Date: 12/22/17 5:05 am
From: Amy Davenport <cobussec...> [cobirders] <cobirders-noreply...>
Subject: [cobirders] Colorado Rare Bird Alert for December 22, 2017
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:
http://groups.yahoo.com/group/cobirders/messages

Report Uncommon Birds at: 303-324-7994 or http://coloradobirdingsociety.net

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: 12/21/2017
Baca (Snowy Owl)
Chaffee (Barrow's Goldeneye)
El Paso (Snow Bunting, Yellow-bellied Sapsucker)
Jefferson (Yellow-throated Warbler, Greater White-fronted Goose)
Jefferson/Douglas (Great Black-backed Gull)
Larimer (Rosy Finches)
Logan (Snowy Owl)
Mesa (Long-tailed Duck, Pinyon Jay)
Otero (White-winged Scoter)
Summit (Barrow's Goldeneye)
Weld (Greater White-fronted Goose, Long-tailed Duck, Lesser Black-backed
Gull)
Yuma (Red-bellied Woodpecker, Eastern Bluebird, Harris's Sparrow, Northern
Cardinal)

FRONT RANGE AND NORTHEASTERN COLORADO

Adams County
++++Rocky Mountain Arsenal
Trumpeter Swan --Lower Derby Lake (Synder/Marion & John Warren) (first
12/9) last 12/20
Swamp Sparrow --south side Marys Lake (Warren) last 12/20
++++Lowell Ponds Wildlife Area
Greater White-fronted Goose (Gabriel Wiltse) first 12/20
++++South Platte Birding Area
Barrow's Goldeneye --south/88th avenue (Dale Pate/Eric DeFonso) (first
11/20) last 12/17

Arapahoe County
++++Cherry Creek Reservoir
Common Loon (Diane Roberts/Dale Pate) (first 12/7) last 12/20
Pacific Loon (Bob Righter/Dave King) (first 12/13) last 12/17
++++Aurora Reservoir
Greater White-fronted Goose (Meg Reck) last 12/20
Long-tailed Duck (2 female, 1 male) (Richard Stevens/Dave King) (first
12/13) 2; last 12/18
White-winged Scoter (male, female) (Richard Stevens/Dave King) (first
12/13) 2; last 12/18
Lesser Black-backed Gull (Washburn:Thompson) last 12/17
Greater Scaup (2) (Richard Stevens/Washburn:Thompson) (first 12/13) 1;
last 12/17
++++Chapel Hill Memorial Gardens
Harris's Sparrow --hedgerow/western edge (Jared Del Rosso) (first 12/3)
last 12/19

Boulder County
++++Valmont Reservoir Complex
Red-necked Grebe (2) (Michael Lamson/Peter Gent) (first 12/16) 3; last
12/20
Pacific Loon (Bill Kaempfer/Peter Gent) (first 12/10) last 12/20
Common Loon (Kaempfer/Phoenix Kwan) (first 12/10) last 12/20
Greater Scaup (John Vanderpoel:Bill Kaempfer/Randall Siebert) (first
12/17) last 12/18
++++Twin Lakes Open Space
Hammond's Flycatcher (Jeff Parks/Jeff Parks) (first 11/19) last 12/20
++++Golden Ponds
Swamp Sparrow (3) (Luke Pheneger) (first 12/16) 2; last 12/20

Broomfield County
++++Baseline Road & Huron Street, Broomfield
Burrowing Owl --southwest corner (Ivan Mota) (first 12/15) last 12/18

Denver County
++++First Creek Trail
Harris's Sparrow (John Breitsch/Doug Kibbe) (first 11/29) Denver Cty;
last 12/20
(Latest: second bird: under chainlink fence at Denver County trailhead)
++++Marston Reservoir
Pacific Loon (Alex Hopping/Eric DeFonso) (first 12/16) last 12/19
Common Loon (Alex Hopping/DeFonso) (first 12/16) last 12/19

El Paso County
++++Cresterra Road, Fountain
Snow Bunting --flew toward Big Johnson Reservoir (Cici Lee) first 12/21
++++1900-2000 Sundown Drive, Colorado Springs
Yellow-bellied Sapsucker (David Tonnessen) first 12/21
++++Red Rock Canyon Open Space
Harris's Sparrow (Jim Merritt) (first 12/10) last 12/18

Jefferson County
++++Belmar Place apartment (#640 & 620)
Yellow-throated Warbler (Bill Eley/Nick Moore) (first 12/16) last 12/21
Prairie Warbler (Frank Farrell/Kevin DeBoer) (first 12/16) last 12/20
++++Clement Park
Greater White-fronted Goose (Christopher Warneke) last 12/21
++++Wheat Ridge Greenbelt
Swamp Sparrow (Tom Wilberding) first 12/19

