Date: 1/6/18 5:17 am
From: Amy Davenport <cobussec...> [cobirders] <cobirders-noreply...>
Subject: [cobirders] Colorado Rare Bird Alert for January 6, 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: 1/5/2018
Arapahoe (Pine Warbler, Hermit Thrush, Lesser Black-backed Gull)
Arapahoe/Jefferson (Yellow-billed Loon, Lesser Black-backed Gull)
Denver (Iceland Gull)
El Paso (Red-breasted Sapsucker, Varied Thrush, Greater Roadrunner,
Chihuahuan Raven, Ladder-backed Woodpecker, Curve-billed Thrasher)
Fremont (Eurasian Wigeon, Greater White-fronted Goose, Western Screech-Owl)
Jefferson (Red-necked Grebe, Long-tailed Duck)
La Plata (White-winged Scoter)
Larimer (Fox Sparrow, Lesser Black-backed Gull, Eastern Screech-Owl)
Logan (Red-bellied Woodpecker, Eastern Screech-Owl, Long-eared Owl, Eastern
Bluebird, Northern Cardinal, Field Sparrow, Harris's Sparrow,
White-throated Sparrow, Common Redpoll)
Mesa (Western Screech-Owl, White-throated Sparrow)
Montrose (Pinyon Jay)
Pueblo (Red-necked Grebe, Greater Scaup, Mew Gull, Iceland Gull, Lesser
Black-backed Gull, Great Black-backed Gull, Prairie Warbler, Pacific Loon,
Common Loon, Barrow's Goldeneye, Carolina Wren)
San Miguel (Rosy Finches)
Summit (Barrow's Goldeneye)
Teller (American Three-toed Woodpecker)


Adams County
++++Lowell Ponds Wildlife Area
American Dipper --downstream Lowell Blvd (Bob Canter) last 1/4
++++South Platte Birding Area
Barrow's Goldeneye (up to 6) --south/88th avenue (Dale Pate/Joe Roller)
(first 11/20) 2; last 1/4
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
Rusty Blackbird --78th avenue (Gabriel Waltse) reported 1/3

Arapahoe County
++++Smoky Hill Village Greenbelt
Pine Warbler --19846 East Garden Drive (Doug Schoch) (first 12/24) last
++++Dahlia Hollow Park
Hermit Thrush --near Highline Canal (Jared Del Rosso/Chris Gilbert)
(first 1/1) last 1/5
++++Aurora Reservoir
White-winged Scoter (male, female) (Richard Stevens/David Dowell) (first
12/13) 2; last 1/4
Long-tailed Duck (2 female, 1 male) (Richard Stevens/David Dowell) (first
12/13) 4; last 1/4
Lesser Black-backed Gull (up to 20) (Dave King/Dowell) (first 11/5) last
Iceland Gull (up to 7) (Diane Roberts/Dowell) (first 12/10) 4; last 1/4
++++South Platte Park Reservoir & Area
Greater Scaup (5) --Reservoir (Jefferson Cty) (Elaine Wagner) first 1/4
Common Loon (Cynthia Madsen) first 1/4

Arapahoe/Jefferson Counties
++++South Platte Park Reservoir & Area
Yellow-billed Loon (seen in both Jefferson/Arapahoe Ctys (Joey
Kellner:Myron Gerhard) first 1/5
Lesser Black-backed Gull (Myron Gerhard) first 1/5
Greater Scaup (5) --Reservoir (Jefferson Cty) (Elaine Wagner) first 1/4
Common Loon (Cynthia Madsen) first 1/4

Boulder County
++++White Rocks Trail
Swamp Sparrow (Nunes/Earl Johnson) (first 12/17) again 1/4
++++Waneka Lake
Trumpeter Swan (Randall Siebert) first 1/4
++++Golden Ponds
Swamp Sparrow (3) (Luke Pheneger/Jamie Simo) (first 12/16) 2; last 1/4
White-throated Sparrow (Jamie Simo) first 1/4
++++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
++++Boulder Reservoir complex
Tundra Swan (Richard Trinkner) first 1/3

Denver County
++++Rocky Mountain Lake Park
Iceland Gull (Gabriel Wiltse) first 1/5

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/Alison Field)
(first 12/21) last 1/5
(Latest: big pine across fairway, opposite House #13)
++++Cheyenne Mountain Road
Varied Thrush --across street Starsmore Discovery Center (Deb
Carstensen/Alison Field) (first 12/31) last 1/5
(along Cheyenne creek just upstream from pullover #3, near large
Ponderosa Pine)
++++South Meridian Road
Greater Roadrunner --south of Hanover Road (Kevin Ash/Alison Field)
(first 1/4) last 1/5
++++Hanover Road and area
Chihuahuan Raven (2) (Bunn:Britton) first 1/5
Ladder-backed Woodpecker (Bunn:Britton) last 1/5
Curve-billed Thrasher (Bunn:Britton) last 1/5
++++Red Rock Canyon Open Space
Harris's Sparrow (Jim Merritt) (first 12/10) last 1/4

Jefferson County
++++Coors Pond
Red-necked Grebe (Wood:Barry/Pablo Quezada) (first 12/29) last 1/5
Long-tailed Duck (Tom & Debbie Behnfield/Pablo Quezada) (first 1/3) 2;
last 1/5
Lesser Black-backed Gull (Matt Clark:Susan Bonfiglio) first 1/4
++++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)

