Date: 12/2/17 3:21 am
From: Amy Davenport <cobussec...> [cobirders] <cobirders-noreply...>
Subject: [cobirders] Colorado Rare Bird Alert for December 2, 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: 12/1/2017
Adams (Harris's Sparrow, Common Loon)
Arapahoe (Black Scoter, Mew Gull, Lesser Black-backed Gull)
Chaffee (Barrow's Goldeneye, Pinyon Jay)
Clear Creek (White-tailed Ptarmigan, American Three-toed Woodpecker)
Douglas (Greater Scaup)
El Paso (Greater White-fronted Goose)
Grand (White-winged Scoter, Barrow's Goldeneye)
Jefferson (White-throated Sparrow)
Larimer (Iceland Gull, Lesser Black-backed Gull)
Pitkin (Barrow's Goldeneye)
Pueblo (White-winged Scoter)


Adams County
++++First Creek Trail
Harris's Sparrow (John Breitsch/Terry Michaels) (first 11/29) last 12/1
(1/4 to 1/2 mile west of Buckley Road)
++++Rocky Mountain Arsenal
Common Loon --Lake Ladora (Candice Johnson/Terry Michaels) (first 10/31)
last 12/1
++++Barr Lake
White-throated Sparrow --west side/mile 3.0 (Stevens) first 11/30
++++Banner Lakes Wildlife Area
Long-eared Owl (2) (stevens:Michaels) last 11/30
++++Rocky Mountain Arsenal
Common Loon --Lake Ladora (Candice Johnson/Eric DeFonso) (first 10/31)
last 11/30
++++South Platte Birding Area
Barrow's Goldeneye --south/88th avenue (Dale Pate/Norm Lewis) (first
11/20) last 11/28
Pacific Loon --89th Avenue Pond (Chuck Aid) first 11/28

Arapahoe County
++++Aurora Reservoir
Black Scoter (Michaels/Stevens) (first 11/22) last 12/1
Mew Gull --Senac Cove (Richard Stevens) first 12/1
Lesser Black-backed Gull --shore at mile 2.5 (Dave King/Stevens) (first
11/5) last 12/1
++++South Platte Park
Greater Scaup (2) --C470 area (Christopher Warneke/Terry Michaels) (first
11/24) 5; last 12/1
++++Clement Park
Greater White-fronted Goose (Soctt Somershoe/Doug Kibbe) (first 11/11)
last 11/30
++++Cherry Creek Reservoir
Swamp Sparrow --Pelican Point (Richard Stevens/David Chernack) (first
11/3) last 11/29

Boulder County
++++Pella Crossing Area
Harris's Sparrow (Carl Starace) first 11/28

Douglas County
++++Salisbury Equestrian Park
Greater Scaup (2) (Nancy Davis/Cynthia Kristensen) (first 11/20) 1; last
++++Twenty-mile Pond at Bar CCC Park
Brant (Cheri Phillips/Tom Wilberding) (first 11/11) last 11/29
(also check field at northwest corner of Plaza Drive & 20-Mile road; 0.7
miles north of pond)

El Paso County
++++Prospect Lake at Memorial Park, Colorado Springs
Greater White-fronted Goose (Steve Getty/Alan & Mary Lynne Ketcham)
(first 11/25) last 12/1
Mew Gull (Drummond) first 11/30

El Paso/Pueblo Counties
++++Chico Basin Ranch (fee area)
Common Redpoll --banding station area (David Tonnessen) (first 11/18)
again 11/30

Jefferson County
++++Robert A. Easton Regional Park
White-throated Sparrow (Terry Michaels) last 12/1

Larimer County
++++Lake Loveland
Iceland Gull (Michael Britten) (first 11/27) last 12/1
Lesser Black-backed Gull (7) (Komar/Michael Britten) 1; last 12/1
++++Dry Creek Reservoir
Red-necked Grebe (Nick Komar:Walter Wehtje/David Wade) (first 11/29) last
++++Spring Canyon Community Park
Eastern Screech-Owl (Kevin Keirn) last 11/30
++++Lory State Park
Northern Pygmy-Owl --top of Howard trail (Libby Edwards) first 11/30
++++College Lake
Greater Scaup (Nick Komar) (first 11/27) last 11/30
++++Horseshoe Lake
Lesser Black-backed Gull (up to 7) (Michael Britten) 7; last 11/29
++++Grandview Cemetery
Eastern Screech-Owl (David Leatherman) last 11/29

