Date: 11/10/17 3:36 am
From: Amy Davenport <cobussec...> [cobirders] <cobirders-noreply...>
Subject: [cobirders] Colorado Rare Bird Alert for November 10, 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: 11/9/2017
Arapahoe (Greater White-fronted Goose, Tundra Swan, Greater Scaup, Common
Loon, Rusty Blackbird)
Boulder (Greater White-fronted Goose, Pacific Loon, Common Loon,
Bonaparte's Gull)
Boulder/Broomfield (Tundra Swan)
Chaffee (Pinyon Jay, Lewis's Woodpecker)
El Paso (Eastern Bluebird)
Jefferson (Common Loon)
Larimer (Parasitic Jaeger, Common Loon, Winter Wren, Eastern Screech-Owl,
Bonaparte's Gull, Iceland Gull, Harris's Sparrow)
Logan/Sedgwick (Surf Scoter, Common Loon)
Mesa (White-winged Scoter, Trumpeter Swan, Common Loon)
Montrose (White-throated Sparrow, Pinyon Jay)
Park (Surf Scoter, White-winged Scoter, Long-tailed Duck, Bonaparte's Gull,
Common Loon, Tundra Swan, Pacific Loon)
Pueblo (Black Scoter)
Weld (Pacific Loon, Common Loon, Bonaparte's Gull)


Adams County
++++Barr Lake
Bonaparte's Gull (2) (Dave King) first 11/7
Common Loon (Dave King) first 11/7

Arapahoe County
++++Aurora Reservoir
Greater White-fronted Goose (Stevens:Cryder) last 11/9
Tundra Swan --east side of dam (Steve Rash) first 11/9
Greater Scaup (2) (Stevens:Cryder) first 11/9
Common Loon (Washburn/Stevens:Cryder) (first 10/15) last 11/9
++++Cherry Creek Reservoir
Rusty Blackbird (2) (Diane Roberts) reported 11/9
Possible Black-legged Kittiwake (Stevens) first 11/7
Bonaparte's Gull (Terry Michaels/Richard Stevens) (first 10/19) 22; last
Common Loon (Richard Stevens) (first 10/16) last 11/7
++++Dekoevand Park
Fox Sparrow (red race) (Jared Del Rosso) (first 11/6) last 11/8
(beneath some feeders along the High Line near the park's southwest edge)
Eastern Screech-Owl (Stevens:Washburn) last 11/8

Arapahoe/Jefferson Counties
++++South Platte Park Reservoir & Area
Surf Scoter (2) --southwest corner, Jefferson Cty (Bart Deferme/JoAnn
Hackos) (first 10/25) 1; last 11/8

Boulder County
++++Boulder Reservoir complex
Greater White-fronted Goose (3) (David Dowell/Luke Pheneger) (first 11/8)
last 11/9
Pacific Loon (Dowell/Pheneger) (first 11/8) last 11/9
Common Loon (David Dowell/Pheneger) (first 10/25) 3; last 11/9
Iceland Gull --Six Mile Reservoir (Dowell) first 11/8
++++Baseline Reservoir
Bonaparte's Gull (16) (Christian Nunes) first 11/9
Common Loon (Christian Nunes) (first 10/16) last 11/8
++++CU South Campus
Harris's Sparrow (Sharon Norfleet) first 11/8
++++Majestic View Park
Eastern Bluebird (9) (Mark Chavez/Dale Pate) (first 11/7) last 11/8
++++Carriage Hills Area
Brown-capped Rosy Finch (69) --(Best during a snowstorm) (Scott Rashid)
first 11/7
Gray-crowned Rosy Finch (9) --(Best during a snowstorm) (Scott Rashid)
first 11/7
++++Valmont Reservoir Complex
Long-tailed Duck --seen from Legion Park overlook (Peter Gent) first 11/6

Boulder/Broomfield Counties County
++++Stearns Lake
Tundra Swan (3 adult, 4 imm) (Mark Minner-Lee) first 11/9
(Currently in Boulder County; may swim to Broomfield County)

Douglas County
++++Rampart Range Road Near Hwy 67
American Three-toed Woodpecker (Stevens:Washburn) last 11/8
Northern Pygmy-Owl (Stevens:Washburn) last 11/8
Northern Saw-whet Owl (2) (Stevens:Washburn) last 11/8
++++Salisbury Equestrian Park
Greater White-fronted Goose (4) (Chris Gilbert) first 11/8

El Paso County
++++Red Rock Canyon Open Space
Eastern Bluebird (Chris Brobin) first 11/9

Jefferson County
++++Standley Lake
Common Loon (Norm Erthal) first 11/9

Jefferson/Douglas Counties County
++++Chatfield Reservoir area
Bonaparte's Gull (Dale Pate/Wilberding:Kiessig) first (first 10/24) last

