Date: 12/24/17 4:09 am
From: Amy Davenport <cobussec...> [cobirders] <cobirders-noreply...>
Subject: [cobirders] Colorado Rare Bird Alert for December 24, 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:

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: 12/23/2017
Adams (Franklin's Gull, Lesser Black-backed Gull, Swamp Sparrow, Tundra
Boulder (Black-throated Green Warbler, Greater White-fronted Goose)
Denver (Harris's Sparrow)
El Paso (Red-breaasted Sapsucker, Curve-billed Thrasher)
Fremont (Eurasian Wigeon)
Grand (Barrow's Goldeneye)
Huerfano (Rosy Finches)
Jefferson (Yellow-throated Warbler, Snowy Owl)
Larimer (Harris's Hawk, Lesser Black-backed Gull, Eastern Screech-Owl,
Northern Pygmy-Owl, Long-eared Owl)
Lincoln (Short-eared Owl)
Logan (Golden-crowned Sparrow, Red-bellied Woodpecker, Eastern Screech-Owl,
Long-eared Owl, Eastern Bluebird, Greater Prairie-Chicken)
Mesa (Rosy Finches)
Montrose (Pinyon Jay)
Pueblo (Prairie Warbler, Carolina Wren)
Sedgwick (Northern Pygmy-Owl, Red-bellied Woodpecker, Lapland Longspur,
Common Redpoll)
Weld (Greater White-fronted Goose)


Adams County
++++McKay Lake
Franklin's Gull (Matt Hofeditz) first 12/23
Lesser Black-backed Gull (Hofeditz) first 12/23
Swamp Sparrow (Hofeditz) last 12/23
++++Rocky Mountain Arsenal
Tundra Swan (Stevens/Dave King) (first 12/15) last 12/23
Trumpeter Swan --Lower Derby Lake (DeFonso/Bryan Johnson) (first 12/10)
last 12/13
Tundra Swan (Snyder/Diane Roberts) (first 11/12) last 11/20
(NOTE: all Lower Derby Lake, all sightings confirmed by photos)
Swamp Sparrow --south side Marys Lake (Warren) last 12/20

Arapahoe County
++++Aurora Reservoir
Long-tailed Duck (2 female, 1 male) (Richard Stevens/Stevens) (first
12/13) 2; last 12/22
White-winged Scoter (male, female) (Richard Stevens/Stevens) (first
12/13) 2; last 12/22
Greater White-fronted Goose (Meg Reck) last 12/20
++++South Platte Park Reservoir & Area
Greater Scaup (2) (Christopher Warneke/Michael Yuan) (first 11/24) 2;
last 12/22
++++Ketring Park and Lake
Eastern Screech-Owl (Alison Hixon) last 12/22
++++Cherry Creek Reservoir
Common Loon (Diane Roberts/Dale Pate) (first 12/7) last 12/20

Boulder County
Black-throated Green Warbler --777 29th Street & 770 28th Street (Nick
Moore:John Malenich) first 12/23
++++Stearns Lake
Greater White-fronted Goose (Randall Siebert/Chuck Hundertmark) (first
11/26) last 12/23
++++Valmont Reservoir Complex
Red-necked Grebe (2) (Michael Lamson/Jeff Parks) (first 12/16) 3; last
Pacific Loon (Bill Kaempfer/Jeff Parks) (first 12/10) last 12/22
Common Loon (Kaempfer/Jeff Parks) (first 12/10) last 12/22
White-throated Sparrow (4) (Parks) reported 12/22
++++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

Denver County
++++First Creek Trail
Harris's Sparrow (John Breitsch/Dave King) (first 11/29) Denver Cty; last
++++Marston Reservoir
Pacific Loon (Alex Hopping/Betty Glass) (first 12/16) last 12/21

El Paso County
++++Broadmoor area
Red-breasted Sapsucker --see directions (David Tonnessen/M.OB.) (first
12/21) last 12/23
++++Squirrel Creek Road Area
Curve-billed Thrasher (John Drummond) first 12/22
++++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

Huerfano County
++++La Veta Town Lakes
Rosy Finches (3, Brown-capped, 2 Black) (Gwen Moore) first 12/23

Jefferson County
++++Belmar Place apartment Lake (#640 & 620)
Yellow-throated Warbler (Bill Eley/Norm Lewis) (first 12/16) last 12/23
Prairie Warbler (Frank Farrell/Kevin DeBoer) (first 12/16) last 12/20
++++Standley Lake area
Snowy Owl --88th & Queen (Bars Moore) reported 12/23
++++Clement Park
Greater White-fronted Goose (Christopher Warneke) last 12/21

Jefferson/Douglas Counties
++++Chatfield Reservoir
Bonaparte's Gull --sand spit (Gregg Goodrich:Anna Troth) first 12/22
Great Black-backed Gull (Tom Wilberding) reported 12/20