Pueblo County
++++Lake Beckwith
White-winged Scoter (Dave Silverman) (first 11/21) last 12/1
++++Pueblo City Park
Yellow-throated Warbler --northeast corner (Mark Yaeger/Dexter:Wright)
(first 11/19) last 11/30
Barrow's Goldeneye (2) (Hurtado/Alan Ketcham) (first 11/25) 3; last 11/29
(Arkansas River Trail--east of Pueblo Blvd)
++++Pueblo Reservoir
Lesser Black-backed Gull (Dexter:Wright) last 11/30
Great Black-backed Gull (adult) (Percival/Dexter:Wright) (first 11/7)
last 11/30
Curve-billed Thrasher --North marina area (Dexter:Wright) last 11/30

Weld County
++++Union Reservoir & area
Pacific Loon (Steve Mlodinow) (first 11/9) last 11/30
Common Loon (Bill Prather/Mlodinow) (first 10/28) last 11/30
Bonaparte's Gull (3) (Mlodinow:Pheneger/Mlodinow) (first 10/17) 78; last
++++Crow Valley Campground
Common Redpoll (35) (David Leatherman/Sue Riffe) (first 11/28) last 11/29
(group picnic area to fenceline to Work Center)
++++Black Hollow Reservoir
Iceland Gull (2) (Mlodinow/Sue Riffe) (first 11/28) last 11/29
Lesser Black-backed Gull (3) (Mlodinow) first 11/28
Great Black-backed Gull (Mlodinow) reported 11/28
++++Greeley Gravel Ponds at 35th Avenue
Fox Sparrow (red) (Aaron Yappert) first 11/29
Greater White-fronted Goose (Gary Lefko/Yappert) (first 11/27) last 11/29
Varied Thrush (Shawn Mason) first 11/28
++++Adams and Bunker Reservoirs
Greater White-fronted Goose (Steve Mlodinow/Sue Riffe) (first 11/28) last
Snow Bunting (3) (Steve Mlodinow) first 11/28
++++County Road 111 (btw CR 124-136)
Sharp-tailed Grouse (6) (Mlodinow) last 11/28
Gray-crowned Rosy Finch (5) (Mlodinow) reported 11/28
Longspurs (3 species) (Mlodinow) first 11/28


Baca County
++++County Road C
Pinyon Jay (120) --btw Oklahoma Line & CR 8 (Kathy Mihm-Dunning) first
++++Cottonwood Canyon
Eastern Bluebird (3) --see map (Mihm-Dunning) first 11/28
++++Two Buttes Reservoir & area
Winter Wren (4) (David Dowell:Tim Smart/Mihm-Dunning) (first 11/26) 1;
last 11/28
Harris's Sparrow (4) (David Dowell:Tim Smart/Mihm-Dunning) (first 11/26)
last 11/28

Crowley County
++++Lake Henry
Chihuahuan Raven (Dexter:Wright) last 11/30
Bonaparte's Gull (12) (Brooke/Kathy Mihm-Dunning) (first 11/26) 1; last

Las Animas County
++++Cottonwood Canyon
Winter Wren (Mihm-Dunning) last 11/28

Otero County
++++Rocky Ford Wildlife Area
Bewick's Wren (3) (David Dowell) last 11/30
Eastern Bluebird (David Dowell) first 11/30
Common Redpoll (4) (Dowell) first 11/30
Northern Cardinal (David Dowell) first 11/30


Morgan County
++++Jackson Reservoir & area
Long-eared Owl (Stevens:Michaels) 1; last 11/29
Swamp Sparrow (Stevens:Michaels) first 11/28
White-throated Sparrow (2) (Mlodinow/Stevens:Michaels) (first 9/30) last
Eastern Screech-Owl (Stevens:Michaels) last 11/28


