Date: 1/1/18 3:50 am
From: Amy Davenport <cobussec...> [cobirders] <cobirders-noreply...>
Subject: [cobirders] Colorado Rare Bird Alert for January 1, 2018
Happy New Years 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: 12/31/2017
Adams (Black Phoebe)
Arapahoe (Barrow's Goldeneye)
Arapahoe (Pine Warbler, White-winged Scoter, Iceland Gull, Lesser
Black-backed Gull)
Baca (Western Screech-Owl, Curve-billed Thrasher)
Boulder (Tundra Swan, Trumpeter Swan, Red-necked Grebe, White-throated
Clear Creek (White-tailed Ptarmigan)
Delta (Greater White-fronted Goose)
Denver (Lesser Black-backed Gull)
El Paso (Red-breasted Sapsucker, Varied Thrush, Harris's Sparrow,
White-throated Sparrow)
Garfield (Pinyon Jay)
Jefferson (Snowy Owl, Red-necked Grebe)
Larimer (Pine Warbler, Bohemian Waxwing, Northern Saw-whet Owl)
Summit (Barrow's Goldeneye)


Adams County
++++South Platte Birding Area
Black Phoebe --around 64th & York (Bob Canter/Richard Stevens) (first
12/29) last 12/31
(debris around center structure of I270 bridge, north of parking lot)
Barrow's Goldeneye (up to 6) --south/88th avenue (Dale Pate/Candice
Johnson) (first 11/20) 2; last 12/30
++++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) (first 12/24) last
++++Aurora Reservoir
White-winged Scoter (male, female) (Richard Stevens/Christine Alexander)
(first 12/13) 2; last 12/31
Iceland Gull (up to 7) (Diane Roberts/Alexander) (first 12/10) last 12/31
Glaucous Gull (2) (Alexander) first 12/31
Lesser Black-backed Gull (up to 20) (Dave King/Alexander) (first 11/5)
last 12/31
Long-tailed Duck (2 female, 1 male) (Richard Stevens/Hopping) (first
12/13) 4; last 12/30
Mew Gull (Stevens/Hopping) (first 11/5) last 12/30
++++Hollow Park, Cherry Hills Village
White-throated Sparrow (Greg Goodrich) first 12/29

Boulder County
++++Valmont Reservoir Complex
Tundra Swan (Michael Lamson/Willem van vliet) (first 12/28) last 12/31
Trumpeter Swan (3) (Jeff Parks/Willem van vliet) (first 12/30) last 12/31
Red-necked Grebe (Willem van viliet) reported last 12/31
Glaucous Gull (Donald Jones) first 12/30
++++Greenlee Preserve/Waneka Lake
White-throated Sparrow (Randall Siebert) first 12/31
++++Golden Ponds
Swamp Sparrow (3) (Luke Pheneger) (first 12/16) 1; last 12/28

Denver County
++++Marston Reservoir
Lesser Black-backed Gull (Doug Kibbe) first 12/31
Pacific Loon (Alex Hopping/Doug Kibbe) (first 12/16) last 12/29
++++First Creek Trail
Harris's Sparrow (John Breitsch/Gregoriah Hartman) (first 11/29) last
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

Douglas County
++++Salisbury Equestrian Park
Brant --same bird as Twenty mile Pond (Terry Michaels/Loch Kilpatrick)
(first 11/18) last 12/30

El Paso County
++++Broadmoor area
Red-breasted Sapsucker --see directions (David Tonnessen/Roger Linfield &
all) (first 12/21) last 12/31
(Latest: big pine across fairway, opposite House #13; sometimes across #7)
++++Cheyenne Mountain Park
Varied Thrush --across street Starsmore Discovery Center (Deb Carstensen)
first 12/31
++++Red Rock Canyon Open Space
Harris's Sparrow (Jim Merritt) (first 12/10) last 12/31
++++Clear Spring Ranch
White-throated Sparrow (Jim Merritt) first 12/31
Eastern Bluebird (6) (Kevin Ash) first 12/30

Jefferson County
++++Standley Lake area
Snowy Owl --88th & Queen (Bars Moore/Richard Stevens) (first 12/23) last
(roof of eastern picnic table, south side of Standley Lake; 12/31)
++++Coors Pond
Red-necked Grebe (Wood:Barry/Gabriel Wiltse) (first 12/29) last 12/30
++++Clement Park
Greater White-fronted Goose (Alison Field) last 12/30
++++Mt. Falcon Park
Pinyon Jay (6) (Wood) reported 12/29

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

Larimer County
++++3645 Wild Horse Court, Loveland
Pine Warbler (John Reichhardt/Christine Sparks) (first 12/26) last 12/31

(northwest corner of Wild Horse Court and 37th Street, behind the
apartments (visible along 37th across a small park area)
++++Rocky Mountain National Park
Bohemian Waxwing (11) --Cow Creek trail (John Dixon) first 12/31
Northern Saw-whet Owl (John Dixon) last 12/31
++++Running Deer Natural Area
Harris's Hawk --viewed from Colorado Visitor's Center (David Wade/Adam
Vesely) (first 12/10) last 12/30
(just south of recycling center)
++++Rawhide Reservoir
Trumpeter Swan (3 adult) (Wehtje:Komar/Robert Beauchamp) (first 12/9) 3;
last 12/30
Lesser Black-backed Gull (Hopping) first 12/29
++++Trail Ridge Road, Estes Park
Harris's Sparrow (Sherrie Duris) first 12/30
White-throated Sparrow (Sherrie Duris) first 12/30
++++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

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

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
Western Screech-Owl (Danny Akers) last 12/31
Curve-billed Thrasher (Wood:Barry/Akers) (first 12/26) last 12/31
Rufous-crowned Sparrow (Glenn Walbek) 3; last 12/27


Archuleta County
++++San Juan Riverwalk, Pagosa Springs & area
Barrow's Goldeneye (7) (Byron Greco/Jean Zirnhelt) (first 12/26) 6; last

Chaffee County
++++Sands Lake Wildlife Area
Barrow's Goldeneye (up to 12) (Jack Harlan/Chris Brobin) (first 11/17) 4;
last 12/30

Clear Creek County
++++Guanella Pass
White-tailed Ptarmigan (Stevens:Michaels) 4; last 12/30
American Three-toed Woodpecker --Campgrounds (Stevens:Michaels) 1; last
++++Loveland Pass
White-tailed Ptarmigan
(latest: hill north of first pullover south of Pass and west of Hwy 9)
(2) (Michaels & all) last 12/31
(below west side of Summit) (Jacob Washburn: Jamie Thompson) 1; last 12/30

Delta County
++++Confluence Park
Greater White-fronted Goose (2) (Betty Fenton) first 12/31

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
++++Arkansas Riverwalk
Western Screech-Owl --Raynolds parking lot (Norm Lewis) last 12/27

Garfield County
++++New Castle
New Castle
Pinyon Jay (35) (John Drummond) (first 12/28) 36; last 12/31
++++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 (Jim Beatty/David Dunford) (first 12/26) last 12/30

Montezuma County
++++Totten Reservoir
Pinyon Jay (40) (Eric Hynes) first 12/30
++++Parque De Vida, Cortez
Greater White-fronted Goose (3) (Jason St. Pierre) first 12/30

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

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

Summit County
++++Blue River Water Treatment Plant
Barrow's Goldeneye (Stevens & all/Michaels & all) (first 11/19) 12; 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:
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