Date: 1/4/18 4:05 am
From: Amy Davenport <cobussec...> [cobirders] <cobirders-noreply...>
Subject: [cobirders] Colorado Rare Bird Alert for January 4, 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: 1/3/2018
Adams (Black Phoebe, Greater White-fronted Goose, Barrow's Goldeneye, Rusty
Arapahoe (White-winged Scoter, Long-tailed Duck, Lesser Black-backed Gull)
Boulder (Tundra Swan, Trumpeter Swan)
Douglas (Brant)
El Paso (Red-breasted Sapsucker, Varied Thrush, Harris's Sparrow)
Fremont (Williamson's Sapsucker, Western Screech-Owl, Rufous-crowned
Sparrow, Curve-billed Thrasher)
Jefferson (Long-tailed Duck, Red-necked Grebe, Barrow's Goldeneye)
La Plata (White-winged Scoter, Barrow's Goldeneye)
Larimer (Lesser Black-backed Gull, Iceland Gull, Glaucous Gull, Northern
Pygmy-Owl, White-winged Crossbill)
Montrose (American Three-toed Woodpecker, Pinyon Jay)
Otero (Common Redpoll)
Pueblo (Red-necked Grebe, Bonaparte's Gull, Lesser Black-backed Gull, Great
Black-backed Gull, Mew Gull, Iceland Gull, Common Loon, Pacific Loon,
Prairie Warbler, Greater Scaup)
Routt (American Three-toed Woodpecker)
Teller (American Three-toed Woodpecker, Rosy Finches)
Yuma (Greater Prairie-Chicken, Eastern Screech-Owl, Common Redpoll,
Red-bellied Woodpecker, Eastern Bluebird, Northern Cardinal, Harris's
Sparrow, Field Sparrow)


Adams County
++++South Platte Birding Area
Black Phoebe --around 64th & York (Bob Canter/Cheryl Teuton) (first
12/29) last 1/3
(north of parking lot to Sand Creek)
Greater White-fronted Goose --same as Black Phoebe
(Walbek:Kilpatrick/Gabriel Wiltse) (first 1/1) last 1/3
Barrow's Goldeneye (up to 6) --south/88th avenue (Dale Pate/Gwen Moore)
(first 11/20) 2; last 1/3
Rusty Blackbird --78th avenue (Gabriel Waltse) reported 1/3
++++Hidden Lake
Iceland Gull (Gabriel Wiltse) first 1/1

Arapahoe County
++++Aurora Reservoir
White-winged Scoter (male, female) (Richard Stevens/Marion & John Warren)
(first 12/13) 2; last 1/3
Long-tailed Duck (2 female, 1 male) (Richard Stevens/Marion & John
Warren) (first 12/13) 2; last 1/3
Lesser Black-backed Gull (up to 20) (Dave King/Marion & John Warren)
(first 11/5) last 1/3
Iceland Gull (up to 7) (Diane Roberts/Stevens) (first 12/10) last 1/2
++++Smoky Hill Village Greenbelt
Pine Warbler --19846 East Garden Drive (Doug Schoch/Stevens) (first
12/24) last 1/2
++++Dahlia Hollow Park
White-throated Sparrow --near Highline Canal (Jared Del Rosso/Loch
Kilpatrick) (first 1/1) last 1/2
Hermit Thrush --near Highline Canal (Jared Del Rosso) first 1/1
++++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

Boulder County
++++Valmont Reservoir Complex
Tundra Swan (Michael Lamson/Loch Kilpatrick) (first 12/28) last 1/3
Trumpeter Swan (3) (Jeff Parks/Kilpatrick) (first 12/30) last 1/3
Greater White-fronted Goose (3) (Zmolek) first 1/1
++++Boulder Reservoir complex
Tundra Swan (Richard Trinkner) first 1/3
++++Golden Ponds
Swamp Sparrow (3) (Luke Pheneger) (first 12/16) 1; last 1/2
++++Erie Reservoir
Lesser Black-backed Gull (Bob Spencer) first 1/1