Jefferson/Douglas Counties
++++Chatfield Reservoir
Great Black-backed Gull (Tom Wilberding) reported 12/20

Larimer County
++++Carriage Hills Area
Brown-capped Rosy Finch (69) --(Best during a snowstorm) (Scott
Rashid/M.OB.) (first 11/7) 1; last 12/21
Gray-crowned Rosy Finch (9) --(Best during a snowstorm) (Scott
Rashid/M.OB.) (first 11/7) 1; last 12/21
++++Running Deer Natural Area
Harris's Hawk --north & south of Colorado Visitor's Center (David
Wade/Scott Somershoe) (first 12/10) last 12/20
++++Cache La Poudre Drive
Palm Warbler --2270 (Georgia Doyle/Austin Hess) (first 12/16) last 12/20
++++Lions Open Space
Stub-tailed Wren (probable: Winter Wren) (Austin Hess:Gwen Moore/Georgia
Doyle) (first 12/16) last 12/20
++++Lake Loveland
Lesser Black-backed Gull (Michael Britten) 4; last 12/20
++++College Lake
Lesser Black-backed Gull (Nick Komar) (first 12/18) last 12/20
++++Riverbend Ponds Natural Area & Poudre River Trail
Swamp Sparrow (Nick Komar) first 12/19
++++Larimer County Landfill
Iceland Gull (Nick Komar) 2; last 12/19
Lesser Black-backed Gull (Komar) 15; last 12/19
Glaucous Gull (Komar:Wehtje) first 12/19
++++Horsetooth Reservoir
Iceland Gull (4) (Nick Komar/David Wade) (first 12/17) last 12/19
Lesser Black-backed Gull (5) (Wade) first 12/19
Glaucous Gull (Komar/Wade) (first 12/17) last 12/19
(All above seen from CR 38E, southeast corner of Reservoir;
40.523881,-105.14564)

Pueblo County
++++Roselawn Cemetery
Yellow-bellied Sapsucker (Gregg Goodrich/Anna Troth) (first 12/18) last
12/20
++++Runyon Lake
Mew Gull (adult) (Percival) first 12/20
++++40th Lane
Western Screech-Owl (Van Truan) first 12/20
++++Pueblo Reservoir
Prairie Warbler --below dam (Leon Bright/Percival) (first 12/5) last 12/19
Iceland Gull --south marina (Doug Kibbe/Laroche:Roberts) (first 12/16)
last 12/18
Lesser Black-backed Gull (Laroche:Roberts) last 12/18
Great Black-backed Gull (adult) (Percival/Laroche:Roberts) (first 11/7)
last 12/18
++++Pueblo City Park
Greater Scaup (1) --Goodnight trail (Joel & Dale Adams/Richard Bunn)
(first 12/10) last 12/19
Barrow's Goldeneye (2) --Goodnight Trail (Jane Stulp/Richard Bunn) (first
12/9) 3; last 12/19

Weld County
++++Windsor Lake
Greater White-fronted Goose (Nachel) first 12/20
Long-tailed Duck (Gary Lefko/Jim Nachel) (first 12/11) last 12/20
Lesser Black-backed Gull (5) (Mlodinow/Ryan Graves) (first 12/12) 2; last
12/20
++++Union Reservoir
Bonaparte's Gull (3) (Mlodinow:Pheneger/Mlodinow) (first 10/17) 27; last
12/19
++++Greeley Gravel Ponds at 35th Avenue
Great Egret (late) (Shawn Mason) first 12/19

SOUTHEASTERN COLORADO

Baca County
++++Southeast of Two Buttes Reservoir & area
Snowy Owl (Preston Larimer) first 12/21
++++Cottonwood Canyon (15th annual Christmas Count)
Mississippi Kite (very late, not without precedent: 12/31/1993) (CoBus
group) first 12/19
Western Screech-Owl (CoBus group) 4; last 12/19
Northern Saw-whet Owl (CoBus group) 3; last 12/19
Barn Owl (CoBus group) last 12/19
Short-eared Owl (2) (CoBus group) last 12/19
Long-eared Owl (CoBus group) last 12/19
Winter Wren (CoBus group) last 12/19
Juniper Titmouse (2) (CoBus group) first 12/19
Pine Warbler (CoBus group) first 12/19
Rufous-crowned Sparrow (CoBus group) 8; last 12/19
Common Redpoll (Mlodinow/CoBus group) (first 12/15) last 12/19
Northern Cardinal (CoBus group) last 12/19
(all above: Cottonwood Canyon)
Western Screech-Owl (CoBus group) 1; last 12/19
Northern Saw-whet Owl (CoBus group) 1; last 12/19
Winter Wren (CoBus group) last 12/19
Curve-billed Thrasher (CoBus group) last 12/19
(above: Carrizo picnic area)

