Date: 11/12/17 3:29 am
From: Amy Davenport <cobussec...> [cobirders] <cobirders-noreply...>
Subject: [cobirders] Colorado Rare Bird Alert for November 12, 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:
http://groups.yahoo.com/group/cobirders/messages

Report Uncommon Birds at: 303-324-7994 or http://coloradobirdingsociety.net

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: 11/11/2017
Arapahoe (Red-necked Grebe, Bonaparte's Gull, Swamp Sparrow)
Boulder (Swamp Sparrow, Common Loon, Bonaparte's Gull, Pacific Loon)
Boulder/Broomfield (Tundra Swan)
Broomfield (Greater Scaup, Swamp Sparrow)
Douglas (Brant, Greater Scaup, Barrow's Goldeneye)
Jackson (Boreal Owl, Greater Sage-Grouse, Surf Scoter)
Jefferson (Swamp Sparrow, Eastern Bluebird, Greater White-fronted Goose,
Bonaparte's Gull, Harris's Sparrow)
Larimer (Red-necked Grebe, Swamp Sparrow, Tundra Swan, Common Loon)
Mesa (Chestnut-sided Warbler, White-winged Scoter, Black Phoebe, Tundra
Swan, Common Loon)
Montezuma (Tundra Swan, White-winged Scoter, Common Loon, Barrow's
GOldeneye)
Montrose (Pinyon Jay, White-throated Sparrow)
Ouray (Lesser Black-backed Gull)
Park (Red-necked Grebe, Greater Scaup, Surf Scoter, White-winged Scoter,
Black Scoter, Long-tailed Duck, Barrow's Goldeneye, Pacific Loon, Common
Loon, Brown-capped Rosy Finch)
Pueblo (Carolina Wren, Great Black-backed Gull, Lesser Black-backed Gull)
San Miguel (Surf Scoter, White-winged Scoter)
Weld (Bonaparte's Gull, Lesser Black-backed Gull, Pacific Loon)

FRONT RANGE AND NORTHEASTERN COLORADO

Adams County
++++First Creek Trail
Common Redpoll (2) (Lorraine Lanning) reported 11/10

Arapahoe County
++++Cherry Creek Reservoir
Red-necked Grebe (Stevens/Glenn Walbek) (first 11/3) last 11/11
Bonaparte's Gull (Terry Michaels/Jason Bidgood) (first 10/19) 25; last
11/11
Greater White-fronted Goose (Bob Righter) last 11/10
Rusty Blackbird (2) (Diane Roberts) reported 11/9
++++Ketring Park and Lake
Swamp Sparrow (Jared Del Rosso) first 11/11
++++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

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
++++Golden Ponds
Swamp Sparrow (Luke Pheneger) first 11/11
++++Terry Lake, Boulder
Common Loon (Fawn Simonds/Christian Nunes) (first 11/4) last 11/11
Bonaparte's Gull (33) (David Dowell/Michael Britten) (first 11/2) 21;
last 11/6
++++Boulder Reservoir complex
Bonaparte's Gull (2) (Peter Gent) first 11/11
Pacific Loon (Dowell/Peter Gent) (first 11/8) last 11/11
Greater White-fronted Goose (3) (David Dowell/Luke Pheneger) (first 11/8)
last 11/9
Common Loon (David Dowell/Pheneger) (first 10/25) 3; last 11/9
++++CU South-Campus
Common Redpoll --see directions (Peter Gent) first 11/10
++++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
++++Baseline Reservoir
Bonaparte's Gull (16) (Christian Nunes) first 11/9

Boulder/Broomfield Counties County
++++Stearns Lake
Tundra Swan (3 adult, 4 imm) (Mark Minner-Lee/David Ely) (first 11/9) 1
juv; last 11/11
(Currently in Boulder County; may swim to Broomfield County)

Broomfield County
++++Siena Pond
Greater Scaup (4) (David Ely) first 11/11
++++Plaster Reservoir
Swamp Sparrow (David Ely/Matt Hofeditz) (first 11/3) last 11/11
++++Brunner Reservoir, Highland Park
Swamp Sparrow (2) (Matt Hofeditz) first 11/11

Douglas County
++++Bar CCC Park
Brant (Cheri Phillips) first 11/11
++++Walker Gravel Pit
Greater Scaup (2) (Cheri Phillips) first 11/11
Barrow's Goldeneye (Cynthia Kristensen) reported 11/11
++++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