Douglas County
++++Salisbury Equestrian Park
Brant --same bird as Twenty mile Pond (Terry Michaels/Cynthia Kristensen)
(first 11/18) last 1/3

El Paso County
++++Broadmoor area
Red-breasted Sapsucker --see directions (David Tonnessen/M.OB.) (first
12/21) last 1/3
(Latest: big pine across fairway, opposite House #13)
++++Cheyenne Mountain Road
Varied Thrush --across street Starsmore Discovery Center (Deb
Carstensen/M.OB.) (first 12/31) last 1/3
(along Cheyenne creek just upstream from pullover #3, near large
Ponderosa Pine)
++++Red Rock Canyon Open Space
Harris's Sparrow (Jim Merritt) (first 12/10) last 1/3
++++Clear Spring Ranch
Eastern Bluebird (6) (Kevin Ash/Alan Versaw) (first 12/30) 6; last 1/2
++++Big Stratton Reservoir
Greater Scaup (Richard Bunn:Jan Allbright) first 1/2
++++Fountain Creek Regional Park
Winter Wren (Tim Leppek) first 1/1

Jefferson County
++++Coors Pond
Long-tailed Duck (Tom & Debbie Behnfield) first 1/3
Red-necked Grebe (Wood:Barry/Behnfield) (first 12/29) last 1/3
++++Robert A. Easton Regional Park
Barrow's Goldeneye (Matt Clark/Brian Johnson) (first 1/2) last 1/3
++++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)
++++Two Ponds National Wildlife Refuge
Harris's Sparrow (Gabriel Wiltse) first 1/1
++++Clement Park
Greater White-fronted Goose (Myron Gerhard) last 1/1

Larimer County
++++Horsetooth Reservoir
Lesser Black-backed Gull (5) (Wade/Ken Duncan) (first 12/19) 1; last 1/3
++++Carter Lake
Iceland Gull (Michael Costello/Joshua Smith) (first 1/2) last 1/3
Glaucous Gull (Komar:Costello/J. Smith) (first 1/2) 2; last 1/3
Lesser Black-backed Gull (2) (Bill Kaempfer/J. Smith) (first 1/1) 3; last
++++Cow Creek, Rocky Mountain National Park
Northern Pygmy-Owl (2) (Komar:Rashid:Dixon) last 1/3
++++Lily Lake
White-winged Crossbill (Joshua Smith:Austin Hess) reported 1/3
++++Running Deer Natural Area
Harris's Hawk --viewed from Colorado Visitor's Center (David Wade/Walter
Wehtje) (first 12/10) last 1/2
(just south of recycling center)
++++3645 Wild Horse Court, Loveland
Pine Warbler (John Reichhardt/Bankert:Costello) (first 12/26) last 1/2
(northwest corner of Wild Horse Court and 37th Street, behind the
apartments (visible along 37th across a small park area)
++++Bobcat Ridge Natural Area
American Three-toed Woodpecker (Andy Bankert) reported 1/1
American Woodcock (Nick Komar report) first 12/31
++++Green Ridge Glade Reservoir
Red-necked Grebe (John Shenot:Michael Costello) first 1/1

Pueblo County
++++Lake Beckwith
White-winged Scoter (Dave Silverman/Elizabeth) (first 11/21) last 1/2
Eastern Bluebird (Gwen Moore) first 1/1
Harris's Sparrow (Gwen Moore) first 1/1
++++Pueblo Reservoir
Red-necked Phalarope (Paul Hurtado) last 1/3
Bonaparte's Gull (4) (Paul Hurtado) last 1/3
Lesser Black-backed Gull (Hurtado) 12; last 1/3
Great Black-backed Gull (adult) (Percival/Hurtado) (first 11/7) last 1/3
Mew Gull (Hurtado) last 1/3
Iceland Gull --south marina (Doug Kibbe/Hurtado) (first 12/16) last 1/3
Common Loon (Hurtado) last 1/3
Pacific Loon (David Tonnessen/Hurtado) (first 12/29) last 1/3
Prairie Warbler --below dam/Juniper Road (Leon Bright/Hurtado) (first
12/5) last 1/3
++++Mineral Palace Park area
Greater Scaup (2) (Van Truan) first 1/3
++++Pueblo City Park
Carolina Wren (Percival/Washburn:Thompson) (first 11/15) last 1/2

