Date: 11/3/17 3:42 am
From: Amy Davenport <cobussec...> [cobirders] <cobirders-noreply...>
Subject: [cobirders] Colorado Rare Bird Alert for November 3, 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: 11/2/2017
Adams (Harris's Sparrow)
Arapahoe/Jefferson (Surf Scoter)
Bent (Bonaparte's Gull, Common Loon, Black-bellied Plover, American
Golden-Plover, Lewis's Woodpecker)
Denver (Harris's Sparrow, Eastern Bluebird, Bohemian Waxwing)
Jefferson/Douglas (Rusty Blackbird)
Larimer (Lesser Black-backed Gull, Common Loon)
Mesa (Northern Mockingbird)
Moffat (Common Loon, Tundra Swan)
Ouray (Williamson's Sapsucker)
Weld (Pectoral Sandpiper)


Adams County
++++Rocky Mountain Arsenal
Harris's Sparrow (Adam Vesely) first 11/2
(above: Prairie switchback trail, north of Marys Lake)
Common Loon (Josh Seibel) last 11/1
Long-eared Owl --Legacy Trail (Jacob Washburn) last 10/31
Eastern Bluebird (4) (Candice Johnson) first 10/31
++++McKay Lake
Common Loon (Matt Hofeditz) first 10/30
++++Barr Lake
Long-eared Owl --east side (Bezuidenhout) last 10/30

Arapahoe County
++++South Platte Park
Surf Scoter --north of C470 (Chuck Aid) first 11/1
++++Cherry Creek Reservoir
Eastern Bluebird (7) (Sarah Leavesley) first 11/1
Common Loon (Richard Stevens) (first 10/16) last 11/1
Black Scoter (Richard Stevens) first 11/1
Bonaparte's Gull (Michaels/Stevens) (first 10/19) last 11/1

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

Boulder County
++++Boulder Reservoir
Common Loon (David Dowell/Matt Hofeditz) (first 10/25) last 10/31
Bonaparte's Gull (Pheneger) first 10/29
++++McIntosh Lake
Ross's Goose (Todd Deininger) first 10/30
++++Kittredge Pond
Yellow-throated Warbler (Nick Moore/Christian Nunes:Peter Burke) (first
10/27) last 10/29
(Latest: back at Oak Trees at northeast corner of eastern pond)
(pines between the Fiske Planetarium and the Speech Language Hearing
Services building)
++++Coal Creek, Louisville
Harris's Sparrow (Jack Bushong) first 10/29

Denver County
++++Bluff Lake Nature Area
Harris's Sparrow --near entrance building (John Cobb) first 11/2
++++Washington Park Map
Eastern Bluebird (8) (Joe Roller/Judith Henderson) (first 10/31) 10; last
Bohemian Waxwing (among 58 Cedar Waxwings) (Stevens) first 11/2
(All above in trees near Lawn Bowling area)

Douglas County
++++McLellan Reservoir
Harris's Sparrow --periphery (Michael Woodruff) first 10/31

El Paso County
++++Doubletree Hotel Pond
Rusty Blackbird (David Tonnessen) reported 11/1
++++Red Rock Canyon Open Space
White-throated Sparrow (Jim Merritt) (first 10/27) last 10/31
++++Ramah Wildlife Area
Bonaparte's Gull (David Tonnessen) first 10/29
Snow Bunting (female) --gravel road (Diane Roberts) reported 10/29

Jefferson County
++++Harriman Lake Park
Swamp Sparrow (Kate Frost/Sara Handy) (first 10/31) last 11/1
++++Bear Creek Lake Park
Common Loon (3) --off Pelican Point (Mark Chavez) first 10/31
++++Wheat Ridge Greenbelt
White-throated Sparrow (2) (Daniel Horton) first 10/31
++++Robert A. Easton Regional Park
Surf Scoter (Mark Chavez) first 10/31
++++Evergreen Lake
White-throated Sparrow (Ben Lagasse) first 10/31

Jefferson/Douglas Counties County
++++Chatfield Reservoir area
Rusty Blackbird --swim beach (Frank Farrell) first 11/2
Swamp Sparrow --Plum Creek delta (Lorraine Lanning) first 11/1

Larimer County
++++Larimer County Landfill
Lesser Black-backed Gull (3) (Joshua Smith) first 11/2
(Restricted access, see directions; closed on Sundays, no view from
outside of property)
++++Boyd Lake State Park
Common Loon (Nick Komar) first 11/2
++++Red Fox Meadows Natural Area
White-throated Sparrow (Nick Komar) first 11/1

Pueblo County
++++Teller Reservoir
Curve-billed Thrasher (Van Truan) first 10/30
++++Pueblo Reservoir
Common Loon (5) (Percival) 3; last 11/1
(South marina area & W. Fishing Road area)
Surf Scoter (8) (Percival) (first 10/24) 1; last 11/1
Bonaparte's Gull (3) (Percival) (first 10/24) 14; last 11/1
(South marina area & W. Fishing Road area)
Lesser Black-backed Gull (2) (Percival) last 11/1
Pinyon Jay (2) --W. Fishing Road (Percival) first 11/1
Eastern Bluebird --Osprey Picnic area (Percival/Chris Brobin) (first
10/31) last 11/1
Eurasian Wigeon (male) (Percival) first 10/31
Black Scoter (Percival) first 10/31
(all above unless otherwise stated: off south shore marina)

