Date: 11/1/17 3:14 am
From: Amy Davenport <cobussec...> [cobirders] <cobirders-noreply...>
Subject: [cobirders] Colorado Rare Bird Alert for November 1, 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: 10/31/2017
Adams (Long-eared Owl, Eastern Bluebird)
Arapahoe (Common Loon, Bonaparte's Gull)
Boulder (Common Loon)
Denver (Eastern Bluebird)
Douglas (Harris's Sparrow)
Eagle (Pinyon Jay)
Eagle/Pitkin (Surf Scoter, Barrow's Goldeneye)
El Paso (White-throated Sparrow)
Jefferson (Swamp Sparrow, Common Loon, White-throated Sparrow, Surf Scoter)
Moffat (Tundra Swan)
Park (Surf Scoter, White-winged Scoter, Black Scoter, Common Loon)
Pueblo (Eurasian Wigeon, Black Scoter, Surf Scoter, Common Loon,
Bonaparte's Gull, Lesser Black-backed Gull, Eastern Bluebird)
Routt (Common Redpoll)
Weld (Tundra Swan, Lapland Longspur)


Adams County
++++Rocky Mountain Arsenal
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
Winter Wren --mile 8.6 (Richard Stevens) first 10/29 Stevens:NOT 10/30
++++McKay and 100th Avenue Ponds
Surf Scoter (3) --just north of water treatment plant (Adam Vesely) first

Arapahoe County
++++Cherry Creek Reservoir
Common Loon (Richard Stevens/Dave King) (first 10/16) last 10/31
Bonaparte's Gull (Michaels/Dave King) (first 10/19) last 10/31
Surf Scoter (Mary Burger/Luke Pheneger) (first 10/22) last 10/29
Lesser Black-backed Gull (Pheneger) last 10/29
Harris's Sparrow (Pheneger) first 10/29
++++Aurora Reservoir Area
Bonaparte's Gull (Stevens:Kosten) first 10/28

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
++++Washington Park
Eastern Bluebird (8) (Joe Roller) first 10/31
++++Marston Reservoir
Red-throated Loon (Doug Kibbe/Stevens:Kosten) (first 10/23) last 10/28
Common Loon (4) (Kibbe/Stevens:Kosten) (first 10/23) 2; last 10/28

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

El Paso County
++++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
Eastern Bluebird (10) (Diane Roberts) first 10/29
++++Aiken Canyon Preserve
Lewis's Woodpecker (David Tonnessen) first 10/28

Jefferson County
++++Harriman Lake Park
Swamp Sparrow (Kate Frost) first 10/31
++++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

Larimer County
++++Arapahoe Bend Natural Area
Black-bellied Plover (Amy Davis/Robert Beauchamp) (first 10/8) last 10/29
++++Topminnow Natural Area
Swamp Sparrow (Robert Beahchamp) first 10/29
++++Rocky Mountain National Park
(Be sure to check Trail Ridge Road status before visiting, weather will
close down)
American Three-toed Woodpecker (1) --Bear Lake (Michael McCloy) last

Pueblo County
++++Teller Reservoir
Curve-billed Thrasher (Van Truan) first 10/30
++++Pueblo Reservoir
Eurasian Wigeon (male) (Percival) first 10/31
Black Scoter (Percival) first 10/31
Surf Scoter (8) (Percival) (first 10/24) 2; last 10/31
Common Loon (5) (Percival) 5; last 10/31
Bonaparte's Gull (3) (Percival) (first 10/24) 5; last 10/31
Lesser Black-backed Gull (2) (Percival) last 10/31
(all above: off south shore marina)
Eastern Bluebird --Osprey Picnic area (Percival) first 10/31

Weld County
++++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
++++Union Reservoir
Red-necked Grebe --northwest corner (Luke Pheneger/Chris Owens) (first
10/17) last 10/29


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 (David Dowell) last 10/29
Pinyon Jay (54) --Pleasant Avenue (David Dowell) last 10/29

Clear Creek County
++++Guanella Pass
White-tailed Ptarmigan (6) (Stevens & all) last 10/21

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

Jackson County
++++Eighteen Islands Reservoir
Tundra Swan (2) (David Dowell) reported 10/28
Pectoral Sandpiper (Dowell) first 10/28
++++Walden Reservoir and area
Common Loon (David Dowell) first 10/28
Greater Scaup (2) (David Dowell) first 10/28
Pectoral Sandpiper (2) (Dowell) first 10/28
Bonaparte's Gull (Dowell) first 10/28

Mesa County
++++James Robb Colorado River State Park
Bonaparte's Gull (Denise & Mark Vollmar) first 10/30
++++Grand Junction Wildlife Area
Black Phoebe (David Price) first 10/29
Sagebrush Sparrow (Price) first 10/29

Moffat County
++++Pond near Loudy Simpson Park
Tundra Swan (8) (Jan Leonard) first 10/31

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

Park County
++++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
++++Spinney Mountain
Surf Scoter (4) (Joey Kellner & all/Stevens:Michaels) (first 10/29) last
Common Loon (2) (Joey Kellner & all/Stevens:Michaels) (first 10/29) last
++++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
++++County Road 18
Common Redpoll --see map (Tresa Moulton) first 10/31
++++Lake Catamount
Surf Scoter (2) (Tom Litteral & all/JoAnn Potter Riggle) (first 10/29) 1;
last 10/30
Greater Scaup (JoAnn Riggle) (first 10/22) 1; last 10/30
Barrow's Goldeneye (JoAnn Riggle) (first 10/22) 8; last 10/30

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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