Date: 11/11/17 3:43 am
From: Amy Davenport <cobussec...> [cobirders] <cobirders-noreply...>
Subject: [cobirders] Colorado Rare Bird Alert for November 11, 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: 11/10/2017
Adams (Common Redpoll)
Arapahoe (Fox Sparrow, Eastern Screech-Owl, Surf Scoter, White-winged
Scoter, Greater Scaup, Common Loon, Bonaparte's Gull, Greater White-fronted
Arapahoe/Jefferson (Surf Scoter, Eastern Phoebe)
Boulder (Common Redpoll, Pacific Loon, Greater White-fronted Goose, Common
Boulder/Broomfield (Tundra Swan)
El Paso (Bonaparte's Gull)
Jefferson (Swamp Sparrow)
Larimer (Bonaparte's Gull, Iceland Gull, Lesser Black-backed Gull, Harris's
Sparrow, Eastern Screech-Owl)
Mesa (White-winged Scoter, Long-tailed Duck, Tundra Swan, Common Loon)
Montrose (Pinyon Jay)
Ouray (Lesser Black-backed Gull, Common Loon)
Park (Surf Scoter, White-winged Scoter, Long-tailed Duck, Bonaparte's Gull,
Iceland Gull, Lesser Black-backed Gull, Pacific Loon, Common Loon, Lapland
Longspur, Black Scoter, Swamp Sparrow)
Pueblo (Common Loon, Bonaparte's Gull, Lesser Black-backed Gull, Great
Black-backed Gull, Rusty Blackbird)
San Miguel (Surf Scoter, White-winged Scoter, Common Loon)
Weld (Parasitic Jaeger, Pacific Loon, Common Loon, Bonaparte's Gull)


Adams County
++++First Creek Trail
Common Redpoll (2) (Lorraine Lanning) reported 11/10
++++Barr Lake
Bonaparte's Gull (2) (Dave King) first 11/7
Common Loon (Dave King) first 11/7

Arapahoe County
++++Dekoevand Park
Fox Sparrow (red race) (Jared Del Rosso/Bez Bezuidenhout) (first 11/6)
last 11/10
(beneath some feeders along the High Line near the park's southwest edge)
Eastern Screech-Owl (Jared Del Rosso) last 11/10
++++Aurora Reservoir
Surf Scoter (Dave King:Jacob Washburn) first 11/10
White-winged Scoter (Washburn) first 11/10
Greater Scaup (2) (Stevens:Cryder/King:Washburn) (first 11/9) last 11/10
Common Loon (Washburn/King:Washburn) (first 10/15) last 11/10
Greater White-fronted Goose (Stevens:Cryder) last 11/9
Tundra Swan --east side of dam (Steve Rash) first 11/9
++++Cherry Creek Reservoir
Bonaparte's Gull (Terry Michaels/Bez Bezuidenhout) (first 10/19) last
Greater White-fronted Goose (Bob Righter) last 11/10

Arapahoe/Jefferson Counties
++++South Platte Park Reservoir & Area
Surf Scoter (2) --southwest corner, Jefferson Cty (Bart Deferme/Norm
Lewis) (first 10/25) 1; last 11/10
++++South Platte Park
Eastern Phoebe --north of C470 (Chuck Aid) first 11/10

Boulder County
++++CU South-Campus
Common Redpoll --see directions (Peter Gent) first 11/10
Harris's Sparrow (Sharon Norfleet) first 11/8
++++Valmont Reservoir Complex
Pacific Loon (Richard Trinkner) first 11/10
++++Dodd Reservoir
Greater White-fronted Goose (Luke Pheneger/Richard Trinkner) (first 11/4)
last 11/10
++++Terry Lake, Boulder
Common Loon (Fawn Simonds/Michael Britten) (first 11/4) last 11/10
++++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
++++Majestic View Park
Eastern Bluebird (9) (Mark Chavez/Dale Pate) (first 11/7) last 11/8

Boulder/Broomfield Counties County
++++Stearns Lake
Tundra Swan (3 adult, 4 imm) (Mark Minner-Lee/Chuck Hundertmark) (first
11/9) 1 juv; last 11/10
(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
++++Fountain Creek Regional Park
Bonaparte's Gull (Alan Versaw) first 11/10
++++Red Rock Canyon Open Space
Eastern Bluebird (Chris Brobin) first 11/9

Jefferson County
++++Harriman Lake Park
Swamp Sparrow (Kate Frost/Phil Lyon) (first 10/31) last 11/10
++++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
++++Horseshoe Lake
Bonaparte's Gull (4) (Nick Komar) (first 11/5) 20; last 11/10
Iceland Gull (4) (Nick Komar) first 11/10
Lesser Black-backed Gull (5) (Komar) last 11/10
++++Grandview Cemetery
Harris's Sparrow (Nooner:McCloy:Sparks/Jacy Bernath Plaisted) (first
11/9) last 11/10
Eastern Screech-Owl (John Shenot) last 11/5
++++Lee Martinez Park
Eastern Screech-Owl (Michael McCloy) last 11/10
Winter Wren (Nick Komar/Kevin Keirn) (first 11/8) last 11/9
(where Poudre River crosses Creek, just west of Discovery Museum)
++++Lake Loveland
Bonaparte's Gull (Joshua Smith/Komar) (first 10/24) 75; last 11/10
Lesser Black-backed Gull (7) (Komar) 5; last 11/10
++++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
++++Douglas Reservoir
Bonaparte's Gull (3) (John Shenot/Michael McCloy) (first 10/28) 1; last
Iceland Gull (Michael McCloy) first 11/9

