Date: 1/7/18 3:31 am
From: Amy Davenport <cobussec...> [cobirders] <cobirders-noreply...>
Subject: [cobirders] Colorado Rare Bird Alert for January 7, 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: 1/6/2018
Adams (Barrow's Goldeneye)
Arapahoe (Pine Warbler, White-throated Sparrow, Hermit Thrush)
Arapahoe/Jefferson (Yellow-billed Loon, Barrow's Goldeneye, Greater Scaup,
Swamp Sparrow)
Bent (Lesser Black-backed Gull, Glaucous Gull)
Boulder (American Three-toed Woodpecker, Swamp Sparrow, Northern Pygmy-Owl)
Denver (Harris's Sparrow, Swamp Sparrow)
El Paso (Red-breasted Sapsucker, Varied Thrush, Greater Roadrunner,
Curve-billed Thrasher)
Fremont (Eurasian Wigeon, Rufous-crowned Sparrow, Williamson's Sapsucker,
Eastern Screech-Owl)
Jefferson (Snowy Owl, Long-tailed Duck)
Larimer (Harris's Hawk, Glaucous Gull, Rusty Blackbird, Eastern Screech-Owl)
Mesa (White-throated Sparrow, Western Screech-Owl, Northern Pygmy-Owl)
Montrose (Pinyon Jay)
Morgan (Winter Wren)
Pueblo (White-winged Crossbill, Red-necked Grebe, White-winged Scoter, Mew
Gull, Lesser Black-backed Gull, Great Black-backed Gull, Iceland Gull,
Glaucous Gull, Pacific Loon, Common Loon, Prairie Warbler, Barrow's
Goldeneye, Carolina Wren, Greater Scaup)
San Miguel (Rosy Finches)
Teller (Rosy Finches, American Three-toed Woodpecker)
Weld (Curve-billed Thrasher, Greater White-fronted Goose)


Adams County
++++South Platte Birding Area
Barrow's Goldeneye (up to 6) --south/88th avenue (Dale Pate/Julia
Auckland) (first 11/20) 6; last 1/6
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
++++Lowell Ponds Wildlife Area
American Dipper --downstream Lowell Blvd (Bob Canter) last 1/4

Arapahoe County
++++Dahlia Hollow Park
Pine Warbler (Bez Bezuidenhout) (first 12/31) last 1/6
White-throated Sparrow --Creek & Highline Canal (Jared Del Rosso/Bez
Bezuidenhout) (first 1/1) last 1/6
Hermit Thrush --near Highline Canal (Jared Del Rosso/Bezuidenhout) (first
1/1) last 1/6
++++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/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

Arapahoe/Jefferson Counties
++++South Platte Park Reservoir & Area
Yellow-billed Loon (seen in both Jefferson/Arapahoe Ctys (Joey
Kellner:Myron Gerhard/Ben Sampson) (first 1/5) last 1/6
Barrow's Goldeneye (2) --Platte River (Ben Sampson) (first 12/16) 1
female; last 1/6
Greater Scaup (2) --Platte River (Christopher Warneke/Sampson) (first
11/24) 20; last 1/6
Swamp Sparrow --cattails/pond/south/Mineral (Richard Stevens) first 1/6
Lesser Black-backed Gull (Myron Gerhard) first 1/5

Boulder County
++++Wild Basin Section of Rocky Mountain National Park
American Three-toed Woodpecker (1) --Wild Basin trail (Bez Bezuidenhout)
last 1/6
++++Golden Ponds
Swamp Sparrow (3) (Luke Pheneger/Richard Trinkner) (first 12/16) last 1/6
White-throated Sparrow (Jamie Simo) first 1/4
++++Hawthorn Gulch, Boulder
Northern Pygmy-Owl (Ted Floyd) first 1/6
++++White Rocks Trail
Swamp Sparrow (Nunes/Earl Johnson) (first 12/17) again 1/4
++++Waneka Lake
Trumpeter Swan (Randall Siebert) 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
++++Westerly Creek Park
Harris's Sparrow (Jason Bidgood) first 1/6
++++First Creek Trail
Swamp Sparrow (reported in both Denver & Adams Ctys) (John
Breitsch/Edward Done) (first 12/29) last 1/6
++++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/Warren & all)
(first 12/21) last 1/6
(Latest: big pine across fairway, opposite House #13)
++++Cheyenne Mountain Road
Varied Thrush --across street Starsmore Discovery Center (Deb
Carstensen/Warren & all) (first 12/31) last 1/6
(along Cheyenne creek just upstream from pullover #3, near large
Ponderosa Pine)
++++South Meridian Road
Greater Roadrunner --south of Hanover Road (Kevin Ash/Todd
Deininger:Gloria Nikolai) (first 1/4) last 1/6
++++Hanover Road and area
Curve-billed Thrasher (Hubbard:Merritt) last 1/6
Curve-billed Thrasher (Deininger:Nikolai) last 1/6
Chihuahuan Raven (2) (Bunn:Britton) first 1/5
Ladder-backed Woodpecker (Bunn:Britton) last 1/5
++++Red Rock Canyon Open Space
Harris's Sparrow (Jim Merritt) (first 12/10) last 1/4

