Date: 11/24/17 3:26 am
From: Amy Davenport <cobussec...> [cobirders] <cobirders-noreply...>
Subject: [cobirders] Colorado Rare Bird Alert for November 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: 11/23/2017
Adams (Eastern Bluebird, Greater Scaup)
Boulder (Common Redpoll, Swamp Sparrow, Hammond's Flycatcher)
Denver (Bonaparte's Gull)
Douglas (Brant)
El Paso (American Three-toed Woodpecker)
Fremont (Pinyon Jay, Harris's Sparrow, Lincoln's Sparrow)
Jackson (American Three-toed Woodpecker, Boreal Owl)
Jefferson (Black Scoter, White-throated Sparrow, Common Redpoll)
Larimer (Tundra Swan, Common Loon, Greater White-fronted Goose)
Mesa (Western Tanager)
Ouray (Common Loon)
Park (Gray-crowned Rosy Finch)
Weld (Pacific Loon, Common Loon, Bonaparte's Gull)


Adams County
++++First Creek Trail
Eastern Bluebird (5) (John Breitsch) first 11/23
++++South Platte Birding Area
Greater Scaup (Cynthia Madsen) reported 11/23
Barrow's Goldeneye --south/88th avenue (Dale Pate/John Rutenbeck:Carl
Bendorf) (first 11/20) last 11/21
++++Rocky Mountain Arsenal
Common Loon --Lake Ladora (Candice Johnson/Washburn:Thompson) (first
10/31) last 11/22
Greater Scaup (2) (Michaels/Diane Roberts) (first 11/18) 5; last 11/22
Iceland Gull (Diane Roberts) reported 11/22

Arapahoe County
++++Aurora Reservoir Area
Surf Scoter (Dave King:Jacob Washburn/Michaels) (first 11/10) again 11/22
White-winged Scoter (Washburn/Michaels) (first 11/10) again 11/22
Black Scoter (Michaels) first 11/22
Bonaparte's Gull (Stevens:Kosten/Michaels) (first 10/28) last 11/22
Lesser Black-backed Gull (Dave King/Michaels) (first 11/5) last 11/22
Common Loon (Washburn/Michaels) (first 10/15) last 11/22
++++Cherry Creek Reservoir
Rusty Blackbird (Karen Hinz) reported 11/22
Bonaparte's Gull (Terry Michaels) (first 10/19) 4; last 11/21
++++Aurora Hills Golf Course & Bicentennial Park
Greater White-fronted Goose --Hole 12/east side of GC (Dave King) first
may be observed from bike path between Golf Course & Bicentennial Park)
Bonaparte's Gull (Terry Michaels) (first 10/19) 4; last 11/21

Arapahoe/Jefferson Counties
++++South Platte Park Reservoir & Area
Surf Scoter (2) --southwest corner, Jefferson Cty (Bart Deferme/Dale
Pate) (first 10/25) last 11/22

Boulder County
++++Boulder Reservoir complex
Common Redpoll (Earl Johnson) first 11/23
++++Golden Ponds
Swamp Sparrow (Luke Pheneger/David Dowell) (first 11/11) last 11/23
Greater White-fronted Goose (2) (Luke Pheneger) (first 11/19) 1; last
++++Twin Lakes Open Space
Hammond's Flycatcher (Jeff Parks/Ginny Bergstrom) (first 11/19) last
++++Old St. Vrain Road
Winter Wren (Carl Starace) first 11/22
++++Lagerman Reservoir
Bonaparte's Gull (4) (Pheneger) last 11/22
Iceland Gull (Luke Pheneger) first 11/20
++++Sale Lake
Swamp Sparrow (Ernest Crvich/Stevens:Kosten) (first 11/20) last 11/21

Denver County
++++Marston Reservoir
Bonaparte's Gull (3) (Mackenzie Goldthwait) first 11/23
++++Garland Park
Greater White-fronted Goose (Don Beltz) first 11/20

Douglas County
++++Twenty-mile Pond at Bar CCC Park
Brant (Cheri Phillips/John Haycraft) (first 11/11) last 11/23
(also check field at northwest corner of Plaza Drive & 20-Mile road; 0.7
miles north of pond)
Greater Scaup (6) (Mark Amershek:Nancy Davis) first 11/22
++++Salisbury Equestrian Park
Greater Scaup (2) (Nancy Davis/Brian Johnson) (first 11/20) last 11/22
++++Walker Gravel Pit
Greater Scaup (2) (Cheri Phillips/Mark Amershek) (first 11/11) 3; last

El Paso County
++++Cheyenne Mountain Park
American Three-toed Woodpecker (Jon Wise) first 11/22

Jefferson County
++++Wheat Ridge Greenbelt
Black Scoter (Mark Chavez/M.OB.) (first 11/21) last 11/23
White-throated Sparrow (Timo Mitzen:Lindsay Purifoy) first 11/23
++++Hutchison Park/Green Mountain
Common Redpoll (Timo Mitzen:Lindsay Purifoy) first 11/23
++++Clement Park
Greater White-fronted Goose (Soctt Somershoe/Brian Johnson) (first 11/11)
last 11/22
++++Belmar Historic Park
Greater White-fronted Goose (Chris Gilbert) last 11/22
Greater Scaup (Gilbert) first 11/22

Jefferson/Douglas County
++++Chatfield Reservoir area
Bonaparte's Gull (9) (Scott Hollis) last 11/22