Chaffee County
++++Sands Lake Wildlife Area
Barrow's Goldeneye (2) (Jack Harlan/Jeff Guy) (first 11/17) 12/1
++++Ice Lake
Pinyon Jay (up to 280) --Private property, view from road (Hagenlocher)
1; last 12/1
Barrow's Goldeneye (4) (Christian Hagenlocher) first 11/30

Clear Creek County
++++Guanella Pass
White-tailed Ptarmigan (Stevens:Ken Bowen) 6; last 12/1
American Three-toed Woodpecker --Campgrounds (Stevens:Ken Bowen) 1; last
++++Loveland Pass
White-tailed Ptarmigan (1) (Stevens & all) last 11/19
(hill north of first pullover south of Pass and west of Hwy 9)

Garfield County
++++Rifle Gap Reservoir
Barrow's Goldeneye (JoAnn Riggle) first 11/29

Grand County
++++Shadow Mountain Reservoir
White-winged Scoter (Joey Angstman/Paul Slingsby) (first 11/21) last 12/1
Barrow's Goldeneye (7) (Slingsby & all) first 12/1
++++Lake Granby
Barrow's Goldeneye (6) (Slingsby & all) first 12/1

Jackson County
++++County Road 26b
Greater Sage-Grouse (1) --CR 26b (Stevens:Kosten) last 11/26
++++Colorado State Forest
American Three toed Woodpecker
(1) --Ranger Lakes (Stevens:Kosten) last 11/23
(m) --Across Hwy 14/north of Colorado State Forest Visitor's Center
(Stevens:Kosten) last 11/22
Boreal Owl
(1) --Ruby Jewell Road (Washburn:Simmons/Stevens:Kosten) (first 5/8) last
(2) --Ranger Lakes area (Stevens:Michaels) last 11/12

Mesa County
++++Whitewater Gravel Ponds
Long-tailed Duck (Coen Dexter:Brenda Wright/Carol Ortenzio) (first 11/25)
last 11/30
Common Loon (Dexter:Wright/Woodward:Stegall) (first 11/25) last 11/28
++++Grand Junction Wildlife Area
White-throated Sparrow --southeast corner (Mike Henwood) last 11/30
Western Screech-Owl (Katey Buster) last 11/30
++++Highline Lake State Park
Black Phoebe (Ronda Woodward/Katey Buster) (first 11/12) last 11/29
++++James Robb Colorado River State Park
White-winged Scoter (Denise & Mark Vollmar/Henwood:Cunningham) (first
11/11) last 11/28

Montrose County
++++Old River Road
Pinyon Jay (280) (George Steele) first 11/30
++++East 5th Avenue, Nucla
Pinyon Jay (53) (Dexter:Wright) (first 9/15) 25; last 11/27

Ouray County
++++Ridgway State Park
Possible Yellow-billed Loon (Andrea Robinsong & all) first 11/30
Barrow's Goldeneyes (Andrea Robinsong & all) first 11/30
Common Loon (3) (Coen Dexter:Brenda Wright/Betty Fenton) (first 10/31) 2;
last 11/29

Park County
++++Antero Reservoir
Tundra Swan (3) (Somershoe:Shoup/Ketcham) (first 11/9) 21; last 11/27
Red-necked Grebe (3) (Bushong/Ketcham) (first 11/25) last 11/27

Pitkin County
++++Ruedi Reservoir
Barrow's Goldeneye (male) (Filby/Vic Zerbi) (first 10/31) 2; last 12/1
Barrow's Goldeneye (3) --Farm Pond on road to Reservoir (Lousie
Glaser/Zerbi) (first 11/11) 23; last 12/1

Routt County
++++Stagecoach Recreational Area
Surf Scoter (Litteral/Nick Korte) (first 11/16) last 11/28
White-winged Scoter (2) (Tom Litteral/Korte) (first 11/12) last 11/28
Barrow's Goldeneye (2) (Litteral/Korte) (first 11/12) 20; last 11/28

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
Subscribe to "cobirders" by sending blank email to:
cobirders-subscribe AT
Read "cobirders" at:


Join us on Facebook!