Date: 1/10/18 3:47 am
From: Amy Davenport <cobussec...> [cobirders] <cobirders-noreply...>
Subject: [cobirders] Colorado Rare Bird Alert for January 10, 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: 1/9/2018
Adams (Barrow's Goldeneye)
Arapahoe (Winter Wren, Greater Scaup, Long-tailed Duck, icdu, Lesser
Black-backed Gull)
Arapahoe/Jefferson (Yellow-billed Loon, White-winged Scoter)
Boulder (Swamp Sparrow)
Denver (Greater White-fronted Goose)
Douglas (Brant)
El Paso (Red-breasted Sapsucker, Varied Thrush, Greater Roadrunner,
Ladder-backed Woodpecker, Curve-billed Thrasher)
Jefferson (Snowy Owl)
Pueblo (Snowy Owl, Prairie Warbler, Lesser Black-backed Gull, Great
Black-backed Gull, Glaucous Gull)


Adams County
++++South Platte Birding Area
Barrow's Goldeneye (up to 6) --south/88th avenue (Dale Pate/Terry
Michaels) (first 11/20) 2; last 1/9
Greater Scaup --78th avenue (Eric DeFonso) last 1/8
Black Phoebe --around 64th & York (Bob Canter/Stevens:Kosten) (first
12/29) last 1/7
(north of parking lot to Sand Creek)

Arapahoe County
++++Goldsmith Gulch Trail
Winter Wren --see map (Connie Kogler/Loch Kilpatrick) (first 1/8) last 1/9
++++Aurora Reservoir
Greater Scaup (2) (Richard Stevens/Brian Johnson) (first 12/13) 1; last
Long-tailed Duck (2 female, 1 male) (Richard Stevens/Brian Johnson)
(first 12/13) 2; last 1/9
Iceland Gull (up to 7) (Diane Roberts/B. Johnson) (first 12/10) last 1/9
Lesser Black-backed Gull (up to 20) (Dave King/B. Johnson) (first 11/5)
last 1/9
White-winged Scoter (male, female) (Richard Stevens/David Dowell) (first
12/13) 2; last 1/4
++++Dahlia Hollow Park
Pine Warbler --east of footbridge (Bez Bezuidenhout/Terry Michaels)
(first 12/31) last 1/7
Hermit Thrush --near Highline Canal (Jared Del Rosso/Goodrich:Troth)
(first 1/1) last 1/7
++++Smoky Hill Village Greenbelt
Pine Warbler --19846 East Garden Drive (Doug Schoch) (first 12/24) last
++++Cherry Creek Valley Ecological Park
Swamp Sparrow (David Hill) first 1/7

Arapahoe/Jefferson Counties
++++South Platte Park Reservoir & Area
Yellow-billed Loon (seen in both Jefferson/Arapahoe Ctys (Joey
Kellner:Myron Gerhard/Washburn) (first 1/5) last 1/9
White-winged Scoter (James McCall:DuWayne Worthington/Washburn) (first
1/8) last 1/9
Greater Scaup (2) --South Platte Park Reservoir (David Suddjian) 8; last
Greater Scaup (2) --Platte River (Christopher Warneke/Thomas Halverstadt)
(first 11/24) 15; last 1/7
Swamp Sparrow --cattails/pond/south/Mineral (Richard Stevens) first 1/6
Barrow's Goldeneye (2) --Platte River (Ben Sampson) (first 12/16) 1
female; last 1/6

Boulder County
++++Golden Ponds
Swamp Sparrow (3) (Luke Pheneger/David Dowell) (first 12/16) 1; last 1/9
++++Wild Basin Section of Rocky Mountain National Park
American Three-toed Woodpecker (1) --Wild Basin trail (Bez Bezuidenhout)
last 1/6

Denver County
++++Denver City Park
Greater White-fronted Goose (Jacob Washburn:Jamie Thompson) 2; last 1/9
Barrow's Goldeneye (Edward Done) first 1/7
++++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

Douglas County
++++Salisbury Equestrian Park
Brant (Cheryl Phillips/David Suddjian) (first 11/11) last 1/9
(Latest: 1/9: Bar CCiC Park & Twenty mile Pond)