Larimer County
++++CSU Environmental Learning Center to Cattail Chorus
Fox Sparrow (red) --intersection of Alden and Wilcox Trail (Carl
Bendorf:Andy Bankert) first 1/5
++++Larimer County Landfill
Lesser Black-backed Gull (Joshua Smith) 5; last 1/5
++++Spring Canyon Community Park
Eastern Screech-Owl (Kevin Keirn) last 1/5
++++Strauss Cabin area/Rigden Reservoir
Trumpeter Swan (April Eisele:Nick Komar) first 1/4
Tundra Swan (April Eisele:Nick Komar) first 1/4
++++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)

Pueblo County
++++Pueblo Reservoir
Red-necked Grebe (2) (Kilpatrick) last 1/5
Greater Scaup (7) (Loch Kilpatrick) first 1/5
Mew Gull --off Juniper Road (Kilpatrick) last 1/5
Iceland Gull (Doug Kibbe/Kilpatrick) (first 12/16) 2; last 1/5
Lesser Black-backed Gull (Kilpatrick)) 6; last 1/5
Great Black-backed Gull (adult) (Percival/Kilpatrick) (first 11/7) last
Prairie Warbler --below dam/Juniper Road (Leon Bright/Kilpatrick) (first
12/5) last 1/5
Pacific Loon (David Tonnessen/Gloria Nikolai) (first 12/29) last 1/5
Common Loon (5) (Loch Kilpatrick) reservoir to Wildlife Area last 1/5
++++Mineral Palace Park area
Greater Scaup (2) (Van Truan) (first 1/3) last 1/4
++++Lake Beckwith
White-winged Scoter (Dave Silverman/Elizabeth) (first 11/21) last 1/2
++++Below Pueblo City Park (Arkansas River Trail)
Barrow's Goldeneye (3) --7 reservoir drive (Loch Kilpatrick) last 1/5
Carolina Wren (Percival/Kilpatrick) (first 11/15) last 1/5

Weld County
++++Pawnee National Grasslands, Pawnee Buttes Area
Common Redpoll (40) Bill Schmoker) first 1/3
++++Banner Lakes Wildlife Area
Long-eared Owl (Richard Stevens) last 1/2


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


Logan County
++++Tamarack Ranch Wildlife Area
Red-bellied Woodpecker (2) (Bill Kaempfer) last 1/5
Eastern Screech-Owl (1) (Rebecca Laroche) 2; last 1/5
Long-eared Owl (Stevens:Michaels) last 1/5
Eastern Bluebird (7) (Stevens:Michaels) last 1/5
Northern Cardinal (2) (Stevens:Michaels) last 1/5
Field Sparrow (2) (Stevens:Michaels) last 1/5
Harris's Sparrow (CoBus group/Stevens:Michaels) (first 12/14) last 1/5
White-throated Sparrow (1) (CoBus group/Stevens:Michaels) (first 12/14)
last 1/5
Common Redpoll (4) (CoBus group/Stevens:Michaels) (first 12/14) last 2;
last 1/5

Yuma County
++++Sandsage Wildlife Area
Common Redpoll (2) (Stevens:Michaels) first 1/4
White-throated Sparrow (CoBus group/Stevens:Michaels) (first 12/20) 2;
last 1/4
++++Wray Fishing Unit
White-throated Sparrow (CoBus group/Stevens:Michaels) (first 12/20) 2;
last 1/4
++++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


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

Fremont County
++++Valco Ponds, Canon City
Eurasian Wigeon (Rich Miller/Jerry DeBoer:Loch Kilpatrick) (first 12/23)
last 1/5
Greater White-fronted Goose (4) (Adams/Jerry DeBoer) (first 11/12) 1;
last 1/5
++++Arkansas Riverwalk
Western Screech-Owl --Raynolds parking lot (Loch Kilpatrick) last 1/5
++++Lakeside Cemetery
Williamson's Sapsucker (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

Garfield County
++++Two Rivers Park & Devereux Road
Barrow's Goldeneye (JoAnn Riggle) 4; last 1/4
++++Downstream Catherine Store Bridge, Carbondale
Barrow's Goldeneye (12) (Filby:Robertson/Filby) (first 1/1) 11; last 1/2

Jackson County
++++Hwy 14 & Main Street, Walden
Bohemian Waxwing (Rachel Hopper) first 1/2

La Plata County
++++Lake Nighthorse
White-winged Scoter (Jack Maher) first 1/5
++++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
Western Screech-Owl (Carol Ortenzio) last 1/5
White-throated Sparrow --southeast corner (Ortenzio) last 1/5

Montrose County
American Three-toed Woodpecker (Coen Dexter) first 1/3
Pinyon Jay (53) --East 5th Avenue (Dexter:Wright) (first 9/15) 38; 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

San Miguel County
++++Telluride Ski Area
Rosy Finches --County Club Drive (40 Brown-capped; 2 Gray-crowned Rosy)
(Eric Hynes) first 1/4

Summit County
++++Blue River Water Treatment Plant
Barrow's Goldeneye (Stevens & all/Bea Weaver) (first 11/19) 7; last 1/5
++++Dillon Reservoir
Barrow's Goldeneye --Soda Inlet (Tom Wilberding/Bea Weaver) (first 11/19)
4; last 1/5

Teller County
++++Pancake Rocks Trail
American Three-toed Woodpecker (6) (Kevin Ash/Maynard) (first 1/3) 9;
last 1/5
(trail right after the Pancake Rocks trail diverges from Horsethief Falls
trail - maybe the first 2/3 mile of that section; update: up to 1.7 miles)
Rosy Finches --CR 861 (Cici Lee/Jacob Washburn:Jamie Thompson) (first
12/5) 12 Brown-capped, 25 Black, 12 Gray-crowned) last 1/4

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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