Larimer County
++++Rawhide Reservoir
Tundra Swan (Fawn Simonds) first 11/23
++++Douglas Reservoir
Common Loon (Nick Komar/John Shenot) (first 11/11) last 11/23
++++North Poudre Reservoir #3
Greater White-fronted Goose (John Shenot) first 11/23
++++Equalizer Lake
Greater White-fronted Goose (Robert Beauchamp) first 11/22
++++Woods Lake
Greater White-fronted Goose (Gary Lefko) first 11/22
++++Rocky Mountain National Park
Bohemian Waxwing (22) --Bear Lake (Sue Riffe) first 11/21
++++Boyd Lake State Park
Common Loon (2) (James Mccall/David Dowell) (first 11/14) last 11/21
Lesser Black-backed Gull (4) (David Dowell) last 11/21
Glaucous-winged Gull (Dowell) first 11/21
++++Larimer County Landfill
Lesser Black-backed Gull (3) (Joshua Smith) (first 11/2) 2; last 11/21
(Restricted access, see directions; closed on Sundays, no view from
outside of property)

Pueblo County
++++Lake Beckwith
White-winged Scoter (Dve Silverman) (first 11/21) last 11/22
++++Pueblo Reservoir
Bonaparte's Gull (Kevin Ash) 8; last 11/22
Great Black-backed Gull (adult) (Brandon Percival) (first 11/7) last 11/20
Lesser Black-backed Gull (adult) (Percival) last 11/20
Iceland Gull (Percival) (first 11/12) last 11/20
Common Loon (up to 30) (Percival) 5; last 11/20
++++Pueblo City Park
Yellow-throated Warbler --northeast corner (Mark Yaeger) first 11/19
Yellow-bellied Sapsucker (Mark Yaeger) first 11/17

Weld County
++++Union Reservoir & area
Pacific Loon (Mlodinow) (first 11/9) last 11/23
Common Loon (Bill Prather/Mlodinow) (first 10/28) 2; last 11/23
Bonaparte's Gull (3) (Mlodinow:Pheneger/Mlodinow) (first 10/17) 29; last
Common Yellowthroat (Mlodinow) (first 11/11) last 11/21
++++Windsor Lake
Lesser Black-backed Gull (Rutherford/Megan Miller) (first 11/11) again


Logan County
++++Tamarack Ranch Wildlife Area
Red-bellied Woodpecker (8) (Pablo Quezada) last 11/19
Eastern Bluebird (Quezada) last 11/19
Northern Cardinal (Pablo Quezada) last 11/19
++++Sterling Reservoir and Area
Bonaparte's Gull (up to 25) (Stevens/Erthal) (first 11/16) last 11/19


Chaffee County
++++McPhelemy Park
Lewis's Woodpecker (Renee Casias) last 11/19

Clear Creek County
++++Loveland Pass
White-tailed Ptarmigan (1) (Stevens & all) last 11/19
(hill north of first pullover south of Pass and west of Hwy 9)

Delta County
++++G50 Road
Great Egret (Glenn Pearson/Mike Henwood) first (first 11/10) last 11/22

Eagle County
++++Frying Pan River, outside of Basalt
Barrow's Goldeneye (7 male, 8 female) --pond by Cap K (Louise
Glaser/Zerbi) (first 11/19) 8; last 11/21

Eagle/Pitkin Counties
++++Ruedi Reservoir
Barrow's Goldeneye (male) (Filby/Vic Zerbi) (first 10/31) 7; last 11/21
(1, Pitkin County; 6, Eagle County)

Fremont County
++++Brush Hollow Wildlife Area
Pinyon Jay (42) (Kevin & Jerry DeBoer) last 11/23
++++Siloam Road and CR 110 area
Harris's Sparrow (DeBoer) first 11/23
Lincoln's Sparrow (7) (DeBoer) first 11/23

Grand County
++++Shadow Mountain Reservoir
White-winged Scoter (Joey Angstman) first 11/21

Jackson County
++++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
++++Town of Gateway
Western Tanager (late) (Coen Dexter:Brenda Wright) first 11/23

Ouray County
++++Ridgway State Park
Common Loon (3) (Coen Dexter:Brenda Wright/Betty Fenton) (first 10/31) 1;
last 11/23

Park County
Gray-crowned Rosy Finches (15) (Norm Lewis/Barry Southard) (first 11/22)
1; last 11/23
Brown-capped Rosy Finch (3) (Norm Lewis) first 11/22
++++Eleven Mile Reservoir
Long-tailed Duck (Chris Owens & all/David Tonnessen) (first 11/4) last
Barrow's Goldeneye (4) (McCloy/Tonnessen) (first 11/11) 2; last 11/22
Snow Bunting --turnoff/Lazy Boy:Rocking Chair (Myron Gerhard) first 11/20
Snow Bunting --turnoff/Lazy Boy:Rocking Chair (Myron Gerhard) first 11/20

San Miguel County
++++Miramonte Reservoir
Barrow's Goldeneye (2) (Hynes & all/George Steele) (first 11/18) last
Common Loon (Eric Hynes/George Steele) (first 10/22) 1; last 11/21
Sabine's Gull (1st winter) (Hynes & all/George Steele) (photographed
11/18) last 11/21

Summit County
++++Blue River Water Treatment Plant
Barrow's Goldeneye (Stevens & all) first 11/19
++++Dillon Reservoir
Barrow's Goldeneye (2+) (Tom Wilberding) first 11/19

Teller County
++++Crags Trail
American Three-toed Woodpecker (Kevin Ash) last 11/20
++++Manitou Lake
White-winged Scoter (male) (Robb Hinds) first 11/19

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!