Larimer County
++++Running Deer Natural Area
Harris's Hawk --north of Colorado Visitor's Center (David Wade/David
Leatherman) (first 12/10) last 12/23
++++Horsetooth Reservoir
Lesser Black-backed Gull (5) (Wade/Komar) (first 12/19) 2; last 12/23
++++Grandview Cemetery
Eastern Screech-Owl (red form) (Susan Bonfiglio:Matt Clark) last 12/23
++++Poudre Canyon
Northern Pygmy-Owl --east of Rustic (Bert Harris) first 12/23
++++Wellington Wildlife Area
Long-eared Owl (John Shenot) last 12/23
++++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

Pueblo County
++++Pueblo Reservoir
Prairie Warbler --below dam (Leon Bright/Percival) (first 12/5) last
++++Pueblo City Park
Carolina Wren (Percival/Robb Hinds) (first 11/15) last 12/23
++++Roselawn Cemetery
Yellow-bellied Sapsucker (Gregg Goodrich/Anna Troth) (first 12/18) last
++++Runyon Lake
Mew Gull (adult) (Percival) first 12/20
++++40th Lane
Western Screech-Owl (Van Truan) first 12/20

Weld County
++++Windsor Lake
Greater White-fronted Goose (Candice Johnson) last 12/23
Lesser Black-backed Gull (5) (Mlodinow/Bert Harris) (first 12/12) 1; last
++++County Road 122/CR 49
Lapland Longspur (32) --northwest corner (Gary Lefko) first 12/20


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


Lincoln County
++++County Road 109
Short-eared Owl --just north of CR 2X (Art Hudak:Mark Chavez) first 12/23

Logan County
++++Tamarack Ranch Wildlife Area
Golden-crowned Sparrow --CR 93 & South Platte River (Bill Kaempfer) first
Red-bellied Woodpecker (2) (Bill Kaempfer) last 12/23
Eastern Screech-Owl (1) (Rebecca Laroche) 3; last 12/23
Long-eared Owl (Kathy Mihm-Dunning) first 12/23
Eastern Bluebird (65) (Laroche) last 12/23
++++Interstate 76
Greater Prairie-Chicken (30) --see map (Glenn Walbek) first 12/23
++++Duck Creek Wildlife Area
Red-bellied Woodpecker (4) (Austin Hess) last 12/23
++++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

Logan/Sedgwick County
++++Jumbo Reservoir
Greater White-fronted Goose (4) (Bill Kaempfer) last 12/22

Logan/Washington Counties
++++Prewitt Reservoir
Eastern Screech-Owl (2) (Stevens:Michaels) last 12/22

Morgan County
++++Jackson Reservoir & area
Long-eared Owl (Stevens:Michaels) 2; last 12/22

Sedgwick County
++++Sand Draw Wildlife Area
Northern Pygmy-Owl (Steve Mlodinow) first 12/23
++++Ovid Woods
Red-bellied Woodpecker (Mlodinow) last 12/23
++++County Road 34
Lapland Longspur (260) --btw CR 37/CR 33 (Mlodinow) first 12/23
Common Redpoll --btw CR 37/CR 35 (Mlodinow) first 12/23

Washington County
++++County Road 7
Snowy Owl --east/CR M (Norm Erthal) first 12/21

Yuma County
++++Bonny Reservoir Area
Eastern Screech-Owl (Austin Hess) 3; last 12/22
Purple Finch --below dam (Loch Kilpatrick) first 12/22
Eastern Bluebird (2) --below dam (Robert Beauchamp) last 12/22
Eastern Bluebird (5) --wagon wheel CG (Austin Hess) last 12/22
Eastern Bluebird (14) --CR 5.5 (Walbek) first 12/22
Common Redpoll (16) --CR 5.5 (Glenn Walbek) first 12/22
Greater Prairie-Chicken (9) --CR LL.5 & CR 1 area (Austin Hess) first
Red-bellied Woodpecker --Fosters grove (Erthal) last 12/22
Red-bellied Woodpecker (3) (CR 5.5) (Walbek) last 12/22
Red-bellied Woodpecker --Hale Ponds (Loch Kilpatrick) last 12/21
Eastern Bluebird (5) --CR 4 (Kilpatrick) last 12/21
Harris's Sparrow (4) --CR 5.5 (Walbek) first 12/22
Northern Cardinal (2) --CR 3.5 (Beauchamp) first 12/22
Swamp Sparrow --CR 5 (Walbek) first 12/22
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


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

Fremont County
++++Valco Ponds, Canon City
Eurasian Wigeon --eastern pond (Rich Miller) first 12/23
++++Arkansas Riverwalk
Western Screech-Owl --Raynolds parking lot (Richard Bunn) last 12/19

Grand County
++++Shadow Mountain Reservoir
Barrow's Goldeneye (Slingsby & all/Burke Angstman) (first 12/1) last

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
++++Powderhorn Ski Area
Rosy Finches (153, 3 species) (Denise & Mark Vollmar) first 12/23
++++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
Pinyon Jay (53) --East 5th Avenue (Dexter:Wright) (first 9/15) 32; last
++++Old Hwy 90 along Silver Hawk Ranch
Pinyon Jay (27) (Dexter:Wright) (first 10/30) 46; last 12/22

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

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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