Date: 1/2/18 5:00 am
From: Amy Davenport <cobussec...> [cobirders] <cobirders-noreply...>
Subject: [cobirders] Colorado Rare Bird Alert for January 2, 2018
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: 1/1/2018
Adams (Black Phoebe, Greater White-fronted Goose, Barrow's Goldeneye,
Iceland Gull)
Arapahoe (Greater Scaup, Eastern Screech-Owl, White-throated Sparrow,
Hermit Thrush)
Baca (Common Redpoll)
Boulder (Tundra Swan, Trumpeter Swan, Greater White-fronted Goose, Lesser
Black-backed Gull)
Chaffee (Barrow's Goldeneye)
Clear Creek (White-tailed Ptarmigan)
Delta (Greater White-fronted Goose)
Douglas (Brant)
El Paso (Red-breasted Sapsucker, Varied Thrush, Winter Wren, Eastern
Fremont (Rufous-crowned Sparrow, Williamson's Sapsucker, Greater
White-fronted Goose, Western Screech-Owl, Curve-billed Thrasher, Black
Garfield (Barrow's Goldeneye)
Jefferson (Snowy Owl, Red-necked Grebe, Harris's Sparrow, Greater
White-fronted Goose)
La Plata (Swamp Sparrow, Barrow's Goldeneye)
Larimer (Pine Warbler, Red-necked Grebe, Lesser Black-backed Gull, American
Three-toed Woodpecker, Harris's Hawk)
Mesa (Northern Pygmy-Owl)
Moffat (Bohemian Waxwing)
Pueblo (White-winged Scoter, Eastern Bluebird, Harris's Sparrow, Pacific
Loon, Common Loon, Least Sandpiper, Mew Gull, Bonaparte's Gull, Lesser
Black-backed Gull, Great Black-backed Gull, Prairie Warbler, Carolina Wren)
San Juan (Rosy Finches)
Summit (Barrow's Goldeneye)
Weld (Greater White-fronted Goose, Gray-crowned Rosy Finch)


Adams County
++++South Platte Birding Area
Black Phoebe --around 64th & York (Bob Canter/Richard Stevens) (first
12/29) last 1/1
(debris around center structure of I270 bridge, north of parking lot to
Sand Creek)
Greater White-fronted Goose --same as Black Phoebe (Walbek:Kilpatrick)
first 1/1
Barrow's Goldeneye (up to 6) --south/88th avenue (Dale Pate/Richard
Stevens) (first 11/20) 2; last 1/1
++++Hidden Lake
Iceland Gull (Gabriel Wiltse) first 1/1

Arapahoe County
++++South Platte Park
Greater Scaup (25) --near nature center (Orien Richmond) reported 1/1
++++Blackmer Lake Area
Eastern Screech-Owl (Jared Del Rosso) first 1/1
++++Dahlia Hollow Park
White-throated Sparrow --near Highline Canal (Jared Del Rosso) (first
12/29) last 1/1
Hermit Thrush --near Highline Canal (Jared Del Rosso) first 1/1
Pine Warbler (Bez Bezuidenhout) first 12/31
++++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

Boulder County
++++Valmont Reservoir Complex
Tundra Swan (Michael Lamson/Richard Trinkner) (first 12/28) last 1/1
Trumpeter Swan (3) (Jeff Parks/Trinkner) (first 12/30) last 1/1
Greater White-fronted Goose (3) (Zmolek) first 1/1
Red-necked Grebe (Willem van viliet) reported last 12/31
Glaucous Gull (Donald Jones) first 12/30
++++Erie Reservoir
Lesser Black-backed Gull (Bob Spencer) first 1/1
++++Greenlee Preserve/Waneka Lake
White-throated Sparrow (Randall Siebert) first 12/31

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

Douglas County
++++Salisbury Equestrian Park
Brant --same bird as Twenty mile Pond (Terry Michaels/Loch Kilpatrick)
(first 11/18) last 1/1

El Paso County
++++Broadmoor area
Red-breasted Sapsucker --see directions (David Tonnessen/Stevens & all)
(first 12/21) last 1/1
(Latest: big pine across fairway, opposite House #13)
++++Cheyenne Mountain Road
Varied Thrush --across street Starsmore Discovery Center (Deb
Carstensen/Stevens) (first 12/31) last 1/1
(along Cheyenne creek just upstream from pullover #3, near large
Ponderosa Pine)
++++Fountain Creek Regional Park
Winter Wren (Tim Leppek) first 1/1
++++Clear Spring Ranch
Eastern Bluebird (6) (Kevin Ash/Jim Merritt) (first 12/30) 1; last 1/1
White-throated Sparrow (Jim Merritt) first 12/31
++++Red Rock Canyon Open Space
Harris's Sparrow (Jim Merritt) (first 12/10) last 12/31

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/Frank Farrell & all) (first 12/29) last 1/1
++++Two Ponds National Wildlife Refuge
Harris's Sparrow (Gabriel Wiltse) first 1/1
++++Clement Park
Greater White-fronted Goose (Myron Gerhard) last 1/1