Larimer County
++++Timnath Reservoir
Parasitic Jaeger (dark morph juv) --flew southward (Nick Komar) last 11/9
Common Loon (Bob Righter/Nick Komar) (first 11/3) last 11/9
++++Lee Martinez Park
Winter Wren (Nick Komar/Kevin Keirn) (first 11/8) last 11/9
(where Poudre River crosses Creek, just west of Discovery Museum)
Eastern Screech-Owl (Robert Beauchamp) last 11/9
++++Douglas Reservoir
Bonaparte's Gull (3) (John Shenot/Michael McCloy) (first 10/28) 1; last
Iceland Gull (Michael McCloy) first 11/9
++++Grandview Cemetery
Harris's Sparrow (Nooner:McCloy:Sparks) first 11/9
++++Boyd Lake State Park
Greater White-fronted Goose (3) (David Wade) first 11/7
Lesser Black-backed Gull (2) (Wade) first 11/7

Pueblo County
++++Pueblo Reservoir
Black Scoter (2 female type) (Percival) first 11/9
Common Loon (5) (Percival) 17; last 11/8
Great Black-backed Gull --south marina (Brandon Percival) first 11/7

Weld County
++++Union Reservoir
Pacific Loon (Mlodinow) first 11/9
Common Loon (Bill Prather/Mlodinow) (first 10/28) last 11/9
Bonaparte's Gull (3) (Mlodinow:Pheneger/Steve Mlodinow) (first 10/17) 20;
last 11/9
Red-necked Grebe --northwest corner (Luke Pheneger/Chris Owens) (first
10/17) last 10/29
++++Loloff Reservoir
Bonaparte's Gull (6) (Norm Lewis:Yvonne Parrott) first 11/9
++++Woods Lake
Red-throated Loon (Steve Mlodinow) first 11/7
++++Lower Latham Reservoir
Greater Scaup (4) (Steve Mlodinow) first 11/7
++++Windsor Lake
Parasitic Jaeger (Gary Lefko/Steve Mlodinow) (first 11/5) last 11/7
Iceland Gull (Mlodinow) first 11/7

Southeastern Colorado

Baca County
++++Cottonwood Canyon
Winter Wren (Leatherman:Thompson) last 11/6
(in the blackberry patch w of the road along the creek where one has been
in winters past (not far from the old homestead)
++++Carrizo Creek Picnic Area
Pinyon Jay (180) (David Leatherman:Janeal Thompson) last 11/6

Otero County
++++Lake Holbrook
Red-necked Grebe (Setta Moss/Stan Oswald) (first 11/3) last 11/7
Common Loon (Oswald) first 11/7

Prowers County
++++Lamar Community College
Rose-breasted Grosbeak (young male) (Leatherman) first 11/7
(west side of the road that runs behind the college northwest from the
dumpsters north of the tennis courts)
Northern Cardinal (Leatherman) last 11/7
White-throated Sparrow (Leatherman) (first 11/3) last 11/7


Logan County
++++Sterling Reservoir and Area
Barn Owl (Stevens:Kosten) last 11/6
Snow Bunting (Stevens:Kosten) last 11/6
++++Tamarack Ranch Wildlife Area
Eastern Screech-Owl (4) (Mlodinow) last 11/5

Logan/Sedgwick Counties
++++Jumbo Reservoir
Surf Scoter (Mlodinow/Nick Moore) (first 11/5) 2; last 11/9
Common Loon (12) (Nick Moore) first 11/9
Eastern Meadowlark --northeast corner (Richard Stevens:Rebecca Kosten)
first 11/6
Snow Bunting (2) (Mlodinow/Stevens:Kosten) (first 11/5) last 11/6

Logan/Washington Counties
++++Prewitt Reservoir area
Eastern Bluebird (Mlodinow/James Mccall) (first 11/5) last 11/8
Greater Scaup (Stevens:Kosten) first 11/6
Red-bellied Woodpecker (Jeff Dawson/Stevens:Kosten) (first 9/30) last 11/6
Eastern Screech-Owl (Stevens:Kosten) last 11/6

Morgan County
++++Jackson Reservoir & area
Common Loon (Mlodinow/Stevens:Kosten) (first 11/5) last 11/6
Bonaparte's Gull (5) (Mlodinow/Stevens:Kosten) (first 11/5) last 11/6
Eastern Screech-Owl (Stevens:Kosten) last 11/6
Long-eared Owl (2) (Stevens:Kosten) last 11/6

Sedgwick County
++++DePoorter Lake
Fox Sparrow (red form) (Stevens:Kosten) first 11/5
Harris's Sparrow (Stevens:Kosten) first 11/5