Jefferson County
++++Standley Lake area
Snowy Owl --88th & Queen (Bars Moore/Martin Margulies) (first 12/23) last
latest: 1/6: 86th Parkway & Taft
++++Coors Pond
Long-tailed Duck (Tom & Debbie Behnfield/Joey Kellner) (first 1/3) 2;
last 1/6
Red-necked Grebe (Wood:Barry/Pablo Quezada) (first 12/29) last 1/5
Lesser Black-backed Gull (Matt Clark:Susan Bonfiglio) first 1/4

Larimer County
++++Running Deer Natural Area
Harris's Hawk --viewed from Colorado Visitor's Center (David
Wade/Michelle Puplava) (first 12/10) reported 1/6
++++Horsetooth Reservoir
Glaucous Gull (Nick Komar/Tiffany Warble) (first 12/17) last 1/6
++++Prospect Ponds Natural Area
Rusty Blackbird (Rebecca Laroche:Chris Glbert) first 1/6
++++Spring Canyon Community Park
Eastern Screech-Owl (Sean Walters) last 1/6
++++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
++++Strauss Cabin area/Rigden Reservoir
Trumpeter Swan (April Eisele:Nick Komar) first 1/4
Tundra Swan (April Eisele:Nick Komar) first 1/4

Pueblo County
++++Mountain View Cemetery
White-winged Crossbill --spruce trees/western section (David Tonnessen)
first 1/6
++++Pueblo Reservoir
Red-necked Grebe (Percival) last 1/6
White-winged Scoter (9) (Percival & all) first 1/6
Mew Gull --off Juniper Road (Percival) last 1/6
Lesser Black-backed Gull (Percival) last 1/6
Great Black-backed Gull (adult) (Percival) (first 11/7) last 1/6
Iceland Gull (Doug Kibbe/Joel & Dale Adams) (first 12/16) 2; last 1/6
Glaucous Gull (Hurtado/Hudak:Gwen Moore) (first 1/3) last 1/6
Pacific Loon (David Tonnessen/Percival) (first 12/29) last 1/6
Common Loon (5) (Hudak:Riffe:Haycraft) reservoir to Wildlife Area last 1/6
Prairie Warbler --below dam/Juniper Road (Leon Bright/Percival) (first
12/5) last 1/6
Greater Scaup (7) (Loch Kilpatrick) first 1/5
++++Below Pueblo City Park (Arkansas River Trail)
Barrow's Goldeneye (3) --7 reservoir drive (Joey Kellner) last 1/6
Carolina Wren (Percival/Joey Kellner) (first 11/15) last 1/6
++++Mineral Palace Park area
Greater Scaup (2) (Van Truan) (first 1/3) last 1/6

Weld County
++++Windsor Lake
Greater White-fronted Goose (Kathy Mihm-Dunning) last 1/6
++++County Road 116 & CR 133
Curve-billed Thrasher (Gene Rutherford:Mike Stanley) first 1/6
++++Pawnee National Grasslands, Pawnee Buttes Area
Common Redpoll (40) Bill Schmoker) first 1/3


Bent County
++++John Martin Reservoir area
Lesser Black-backed Gull (adult) (Duane Nelson) first 1/6
Glaucous Gull (1st cycle) (Duane Nelson) first 1/6

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

Morgan County
++++Fort Morgan Ponds
Winter Wren (Stevens:Michaels/Kathy Mihm-Dunning:David Dowell) (first
12/17) last 1/6

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


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/Drummond:Mitchell:Ash) (first 12/23) last 1/6
Greater White-fronted Goose (4) (Adams/Jerry DeBoer) (first 11/12) 1;
last 1/5
++++Tunnel Drive area
Rufous-crowned Sparrow (Dan Stringer) last 1/6
++++Holy Cross Abbey
Williamson's Sapsucker (Renee Casias) first 1/6
++++Brush Hollow Wildlife Area
Eastern Screech-Owl (Kath Mihm-Dunning:David Dowell) reported 1/6
++++Arkansas Riverwalk
Western Screech-Owl --Raynolds parking lot (Loch Kilpatrick) last 1/5

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

Mesa County
++++Grand Junction Wildlife Area
White-throated Sparrow --southeast corner (Ortenzio) last 1/6
Western Screech-Owl (Carol Ortenzio) last 1/6
++++Grand Mesa (Hwy 65)
Northern Pygmy-Owl --see map (Ortenzio) last 1/6

Montrose County
Pinyon Jay (53) --East 5th Avenue (Dexter:Wright) (first 9/15) 26; 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
Rosy Finches --see map (Cici Lee/Roger Massey) (first 12/5) 3
Brown-capped, 22 Black, 4 Gray-crowned) last 1/6
++++Horsethief Park Trail
American Three-toed Woodpecker (4) (Alan Ketcham:Jim Merritt) first 1/6
++++Mueller State Park
American Three-toed Woodpecker (Roger Massey) last 1/6
++++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)

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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