Date: 12/30/17 3:19 am
From: Amy Davenport <cobussec...> [cobirders] <cobirders-noreply...>
Subject: [cobirders] Colorado Rare Bird Alert for December 30, 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: 12/29/2017
Adams (Black Phoebe, Greater White-fronted Goose)
Arapahoe (Pine Warbler, Long-tailed Duck, White-winged Scoter, Lesser
Black-backed Gull, White-throated Sparrow)
Boulder (Tundra Swan)
Chaffee (Barrow's Goldeneye)
Denver (Pacific Loon, Swamp Sparrow, Greater White-fronted Goose)
El Paso (Red-breasted Sapsucker)
Fremont (Western Screech-Owl)
Jefferson (Snowy Owl, Common Loon, Red-necked Grebe, Pinyon Jay)
Jefferson/Douglas (Common Loon)
Larimer (Harris's Hawk, Pine Warbler, Trumpeter Swan, Lesser Black-backed
Gull, Greater Scaup, Greater White-fronted Goose, Northern Saw-whet Owl)
Montrose (Greater Scaup)
Pueblo (Pacific Loon, Bonaparte's Gull, Iceland Gull, Lesser Black-backed
Gull, Great Black-backed Gull)
Routt (Bohemian Waxwing)
Summit (Barrow's Goldeneye)
Weld (Long-eared Owl)


Adams County
++++South Platte Birding Area
Black Phoebe --around 64th & York (Bob Canter) first 12/29
Barrow's Goldeneye (up to 6) --south/88th avenue (Dale Pate/Christopher
Warneke) (first 11/20) 1; last 12/28
++++Barr Lake
Greater White-fronted Goose (2) (Eric DeFonso) last 12/29

Arapahoe County
++++Smoky Hill Village Greenbelt
Pine Warbler --19846 East Garden Drive (Doug Schoch/Kilpatrick:Walbek)
(first 12/24) last 12/29
++++Aurora Reservoir
Long-tailed Duck (2 female, 1 male) (Richard Stevens/Michaels) (first
12/13) 2; last 12/29
White-winged Scoter (male, female) (Richard Stevens/Michaels) (first
12/13) 2; last 12/29
Lesser Black-backed Gull (up to 10) (Terry Michaels) last 12/29
++++Hollow Park, Cherry Hills Village
White-throated Sparrow (Greg Goodrich) first 12/29
++++Cherry Creek Reservoir
Iceland Gull (Ben Sampson) last 12/27

Boulder County
++++Valmont Reservoir Complex
Tundra Swan (Michael Lamson/Richard Trinkner) (first 12/28) last 12/29
Iceland Gull (Ted Floyd) first 12/27
++++Golden Ponds
Swamp Sparrow (3) (Luke Pheneger) (first 12/16) 1; last 12/28

Broomfield County
++++Baseline Road & Huron Street
Burrowing Owl --southwest corner (Ivan Mota) (first 12/15) last 12/28

Denver County
++++Marston Reservoir
Pacific Loon (Alex Hopping/Doug Kibbe) (first 12/16) last 12/29
++++First Creek Trail
Swamp Sparrow (reported in both Denver & Adams Ctys) (John Breitsch)
first 12/29
++++Denver City Park
Greater White-fronted Goose (2) (Eric DeFonso) last 12/29

El Paso County
++++Broadmoor area
Red-breasted Sapsucker --see directions (David Tonnessen/Patrick
O'Driscoll) (first 12/21) last 12/29
(Latest: big pine across fairway, opposite House #13; sometimes across #7)
++++Stratton Open Space
Northern Pygmy-Owl (David Tonnessen) first 12/27

Jefferson County
++++Standley Lake area
Snowy Owl --88th & Queen (Bars Moore/Dave King) (first 12/23) last 12/29
Common Loon (Matt Hofeditz) first 12/29
Lesser Black-backed Gull (Paul Hurtado) first 12/28
Bonaparte's Gull (Nathaniel Behl) first 12/27
Iceland Gull (Behl) reported 12/27
++++Coors Pond
Red-necked Grebe (Wood:Barry) reported 12/29
++++Mt. Falcon Park
Pinyon Jay (6) (Wood) reported 12/29

Jefferson/Douglas Counties
++++Chatfield Reservoir
Common Loon (Diane Roberts) first 12/29

