Spring Canyon Community Park
Eastern Screech-Owl (Kevin Keirn) last 12/25
++++Rawhide Reservoir
Tundra Swan (Leatherman) first reported 12/24
Trumpeter Swan (3 adult) (Walter Wehtje:Nick Komar/Komar) (first 12/9)
last 12/17
++++Lee Martinez Park
Gray Catbird (Caroline Olson:Andy Bankert) first 12/24

Pueblo County
++++Pueblo Reservoir
Lesser Black-backed Gull (JoAnn Andrews) 2; last 12/26
Iceland Gull (Mlodinow:Walters) last 12/26
Great Black-backed Gull (adult) (Percival/Mlodinow:Walters) (first 11/7)
last 12/26
Varied Thrush --Rock Canyon area, see map (Mlodinow:Walters) first 12/26
Prairie Warbler --below dam/Juniper Road (Leon Bright/Mlodinow:Walters)
(first 12/5) last 12/26
++++Pueblo City Park
Carolina Wren (Percival/Robb Hinds) (first 11/15) last 12/23


Baca County
++++Cottonwood Canyon
Fox Sparrow --see map (Wood:Barry) first 12/26
White-throated Sparrow --see map (Wood:Barry) first 12/26
Rufous-crowned Sparrow (Wood:Barry) 1; last 12/26

++++Hwy 109, btw CR 1 & CR 90 (see map)
Chihuahuan Raven (5) (Wood:Barry) first 12/26
Sage Thrasher (Wood:Barry) first 12/26


Kit Carson County
++++Flagler Reservoir
Barn Owl (Bill Kaempfer) last 12/26
Long-eared Owl (Mark Amershek) last 12/26
Chestnut-collared Longspur (Jeff Dawson) first 12/26

Logan County
++++Tamarack Ranch Wildlife Area
Golden-crowned Sparrow --CR 93 & South Platte River (Bill Kaempfer) first
Red-bellied Woodpecker (2) (Bill Kaempfer) last 12/23
Eastern Screech-Owl (1) (Rebecca Laroche) 3; last 12/23
Long-eared Owl (Kathy Mihm-Dunning) first 12/23
Eastern Bluebird (65) (Laroche) last 12/23
++++Interstate 76
Greater Prairie-Chicken (30) --see map (Glenn Walbek) first 12/23
++++Duck Creek Wildlife Area
Red-bellied Woodpecker (4) (Austin Hess) last 12/23
++++I76 & Galien
Snowy Owl --CR 67, east of Galien (Stevens:Michaels) first 12/21
Snowy Owl --I76, mile 130 (Janice & Paul Sweet) first 12/20

Yuma County
++++Bonny Reservoir Area
Eastern Screech-Owl (Austin Hess) 3; last 12/22
Purple Finch --below dam (Loch Kilpatrick) first 12/22
Eastern Bluebird (2) --below dam (Robert Beauchamp) last 12/22
Eastern Bluebird (5) --wagon wheel CG (Austin Hess) last 12/22
Eastern Bluebird (14) --CR 5.5 (Walbek) first 12/22
Common Redpoll (16) --CR 5.5 (Glenn Walbek) first 12/22
Greater Prairie-Chicken (9) --CR LL.5 & CR 1 area (Austin Hess) first
Red-bellied Woodpecker --Fosters grove (Erthal) last 12/22
Red-bellied Woodpecker (3) (CR 5.5) (Walbek) last 12/22
Red-bellied Woodpecker --Hale Ponds (Loch Kilpatrick) last 12/21
Eastern Bluebird (5) --CR 4 (Kilpatrick) last 12/21
Harris's Sparrow (4) --CR 5.5 (Walbek) first 12/22
Northern Cardinal (2) --CR 3.5 (Beauchamp) first 12/22
Swamp Sparrow --CR 5 (Walbek) first 12/22
Harris's Sparrow --CR 4 (Kilpatrick) first 12/21
Northern Cardinal --CR LL.5 (Kilpatrick) first 12/21


Archuleta County
++++San Juan Riverwalk, Pagosa Springs & area
Barrow's Goldeneye (7) (Byron Greco) first 12/26

Chaffee County
++++Arkansas River, Buena Vista
Barrow's Goldeneye (10) --at 918 S. Main Street (John-Edd Brown) first

Fremont County
++++Valco Ponds, Canon City
Barrow's Goldeneye (Matt Clark) first 12/26
Greater White-fronted Goose (4) (Adams/Matt Clark) (first 11/12) 5; last
++++Tunnel Drive area
Rufous-crowned Sparrow (5) (Gwen Moore) last 12/25
++++Arkansas Riverwalk
Western Screech-Owl --Raynolds parking lot (Robb Hinds) last 12/25

Grand County
++++Shadow Mountain Reservoir
Barrow's Goldeneye (Slingsby & all/Burke Angstman) (first 12/1) last

La Plata County
++++Zink's Pond
Pinyon Jay (27) (Adrian Johnson) last 12/26
American Avocet (Adrian Johnson) last 12/26

Mesa County
++++County Road G & Patterson, Grand Junction
Harris's Sparrow (Denise & Mark Patterson) first 12/26
++++Grand Junction Wildlife Area
Western Screech-Owl (Nick Korte) last 12/26
++++Powderhorn Ski Area
Rosy Finches (153, 3 species) (Denise & Mark Vollmar) first 12/23

Montrose County
Pinyon Jay (53) --East 5th Avenue (Dexter:Wright) (first 9/15) 18; last

San Miguel County
++++Telluride Ski Area
American Three-toed Woodpecker --base of lift 6 (Aaron Yappert) first

Summit County
++++Blue River Water Treatment Plant
Barrow's Goldeneye (Stevens & all/Chris Brobin) (first 11/19) 15; last

Teller County
Rosy Finches (Cici Lee/Chavez:Hudak) (first 12/5) 75 Black, 1
Gray-crowned) last 12/26

Good Birding!

Directions to birding spots and maps on CoBus website:

Amy Davenport, Secretary, Colorado Birding Society Denver, CO
Contact CoBus/Report Interesting Birds: 303-324-7994
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