Pueblo County
++++Pueblo Reservoir
Common Loon (up to 30) (Riley & Heather Morris) last 11/10
Bonaparte's Gull (Morris) last 11/10
Lesser Black-backed Gull (2) (Morris) last 11/10
Great Black-backed Gull --south marina (Brandon Percival/Morris) (first
11/7) last 11/10
Rusty Blackbird (2) --Arkansas River, below dam (Percival) first 11/10
Black Scoter (2 female type) (Percival) first 11/9

Weld County
++++Windsor Lake
Parasitic Jaeger (Gary Lefko/Josh Bruening) (first 11/5) last 11/10
Iceland Gull (Mlodinow) first 11/7
++++Union Reservoir
Pacific Loon (Mlodinow/Carl Bendorf) (first 11/9) last 11/10
Common Loon (Bill Prather/Britten) (first 10/28) last 11/10
Bonaparte's Gull (3) (Mlodinow:Pheneger/Michael Britten) (first 10/17)
20; last 11/10
++++Loloff Reservoir
Bonaparte's Gull (6) (Norm Lewis:Yvonne Parrott) first 11/9

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


Logan County
++++Sterling Reservoir and Area
Barn Owl (Stevens:Kosten) last 11/6
Snow Bunting (Stevens:Kosten) last 11/6

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
Greater White-fronted Goose (Nick Moore) first 11/9
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


Chaffee County
++++Ice Lake
Pinyon Jay (40) --Private property, permission required (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

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

Mesa County
++++James Robb Colorado River State Park
White-winged Scoter (Denise & Mark Vollmar) first 11/10
Black Phoebe (Katey Buster:Kathleen McGinley) last 11/4
Bonaparte's Gull (Denise & Mark Vollmar) first 10/30
++++Vega State Park
White-winged Scoter (6) (Denise & Mark Vollmar/JoAnn Potter Riggle & all)
(first 11/8) 2; last 11/10
Long-tailed Duck (JoAnn Potter Riggle & all) first 11/10
Common Loon (7) (Mike Henwood & all) first 11/1
++++Highline Lake State Park
Tundra Swan (2 adults, 6 imm) (Cary Atwood) reported 11/10
Trumpeter Swan (2 adults, 6 imm) (Tom McConnell) reported 11/9
Common Loon (2) --Mack Mesa Lake (Lee Stigen/Henwood) (first 11/3) 3;
last 11/10

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
++++East 5th Avenue, Nucla
Pinyon Jay (53) (Dexter:Wright) (first 9/15) 22; last 11/10
++++Nucla Town Reservoir
White-throated Sparrow (Dexter:Wright) (first 10/14) again 11/9
++++The Adobes
Chukar (9) (Janet Haw) first 11/7

Ouray County
++++Ridgway State Park
Lesser Black-backed Gull (Betty Fenton/Dexter:Wright) (first 11/8) last
Common Loon (3) (Coen Dexter:Brenda Wright/Rick Harner) (first 10/31) 6;
last 11/10

Park County
NOTE: Due to close proximity of the three reservoirs, same birds may move
++++Eleven Mile Reservoir
Surf Scoter (24) (Joey Kellner & all/Peterson:Walbek) (first 10/29) 11;
last 11/10
White-winged Scoter (4) (Joey Kellner & all/Peterson:Walbek) (first
10/29) 6; last 11/10
Long-tailed Duck (Chris Owens & all/Peterson:Walbek) (first 11/4) last
Bonaparte's Gull (18) (Somershoe:Shoup/Peterson:Walbek) (first 11/9) 5;
last 11/10
Iceland Gull (Peterson:Walbek) first 11/10
Lesser Black-backed Gull (Peterson:Walbek) first 11/10
Pacific Loon (Owens & all/Peterson:Walbek) (first 11/4) 2; last 11/10
Common Loon (Peterson:Walbek) 9; last 11/10
Lapland Longspur (3) (Peterson:Walbek) first 11/10
++++Spinney Mountain
Possible Glaucous-winged Gull (Peterson:Walbek) first 11/10
Common Loon (2) (Joey Kellner & all/Somershoe:Shoup) (first 10/29) last
++++Antero Reservoir
Possible Tundra Swan (3) (Somershoe:Shoup/Peterson:Walbek) (first 11/9)
4; last 11/10
Surf Scoter (Joey Kellner & all/Peterson:Walbek) (first 10/29) 3; last
Black Scoter (Peterson:Walbek) first 11/10
Bonaparte's Gull (M.OB./Someshoe:Shoup/Peterson:Walbek) (first 10/29) 5;
last 11/10
Pacific Loon (Somershoe:Shoup/Peterson:Walbek)) (first 11/9) 2; last 11/10
Common Loon (6) (Joey Kellner & all/Peterson:Walbek) (first 10/29) 2;
last 11/10
++++Lake George
Swamp Sparrow (David Elwonger:John Druder/Peterson:Walbek) (first 10/20)
last 11/10

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

San Miguel County
++++Miramonte Reservoir
Surf Scoter (3) (Dexter:Wright) first (first 10/22) last 11/10
White-winged Scoter (5) (Dexter:Wright) (first 10/23) 4; last 11/10
Common Loon (5) (Eric Hynes/Dexter:Wright) (first 10/22) last 11/10

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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