Larimer County
++++Running Deer Natural Area
Harris's Hawk --viewed from Colorado Visitor's Center (David Wade/Robert
Beauchamp) (first 12/10) last 12/29
++++3645 Wild Horse Court, Loveland
Pine Warbler (John Reichhardt/David Leatherman) (first 12/26) last 12/29
(northwest corner of Wild Horse Court and 37th Street, behind the
apartments (visible along 37th across a small park area)
++++Rawhide Reservoir
Trumpeter Swan (3 adult) (Walter Wehtje:Nick Komar/Alec Hopping) (first
12/9) 2; last 12/29
Lesser Black-backed Gull (Hopping) first 12/29
++++Namaqua West Pond
Greater Scaup (Nick Komar) first 12/29
++++Larimer County Landfill
Lesser Black-backed Gull (Komar) 1; last 12/29
++++Horsetooth Reservoir
Lesser Black-backed Gull (5) (Wade/Alec Hopping) (first 12/19) 1; last
Glaucous Gull (Nick Komar) (first 12/17) last 12/28
++++Fort Collins City Park Area
Greater White-fronted Goose (Komar/Alec Hopping) first (first 12/25) last
++++CSU Environmental Learning Center to Cattail Chorus
Greater White-fronted Goose (9) (Josh Bruening/Robert Beauchamp) (first
12/6) 4; last 12/29
++++Zimmerman Lake Loop Trail
Northern Saw-whet Owl (Komar) first 12/28
++++CSU Oval
Varied Thrush (Sean Walters) first 12/28
++++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
++++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

Pueblo County
++++Pueblo Reservoir
Pacific Loon (David Tonnessen) first 12/29
Bonaparte's Gull (54) (Tonnessen) last 12/29
Iceland Gull --south marina (Doug Kibbe/Tonnessen) (first 12/16) 2; last
Lesser Black-backed Gull (Tonnessen) 21; last 12/29
Great Black-backed Gull (adult) (Percival/Tonnessen) (first 11/7) last
Prairie Warbler --below dam/Juniper Road (Leon Bright/Nate Kauffman)
(first 12/5) last 12/28
Common Loon (Lareina Niland) last 12/28
++++Pueblo City Park
Barrow's Goldeneye (2) --Goodnight Trail (Jane Stulp/Kauffman) (first
12/9) 1; last 12/28

Weld County
++++Crow Valley Campground
Common Redpoll (1) campgrounds to work center (Stevens:Kosten) last 12/28
++++Lower Latham Reservoir
Short-eared Owl (Stevens:Kosten) first 12/28


Baca County
++++Cottonwood Canyon
Rufous-crowned Sparrow (Glenn Walbek) 3; last 12/27
Fox Sparrow --see map (Wood:Barry) first 12/26
White-throated Sparrow --see map (Wood:Barry) first 12/26


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

Chaffee County
++++Sands Lake Wildlife Area
Barrow's Goldeneye (2) (Jack Harlan/Chris Brobin) (first 11/17) 12; last
++++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

Eagle County
++++Spring Park Reservoir
Lewis's Woodpecker (Ted Robertson) first 12/28

Fremont County
++++Arkansas Riverwalk
Western Screech-Owl --Raynolds parking lot (Myron Gerhard) last 12/29
Pinyon Jay (25) (Joy Lake) first 12/28
++++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

Garfield County
++++New Castle
Pinyon Jay (35) (John Drummond) first 12/28
++++Carbondale (2-12 Brown Court)
Trumpeter Swan (6) (Ted Robertson:Dick Filby) first 12/28
Barrow's Goldeneye (2) (Robertson:Filby) first 12/28

Jackson County
++++Colorado State Forest
American Three toed Woodpecker
(m) --Across Hwy 14/north of Colorado State Forest Visitor's Center
(Stevens:Kosten) last 12/28
(1) --Ranger Lakes (CoBus group) last 12/27
Boreal Owl
(1) --south/Crags Campgrounds (CoBus group) last 12/27
(2)--from Hwy 14, west of Cameron Pass (CoBus group) last 12/27

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
++++Dolores Sewage Pond
Greater Scaup (female) (Brenda Wright) first 12/29
++++Otter Pond
Greater White-fronted Goose (Betty Fenton/Vic Zerbi) (first 12/20) last

Routt County
++++Steamboat Springs
Bohemian Waxwing (12) (Tresa Moulton) first 12/29

Summit County
++++Blue River Water Treatment Plant
Barrow's Goldeneye (Stevens & all/JoAnn Riggle) (first 11/19) 18; 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
Subscribe to "cobirders" by sending blank email to:
cobirders-subscribe AT
Read "cobirders" at:


Join us on Facebook!