Date: 12/28/17 3:18 am
From: Amy Davenport <cobussec...> [cobirders] <cobirders-noreply...>
Subject: [cobirders] Colorado Rare Bird Alert for December 28, 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: 12/27/2017
Arapahoe (Pine Warbler, Iceland Gull)
Delta (Fox Sparrow)
El Paso (Red-breasted Sapsucker, Northern Pygmy-Owl)
Fremont (Curve-billed Thrasher, Western Screech-Owl)
Jackson (Greater Sage-Grouse, American Three-toed Woodpecker, Boreal Owl)
Jefferson (Snowy Owl, Bonaparte's Gull, Iceland Gull)
La Plata (American Avocet)
Larimer (Pine Warbler, Lesser Black-backed Gull, Common Redpoll)
Mesa (Western Screech-Owl)
Montrose (Greater White-fronted Goose)
Pueblo (Great Black-backed Gull)


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

Arapahoe County
++++Smoky Hill Village Greenbelt
Pine Warbler --19846 East Garden Drive (Doug Schoch/Loch Kilpatrick)
(first 12/24) last 12/27
++++Cherry Creek Reservoir
Iceland Gull (Ben Sampson) last 12/27
++++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/Norm Lewis)
(first 12/21) last 12/27
(Latest: big pine across fairway, opposite House #13; sometimes across #7)
Yellow-bellied Sapsucker --9-13 Mirada Road (Loch Kilpatrick) first 12/26
++++Stratton Open Space
Northern Pygmy-Owl (David Tonnessen) first 12/27
++++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

Jefferson County
++++Standley Lake area
Snowy Owl --88th & Queen (Bars Moore/M.OB.) (first 12/23) last 12/27
(Latest: Wayne Carle Middle School, northeast of Standley Lake)
(also search: in field northwest of parking lot at 100th avenue & Simms;
Jane Baryames 12/27)
(laster 12/27: south side of Standley Lake)
Bonaparte's Gull (Nathaniel Behl) first 12/27
Iceland Gull (Behl) reported 12/27
++++Clement Park
Greater White-fronted Goose (Christopher Warneke) last 12/26

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

Larimer County
++++3645 Wild Horse Court, Loveland
Pine Warbler (John Reichhardt/Komar) (first 12/26) last 12/27
(northwest corner of Wild Horse Court and 37th Street, behind the
apartments (visible along 37th across a small park area)
++++Larimer County Landfill
Lesser Black-backed Gull (Komar) 1; last 12/27
++++Lake Loveland
Lesser Black-backed Gull (Nick Komar) 1; last 12/27
++++Rocky Mountain National Park
Common Redpoll (12) --Cub Lake trail (Inez Whipple/Alyssia Church:Kris
McDaniel) (reported 11/15) again 12/27
++++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

Pueblo County
++++Pueblo Reservoir
Great Black-backed Gull (adult) (Percival/Kevin Ash) (first 11/7) last
Lesser Black-backed Gull (JoAnn Andrews) 2; last 12/26
Iceland Gull (Mlodinow:Walters) 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


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


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

Delta County
++++Paonia Forest Office
Fox Sparrow (Slate-colored) (Dennis Garrison) (first 12/19) last 12/27

Fremont County
++++MacKenzie Avenue & Grandvew Avenue, Canon City
Curve-billed Thrasher (Norm Lewis) first 12/27
++++Arkansas Riverwalk
Western Screech-Owl --Raynolds parking lot (Norm Lewis) last 12/27
++++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

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

Mesa County
++++Grand Junction Wildlife Area
Western Screech-Owl (Mike Henwood) last 12/27
++++County Road G & Patterson, Grand Junction
Harris's Sparrow (Denise & Mark Patterson) first 12/26

Montrose County
++++Otter Pond
Greater White-fronted Goose (Betty Fenton/Vic Zerbi) (first 12/20) last
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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