El Paso County
++++Broadmoor area
Red-breasted Sapsucker --see directions (David Tonnessen/Stevens:Shane)
(first 12/21) last 1/9
(Latest: big pine across fairway, opposite House #13)
++++Cheyenne Mountain Road
Varied Thrush --across street Starsmore Discovery Center (Deb
Carstensen/Stevens:Shane) (first 12/31) last 1/9
(along Cheyenne creek near Center parking lot)
++++South Meridian Road/Hanover Road
Greater Roadrunner --south of Hanover Road (Kevin Ash/Stevens:Shane)
(first 1/4) last 1/9
Greater Roadrunner --Hanover Road (Alan Ketcham) first 1/8
++++Hanover Road and area
Ladder-backed Woodpecker (Stevens:Shane) last 1/9
Curve-billed Thrasher (Stevens:Shane) last 1/9
++++Memorial Park
Iceland Gull (1st cycle) (David Tonnessen) first 1/8
++++Hanover Road and area
Ladder-backed Woodpecker (Heidi Eaton) last 1/8

Jefferson County
++++Standley Lake area
Snowy Owl --88th & Queen (Bars Moore/Terry Michaels) (first 12/23) last
(1/9; south of Wayne Carle Middle School, northeast of Standley Lake)
Common Loon (Matt Hofeditz/David Dowell) (first 12/29) last 1/8
++++Coors Pond
Long-tailed Duck (Tom & Debbie Behnfield/Tim Ryan) (first 1/3) 2; last 1/8
Red-necked Grebe (Wood:Barry/Sue Riffe) (first 12/29) last 1/8
++++Reynolds Park
American Three-toed Woodpecker (Stevens & Shane) last 1/8
(north of interserction of Oxen Draw, Raven's Roost & Eagle's View trails)
Dusky Grouse (Stevens & Shane) last 1/8
(Above unless stated: Eagle's View Trail, south of old service road)
Northern Pygmy-Owl --Songbird trail (Stevens & Shane) last 1/8
++++Ralston Creek Trail
Harris's Sparrow --Indiana Street to Ward Road (Rebecca Laroche/Myron
Gerhard) (first 12/7) again 1/8
++++Clement Park
Greater White-fronted Goose (Mackenzie Goldthwait:Doug Kibbe) last 1/8
++++Van Bibber Trail
Eastern Screech-Owl (Frank Farrell) last 1/7

Larimer County
++++CSU Environmental Learning Center to Cattail Chorus
Fox Sparrow (red) --intersection of Alden and Wilcox Trail
(Bendorf:Bankert/Austin Hess) (first 1/5) last 1/8
Eastern Screech-Owl (Lori Zabel) last 1/8
++++3645 Wild Horse Court, Loveland
Pine Warbler (John Reichhardt/John Reichhardt) (first 12/26) last 1/8
++++Lions Open Space
Winter Wren (Austin Hess:Gwen Moore/David Leatherman) (first 12/16) last
++++Horsetooth Reservoir
Lesser Black-backed Gull (5) (Wade/Ken Duncan) (first 12/19) 1; last 1/8
Glaucous Gull (Nick Komar/Tiffany Warble) (first 12/17) last 1/6
++++Rawhide Reservoir
Trumpeter Swan (3 adult) (Wehtje:Komar/Komar) (first 12/9) 1; last 1/8
++++Carter Lake
Red-necked Grebe (John Shenot/Sue Riffe) (first 1/1) last 1/8
Barrow's Goldeneye (Sue Riffe) first 1/8
Iceland Gull (2) (Wehtje) last 1/8
Lesser Black-backed Gull (15) (Bankert) last 1/8
Glaucous Gull (Komar:Costello/Wehtje:Bankert) (first 1/2) last 1/8
++++Buckingham Lake
White-throated Sparrow (Andy Bankert) first 1/8
++++Riverbend Ponds Natural Area & Poudre River Trail
Swamp Sparrow (Nick Komar) (first 12/19) last 1/7
++++Running Deer Natural Area
Harris's Hawk --viewed from Colorado Visitor's Center (David
Wade/Michelle Puplava) (first 12/10) reported 1/6