Weld County
++++Banner Lakes Wildlife Area
Long-eared Owl (Richard Stevens) last 1/2
++++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

Otero County
++++Vogel Canyon
Common Redpoll (Kathy Mihm-Dunning) (first 11/25) 3; last 1/2


Yuma County
++++Bonny Reservoir Area
Greater Prairie-Chicken --northeast of office (Stevens:Michaels) first 1/3
Eastern Screech-Owl --Republican River (Stevens:Michaels) 5; last 1/3
Eastern Screech-Owl (2) --Hale Ponds (Stevens:Michaels) last 1/3
Common Redpoll --Hale (Stevens:Michaels) first 1/3
Red-bellied Woodpecker (2) --Hale Ponds (Stevens:Michaels) last 1/3
Red-bellied Woodpecker --south road (Stevens:Michaels) last 1/3
Red-bellied Woodpecker --Fosters Grove (Stevens:Michaels) last 1/3
Eastern Bluebird (2) --below dam (Stevens:Michaels) 5; last 1/3
Eastern Bluebird (6) (Stevens:Michaels) last 1/3
Northern Cardinal --Fosters Grove (Stevens:Michaels) last 1/3
Harris's Sparrow --CR 4 (Kilpatrick/Stevens:Michaels) (first 12/21) last


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

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

Garfield County
++++Downstream Catherine Store Bridge, Carbondale
Barrow's Goldeneye (12) (Filby:Robertson/Filby) (first 1/1) 11; last 1/2
++++New Castle
Pinyon Jay (35) (John Drummond) (first 12/28) 36; last 12/31

Jackson County
++++Hwy 14 & Main Street, Walden
Bohemian Waxwing (Rachel Hopper) first 1/2
++++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
++++Bobo Wildlife Area
White-winged Scoter (1) (Ryan Votta:Jason St. Pierre) first 1/3
++++Zink's Pond
Barrow's Goldeneye (Sue Riffe/Jim Beatty) (first 12/17) last 1/3
++++Animas River Trail
Swamp Sparrow --behind Home Depot (Susan Allerton/Martin Cuntz) (first
1/1) last 1/2
Barrow's Goldeneye (3) --behind Escalante School (Allerton) last 1/1

Mesa County
++++Grand Junction Wildlife Area
White-throated Sparrow --southeast corner (Mike Henwood) last 1/2
Hermit Thrush (Henwood) first 1/2
++++KE Road near Molina
Pinyon Jay (30) (Mike Henwood) first 1/1
++++Powderhorn Ski Area
Northern Pygmy-Owl (Vollmar) last 1/1

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

Montezuma County
++++Totten Reservoir
Pinyon Jay (40) (Eric Hynes) first 12/30

Montrose County
American Three-toed Woodpecker --Fifth Avenue (Coen Dexter) first 1/3
Pinyon Jay (53) --East 5th Avenue (Dexter:Wright) (first 9/15) 27; last

Routt County
++++Dry Lake Campground
American Three-toed Woodpecker (Tresa Moulton) first 1/3

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

Summit County
Barrow's Goldeneye (8) --see map (Jodi Chambers) first 1/2
++++Blue River Water Treatment Plant
Barrow's Goldeneye (Stevens & all/Michaels & all) (first 11/19) 12; last

Teller County
++++Pancake Rocks Trail
American Three-toed Woodpecker (6) (Kevin Ash) first 1/3
Rosy Finches (Cici Lee/Kevin Ash) (first 12/5) 10 Brown-capped, 30 Black,
10 Gray-crowned) last 1/3

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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