Otero County
++++Lake Holbrook
White-winged Scoter (Sue Riffe:Gwen Moore/Richard Bunn) (first 12/15)
last 12/20
++++South of La Junta
Snowy Owl --CR 803/east/CR 25 (Kim Score/Leatherman:Thompson) (first
12/17) last 12/18
Snowy Owl --CR 15/south/CR N (Robin Bay) first 12/16
Lewis's Woodpecker --CR 25 &amp; CR Z (Robin Bay) first 12/17

NORTHEASTERN COLORADO

Logan County
++++I76 & Galien
Snowy Owl --CR 67, east of Galien (Stevens:Michaels) first 12/21
Snowy Owl --I76, mile 130 (Janice & Paul Sweet) first 12/20
++++Sterling Reservoir
Northern Mockingbird (Norm Lewis) first 12/20

Yuma County
++++Bonny Reservoir Area
Red-bellied Woodpecker --Hale Ponds (Loch Kilpatrick) last 12/21
Eastern Bluebird (5) --CR 4 (Kilpatrick) last 12/21
Harris's Sparrow --CR 4 (Kilpatrick) first 12/21
Northern Cardinal --CR LL.5 (Kilpatrick) first 12/21
++++Wray City Park
Yellow-bellied Sapsucker (CoBus group) first 12/20
++++Stalker Pond
Northern Cardinal (CoBus group) first 12/20
++++Wray Fishing Unit
Eastern Bluebird (CoBus group) last 12/20
Northern Mockingbird (CoBus group) last 12/20
Common Yellowthroat (CoBus group) first 12/20
Harris's Sparrow (CoBus group) first 12/20
White-throated Sparrow (CoBus group) first 12/20
++++Sandsage Wildlife Area
Eastern Screech-Owl (CoBus group) last 12/20
Brown Thrasher (CoBus group) last 12/20
Harris's Sparrow (CoBus group) first 12/20
White-throated Sparrow (CoBus group) first 12/20
++++Yuma County Road 45
Greater Prairie-Chicken (2) (CoBus group) last 12/20
--Between Hwy 385 and Lek, 1.7 miles/east/hwy 385
Short-eared Owl --CR 45/CR PP (CoBus group) last 12/20
++++Fourteenth Christmas Count
Additional birds: Northern Cardinals (7), red Fox Sparrow, Eastern
Screech-Owl, Long-eared Owl,
Northern Bobwhite (2), Pine Siskins, Red Crossbills, Barn Owl, Harris's
Sparrow

WESTERN COLORADO

Chaffee County
++++Sands Lake Wildlife Area
Barrow's Goldeneye (2) (Jack Harlan/Valerie Bourdeau) (first 11/17) 12/21

Delta County
++++Paonia Forest Office
Fox Sparrow (Slate-colored) (Dennis Garrison) first 12/19

Fremont County
++++Arkansas Riverwalk
Western Screech-Owl --Raynolds parking lot (Richard Bunn) last 12/19

La Plata County
++++Durango Fish Hatchery
Pacific Wren --as you pull into hatchery (Ryan Votta) first 12/20
++++Huck Finn Pond & Animas River Trail
Lewis's Woodpecker (Ryan Votta) last 12/20

Mesa County
++++Whitewater Gravel Ponds
Long-tailed Duck (Coen Dexter:Brenda Wright) (first 11/25) last 12/20
Pinyon Jay (15) (Dexter:Wright) first 12/20

Montrose County
++++Otter Pond
Greater White-fronted Goose (Betty Fenton) first 12/20
++++Nucla
Pinyon Jay
(53) --East 5th Avenue (Dexter:Wright) (first 9/15) 34; last 12/19
(26) --Second Park (Dexter:Wright) first 12/19

Ouray County
++++Ridgway State Park
Surf Scoter (Betty Fenton/Aaron Yappert) (first 12/6) last 12/19
(latest: dallas creek inlet, also check dutch charlie bay)
Common Loon (Aaron Yappert) last 12/19

Summit County
++++Blue River Water Treatment Plant
Barrow's Goldeneye (Stevens & all/Chris Brobin) (first 11/19) 15; last
12/21

Good Birding!

Directions to birding spots and maps on CoBus website:
http://coloradobirdingsociety.net

Amy Davenport, Secretary, Colorado Birding Society Denver, CO
Contact CoBus/Report Interesting Birds: 303-324-7994
Subscribe to "cobirders" by sending blank email to:
cobirders-subscribe AT yahoogroups.com
Read "cobirders" at:
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