Pueblo County
++++Pueblo Reservoir
Snowy Owl --south marina (Leon Bright/M.OB.) (first 1/8) last 1/9
Prairie Warbler --below dam/NE corner of the parking lot (Leon
Bright/Kevin Ash) (first 12/5) last 1/9
Lesser Black-backed Gull (Jim Merritt) last 1/9
Great Black-backed Gull (adult) (Percival/Jim Merritt) (first 11/7) last
Glaucous Gull (Hurtado/Jim Merritt) (first 1/3) last 1/9
Pacific Loon (David Tonnessen/Kilpatrick) (first 12/29) last 1/8
Common Loon (5) (Kilpatrick) reservoir to Wildlife Area 3; last 1/8
Iceland Gull (Doug Kibbe/Heidi Eaton) (first 12/16) last 1/8
Red-necked Grebe --Wildlife Area (Dave King & all) last 1/7
Bonaparte's Gull --Wildlife Area (Dave King) last 1/7
Curve-billed Thrasher --south marina (Dave King) last 1/7
++++Below Pueblo City Park (Arkansas River Trail)
Barrow's Goldeneye (3) --7 reservoir drive (Jim Merritt) last 1/8
Carolina Wren (Percival/Dave King & all) (first 11/15) last 1/7
++++Mountain View Cemetery
White-winged Crossbill --spruce trees/western section (David
Tonnessen/Leon Bright) (first 1/6) last 1/7

Weld County
++++Windsor Lake
Greater White-fronted Goose (Jeffrey Bisko) last 1/8
++++Luna Reservoir
White-winged Scoter (Gene Rutherford:Steve Mlodinow) first 1/7
++++Crow Valley Campground
Common Redpoll (1) campgrounds to work center (Stevens:Kosten/Mike
Serruto) (first 12/28) last 1/6
++++County Road 116 & CR 133
Curve-billed Thrasher (Gene Rutherford:Mike Stanley) first 1/6


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


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


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
++++MacKenzie Avenue & Grandvew Avenue, Canon City
Curve-billed Thrasher (Norm Lewis) (first 12/27) again 1/8
++++Valco Ponds, Canon City
Greater White-fronted Goose (4) (Adams/Norm Lewis) (first 11/12) 1; last
Eurasian Wigeon (Rich Miller/Drummond:Mitchell:Ash) (first 12/23) last 1/6
Yellow-bellied Sapsucker --885 East 5th Street (Walbek:Kilpatrick) first
++++Lakeside Cemetery
Williamson's Sapsucker (Walbek:Kilpatrick) last 1/7
++++Arkansas Riverwalk
Western Screech-Owl --Raynolds parking lot (Richard Bunn) last 1/7
++++Tunnel Drive area
Rufous-crowned Sparrow (Dan Stringer) last 1/6

Garfield County
++++Downstream Catherine Store Bridge, Carbondale
Barrow's Goldeneye (12) (Filby:Robertson/Filby) (first 1/1) 15; last 1/8
++++Two Rivers Park & Devereux Road
Barrow's Goldeneye (3) (JoAnn Riggle) last 1/8
++++Coryell Ranch Ponds
Barrow's Goldeneye (55) --private, view from Satank Road (Dick Filby)
first 1/7

Lake County
Gray-crowned Rosy Finch (60) (Allan Welby) first 1/7

Mesa County
++++Grand Junction Wildlife Area
White-throated Sparrow --southeast corner (Trappett) last 1/7
Western Screech-Owl (Carol Ortenzio) last 1/6

Montrose County
Pinyon Jay (53) --East 5th Avenue (Dexter:Wright) (first 9/15) 25; last

Pitkin County
++++Snowmass Ski Area
Rosy Finches --top of Village Express lift (30, mostly Brown-capped)
Denise, last 1/8
(requires lift ticket; Wednesday 1/10, Dick will conduct free bird tour,
meet by feeder)

Summit County
Barrow's Goldeneye (8) --see map (Jodi Chambers) (first 1/2) 5; last 1/8
++++Blue River Water Treatment Plant
Barrow's Goldeneye (Stevens & all/Jodi Chambers) (first 11/19) 12; last

Teller County
Rosy Finches (50+, 3 species) --see map (Cici Lee/Stevens:Shane) (first
12/5) last 1/8
++++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
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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