Chaffee County
++++Ice Lake
Pinyon Jay (40) (Somershoe:Shoup) last 11/9
++++Chaffee County
Lewis's Woodpecker (1) --313 Arkansas Street, Buena Vista (Somershoe)
first 11/9

Clear Creek County
++++Guanella Pass
American Three-toed Woodpecker --Campgrounds (Paul Ode) last 11/8

Dolores County
++++Dove Creek
Lewis's Woodpecker (Coen Dexter:Brenda Wright) first 11/6

Eagle/Pitkin Counties
++++Ruedi Reservoir
Barrow's Goldeneye (male) (Filby/Vic Zerbi) (first 10/31) 9; last 11/7

Fremont County
++++Brush Hollow Wildlife Area
White-winged Scoter (Jerry DeBoer) first 11/7
Long-tailed Duck (3) (Jerry DeBoer) first 11/7

Garfield County
++++Rifle Gap Reservoir
Common Loon (JoAnn Riggle) first 11/8
Bewick's Wren (2) (Riggle) first 11/8
++++Fravert Reservoir
Bewick's Wren (JoAnn Riggle) first 11/8
++++Douglas Pass
Rosy Finches (66, 3 species) (Brett Walker) first 11/7

La Plata County
++++Pastorius Reservoir
White-throated Sparrow (Jason St. Pierre) first 11/7
(near the footbridge over the water inlet)

Mesa County
++++Vega State Park
White-winged Scoter (6) (Denise & Mark Vollmar/Henwood:Cunningham) (first
11/8) 4; last 11/9
Common Loon (7) (Mike Henwood & all) first 11/1
++++Highline Lake State Park
Trumpeter Swan (2 adults, 6 imm) (Tom McConnell) first 11/9
Common Loon (2) --Mack Mesa Lake (Lee Stigen/Tom McConnell) (first 11/3)
3; last 11/9

Moffat County
++++WFMC Gravel Pit Ponds
Tundra Swan (2 adult) (Forrest Luke) (first 11/1) last 11/8
Common Loon (Luke) first 11/8
Barrow's Goldeneye (female) (Luke) first 11/8
(view from an informational kiosk turnoff almost directly across from the
Hwy 13 turnoff to Craig Station power plant)

Montezuma County
++++Narraguinnep Reservoir
Surf Scoter (Jason St. Pierre/James Beatty) (first 11/4) last 11/8
++++Denny Lake Park
White-throated Sparrow (Jim Beatty) first 11/8

Montrose County
++++Nucla Town Reservoir
White-throated Sparrow (Dexter:Wright) (first 10/14) again 11/9
++++East 5th Avenue, Nucla
Pinyon Jay (53) (Dexter:Wright) (first 9/15) 46; last 11/9
++++The Adobes
Chukar (9) (Janet Haw) first 11/7
++++East 5th Avenue, Nucla
Pinyon Jay (53) (Dexter:Wright) (first 9/15) 42; last 11/7
++++Black Canyon Crystal Dam
Barrow's Goldeneye (2) (Betty Fenton) (first 11/4) 4 female, last 11/6

Ouray County
++++Ridgway State Park
Common Loon (3) (Coen Dexter:Brenda Wright/Kent Nelson) (first 10/31) 7;
last 11/8
Lesser Black-backed Gull --Dallas Creek (Betty Fenton) first 11/8

Park County
++++Eleven Mile Reservoir
Surf Scoter (24) (Joey Kellner & all/Scott Somershoe:Dean Shoup) (first
10/29) 9; last 11/9
White-winged Scoter (4) (Joey Kellner & all/Somershoe:Shoup) (first
10/29) 3; last 11/9
Long-tailed Duck (Chris Owens & all/Someshoe:Shoup) (first 11/4) last 11/9
Bonaparte's Gull (18) (Somershoe:Shoup) first 11/9
Pacific Loon (Owens & all/James Mccall) (first 11/4) last 11/7
++++Spinney Mountain
Common Loon (2) (Joey Kellner & all/Somershoe:Shoup) (first 10/29) last
Gray-crowned Rosy Finch (20) (James Mccall) first 11/7
Brown-capped Rosy Finch (20) (James Mccall) first 11/7
++++Antero Reservoir
Possible Tundra Swan (3) (Somershoe:Shoup) first 11/9
Bonaparte's Gull (M.OB./Someshoe:Shoup) (first 10/29) last 11/9
Pacific Loon (Somershoe:Shoup) first 11/9

Routt County
++++Lake Catamount
Greater Scaup (JoAnn Riggle/Tresa Moulton) (first 10/22) 1; last 11/7
Barrow's Goldeneye (JoAnn Riggle/Moulton) (first 10/22) 8; last 11/7

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:
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