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

Larimer County
++++3645 Wild Horse Court, Loveland
Pine Warbler (John Reichhardt/Bergstrom:Klaver:Hess) (first 12/26) last
(northwest corner of Wild Horse Court and 37th Street, behind the
apartments (visible along 37th across a small park area)
++++Green Ridge Glade Reservoir
Red-necked Grebe (John Shenot:Michael Costello) first 1/1
++++Carter Lake
Red-necked Grebe (John Shenot) first 1/1
Lesser Black-backed Gull (2) (Bill Kaempfer) first 1/1
++++Bobcat Ridge Natural Area
American Three-toed Woodpecker (Andy Bankert) reported 1/1
++++Running Deer Natural Area
Harris's Hawk --viewed from Colorado Visitor's Center (David Wade/Jim
Thompson) (first 12/10) last 12/31
(just south of recycling center)
++++Rocky Mountain National Park
Bohemian Waxwing (11) --Cow Creek trail (John Dixon) first 12/31
Northern Saw-whet Owl (John Dixon) last 12/31
++++Rawhide Reservoir
Trumpeter Swan (3 adult) (Wehtje:Komar/Robert Beauchamp) (first 12/9) 3;
last 12/30
++++Trail Ridge Road, Estes Park
Harris's Sparrow (Sherrie Duris) first 12/30
White-throated Sparrow (Sherrie Duris) first 12/30

Pueblo County
++++Lake Beckwith
White-winged Scoter (Dave Silverman/Paul Hurtado) (first 11/21) last 1/1
Eastern Bluebird (Gwen Moore) first 1/1
Harris's Sparrow (Gwen Moore) first 1/1
++++Pueblo Reservoir
Pacific Loon (David Tonnessen/DeBoer) (first 12/29) last 1/1
Common Loon (Ash & all) last 1/1
Least Sandpiper (Kevin & Jerry DeBoer) first 1/1
Mew Gull (DeBoer) last 1/1
Bonaparte's Gull (4) (Kellner:Lawrence) last 1/1
Lesser Black-backed Gull (Kevin Ash) 3; last 1/1
Great Black-backed Gull (adult) (Percival/Ash) (first 11/7) last 1/1
Prairie Warbler --below dam/Juniper Road (Leon Bright/DeBoer) (first
12/5) last 1/1
Iceland Gull --south marina (Doug Kibbe/Tonnessen) (first 12/16) last
++++Pueblo City Park
Carolina Wren (Percival/Jerry & Kevin DeBoer) (first 11/15) last 1/1

Weld County
++++Windsor Lake
Greater White-fronted Goose (Gene Rutherford) last 1/1
++++Pawnee National Grasslands area
Gray-crowned Rosy Finch (30) --CR 124/CR 67 (Shawn Mason) reported 1/1


Baca County
++++Cottonwood Canyon
Western Screech-Owl (Danny Akers) last 12/31
Curve-billed Thrasher (Wood:Barry/Akers) (first 12/26) last 12/31
Common Redpoll (Mlodinow/Akers) (first 12/15) 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) (first 11/17) 6; last 1/1

Clear Creek County
++++Guanella Pass
White-tailed Ptarmigan (Sheridan Samano) 10; last 1/1
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/Filby:Robertson) (first
12/31) last 1/1

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

Fremont County
++++Tunnel Drive area
Rufous-crowned Sparrow (3) (Ash:Kellner:Suddjian) last 1/1
++++Lakeside Cemetery
Williamson's Sapsucker (Kevin Ash) 3; last 1/1
++++Valco Ponds, Canon City
Greater White-fronted Goose (4) (Adams/Kevin Ash) (first 11/12) last 1/1
++++Brush Hollow Wildlife Area
Western Screech-Owl (Joel & Dale Adams) first 1/1
Curve-billed Thrasher (Joel & Dale Adams) last 1/1
++++Canon City
Black Phoebe --1364-1498 Ash Street (Joey Kellner) first 1/1
++++Arkansas Riverwalk
Western Screech-Owl --Raynolds parking lot (Myron Gerhard) last 12/29

Garfield County
++++Downstream Catherine Store Bridge, Carbondale
Barrow's Goldeneye (12) (Dick Filby:Ted Robertson) first 1/1
++++New Castle
Pinyon Jay (35) (John Drummond) (first 12/28) 36; last 12/31

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
++++Animas River Trail
Swamp Sparrow --behind Home Depot (Susan Allerton) first 1/1
Barrow's Goldeneye (3) --behind Escalante School (Allerton) last 1/1
++++Zink's Pond
American Avocet (Jim Beatty/David Dunford) (first 12/26) last 12/30

Mesa County
++++Powderhorn Ski Area
Northern Pygmy-Owl (Vollmar) last 1/1

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

Moffat County
++++Loudy Simpson Park
Bohemian Waxwing (85) (Jan Leonard) first 12/31

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

San Juan County
Rosy Finches (45, no Black) (Matthew Wlliams/Jim Beatty) (first 12/12)
76; last 1/1

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

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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