Weld County
++++County Road 43
Pectoral Sandpiper (2) --south of CR 44 (Cheri Phillips) first 11/1
++++Union Reservoir
Bonaparte's Gull (3) (Mlodinow:Pheneger/Steve Mlodinow) (first 10/17) 30;
last 11/1
Red-necked Grebe --northwest corner (Luke Pheneger/Chris Owens) (first
10/17) last 10/29
++++North County Line Road Pond
Tundra Swan (Joe Mammoser) first 10/31
(Just north of Weld CR 86; 2.5 to 3.0 miles north of hwy 14)
++++County Roads
Lapland Longspur
(2) --CR 33/1.0 miles south/CR 98 (Gary Lefko) first 10/31
(6) --CR 29/0.5 miles north CR 90 (Lefko) first 10/31

Southeastern Colorado

Bent County
++++Blue Lake
Bonaparte's Gull (16) (David Leatherman:Janeal Thompson) first 11/2
Common Loon (1) (Leatherman:Thompson) first 11/2
Black-bellied Plover (2) (Leatherman:Thompson) first 11/2
American Golden-Plover (1) (Leatherman:Thompson) first 11/2
++++County Road 14, near CR KEK
Lewis's Woodpecker (David Leatherman) first 11/2


Washington County
++++Prewitt Reservoir area
American Golden-Plover (Norm Lewis) reported 11/1
Dunlin (Norm Lewis) reported 11/1
Bonaparte's Gull (Norm Lewis) first 11/1

Yuma County
++++Bonny Reservoir Area
Northern Cardinal --Wagon Wheel Campgrounds (Sheridan Samano) first 10/29
Red-bellied Woodpecker --Wagon Wheel Campgrounds (Norm Lewis) last 10/25
Sprague's Pipit --Pipit Hill (Richard Stevens/Norm Lewis) (first 9/21) 1;
last 10/25
Eastern Screech-Owl --Hale Ponds (Washburn) last 10/19
Eastern Screech-Owl (2) --Republican River/east/hwy 385 (Washburn) last


Chaffee County
++++Chaffee County
Lewis's Woodpecker (2) --Pleasant Avenue (Stevens:Michaels) last 11/1
Pinyon Jay (14) --Hwy 24, see map (Stevens:Michaels) last 11/1

Eagle County
++++Dotsero Ponds
Pinyon Jay (24) (JoAnn Riggle) last 10/31
++++Spring Park Reservoir
Barrow's Goldeneye (2 males) (Dick Filby) (first 10/28) 4; last 10/30

Eagle/Pitkin Counties
++++Ruedi Reservoir
Surf Scoter (2) (female/imm) (Dick Filby) first 10/31
Barrow's Goldeneye (male) (Filby) first 10/31

Mesa County
++++Cheney Reservoir
Northern Mockingbird (Mike Henwood) first 11/2
++++Vega State Park
Common Loon (7) (Mike Henwood & all) first 11/1
++++James Robb Colorado River State Park
Bonaparte's Gull (Denise & Mark Vollmar) first 10/30

Moffat County
++++Elkhead Reservoir
Common Loon (Jan Leonard) first 11/2
++++Pond near Loudy Simpson Park
Tundra Swan (8) --north of Loudy (Jan Leonard/Tresa Moulton) (first
10/31) 6; last 11/2
++++WFMC Gravel Pit Ponds
Tundra Swan (2 adult) (Forrest Luke) first 11/1
(view from informational kiosk turnoff almost directly across from Hwy 13
turnoff to Craig Station power plant)

Montrose County
++++Old Hwy 90 along Silver Hawk Ranch
Pinyon Jay (27) (Dexter:Wright) first 10/30
++++East 5th Avenue, Nucla
Pinyon Jay (53) (Dexter:Wright) (first 9/15) 48; last 10/30

Ouray County
+++Owl Creek Pass Road
Williamson's Sapsucker (2) (Betty Fenton) first 11/2
++++Ridgway State Park
Common Loon (3) (Coen Dexter:Brenda Wright/Kent Nelson) (first 10/31)
last 11/1

Park County
++++Spinney Mountain
Tundra Swan (Stevens:Michaels) first 11/1
Surf Scoter (4) (Joey Kellner & all/Stevens:Michaels) (first 10/29) last
Common Loon (2) (Joey Kellner & all/Stevens:Michaels) (first 10/29) last
++++Eleven Mile Reservoir
Surf Scoter (24) (Joey Kellner & all/Stevens:Michaels) (first 10/29) last
White-winged Scoter (4) (Joey Kellner & all/Stevens:Michaels) (first
10/29) last 10/31
Black Scoter (1) (Stevens:Michaels) first 10/31
Common Loon (M.OB./Stevens:Michaels) (first 10/23) 2; last 10/31
++++Antero Reservoir
Surf Scoter (Joey Kellner & all/Stevens:Michaels) (first 10/29) last 10/31
Common Loon (6) (Joey Kellner & all/Stevens:Michaels) (first 10/29) last
Sanderling (M.OB.) first 10/29
Bonaparte's Gull (M.OB.) first 10/29

Routt County
++++Lake Catamount
Greater Scaup (JoAnn Riggle) (first 10/22) 1; last 11/1
Surf Scoter (2) (Tom Litteral & all/JoAnn Potter Riggle) (first 10/29) 1;
last 11/1
Barrow's Goldeneye (JoAnn Riggle) (first 10/22) 8; last 10/30
++++County Road 18
Common Redpoll --see map (Tresa Moulton) first 10/31

San Miguel County
++++Miramonte Reservoir
White-winged Scoter (5) (Dexter:Wright) (first 10/23) 6; last 10/31
Common Loon (Eric Hynes/Dexter:Wright) (first 10/22) 6; last 10/31

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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