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/Michael McCloy) (first 10/31) last 11/11
++++Mt. Falcon Park
Eastern Bluebird (6) (Jan Gorski) first 11/11
++++Clement Park
Greater White-fronted Goose (Soctt Somershoe) first 11/11
++++Bear Creek Lake Park
Bonaparte's Gull (4) (Steven Snyder) first 11/11
Harris's Sparrow (Robert Raker) first 11/11
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
11/8

Larimer County
++++Cattail Pond Area, Loveland
Red-necked Grebe (Komar:Wehtje) first 11/11
++++Running Deer Natural Area
Swamp Sparrow --see directions (Joe Mammoser) first 11/11
++++Dry Creek Reservoir
Tundra Swan (Nick Komar:Walter Wehtje) first 11/11
++++Carter Lake
Common Loon (Walter Wehtje) first 11/11
++++Douglas Reservoir
Common Loon (Nick Komar) first 11/11
Bonaparte's Gull (3) (John Shenot/Michael McCloy) (first 10/28) 1; last
11/9
Iceland Gull (Michael McCloy) first 11/9
++++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

Pueblo County
++++Valco Ponds
Carolina Wren (Bezuidenhout) first 11/11
++++Pueblo Reservoir
Great Black-backed Gull --swim beach (Brandon Percival/Bezuidenhout)
(first 11/7) last 11/11
Lesser Black-backed Gull (Bezuidenhout) last 11/11
Common Loon (up to 30) (Riley & Heather Morris) last 11/10
Bonaparte's Gull (Morris) 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
Bonaparte's Gull (Gene Rutherford) first 11/11
Lesser Black-backed Gull (Rutherford) first 11/11
Parasitic Jaeger (Gary Lefko/Josh Bruening) (first 11/5) last 11/10
Iceland Gull (Mlodinow) first 11/7
++++Union Reservoir
Pacific Loon (Mlodinow) (first 11/9) last 11/11
Bonaparte's Gull (3) (Mlodinow:Pheneger/Gene Rutherford) (first 10/17)
17; last 11/11
Common Loon (Bill Prather/Britten) (first 10/28) last 11/10
++++Windsor Reservoir
Lesser Black-backed Gull (Gene Rutherford) first 11/11
++++Loloff Reservoir
Bonaparte's Gull (6) (Norm Lewis:Yvonne Parrott) first 11/9

Weld County
++++County
Sharp-tailed Grouse(Re-introduced Birds, Plains subspecies)
(8) --CR 136, west/CR 111 (Gene Rutherford) first 11/11

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)

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

NORTHEASTERN COLORADO

Jackson County
++++County Road 26b
Greater Sage-Grouse (up to 117) --CR 26b (Stevens:Michaels) (first 12/17)
2; last 11/11
++++Walden Reservoir and area
Surf Scoter (Tom Litteral) first 11/11

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

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

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

WESTERN COLORADO

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

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

Mesa County
++++James Robb Colorado River State Park
Chestnut-sided Warbler (2) --see directions (Mike Henwood) first 11/11
White-winged Scoter (Denise & Mark Vollmar/Henwood) first 11/11
Black Phoebe (Mike Henwood) last 11/11
Bonaparte's Gull (Denise & Mark Vollmar) first 10/30
++++Highline Lake State Park
Tundra Swan (2 adults, 6 imm) (Cary Atwood/Mike Henwood) (first 11/10)
last 11/11
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 11/11
++++Vega State Park
White-winged Scoter (6) (Denise & Mark Vollmar/Ronda Woodward:Deb
Stegall) (first 11/8) 3; last 11/11
Long-tailed Duck (JoAnn Potter Riggle & all) first 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
Tundra Swan (Erik Hendrickson) first 11/11
White-winged Scoter (Hendrickson) first 11/11
Common Loon (Hendrickson) first 11/11
++++McPhee Reservoir
Barrow's Goldeneye (4) (Erik Hendrickson) first 11/11

Montrose County
++++East 5th Avenue, Nucla
Pinyon Jay (53) (Dexter:Wright) (first 9/15) 45; last 11/11
++++Nucla Town Reservoir
White-throated Sparrow (Dexter:Wright) (first 10/14) again 11/11

Ouray County
++++Ridgway State Park
Lesser Black-backed Gull (1st winter) (Betty Fenton) (first 11/8) last
11/11
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
around)
++++Eleven Mile Reservoir
Red-necked Grebe (Michael McCloy) first 11/11
Greater Scaup (2) (Michael McCloy) first 11/11
Surf Scoter (24) (Joey Kellner & all/McCloy) (first 10/29) 20; last 11/11
White-winged Scoter (4) (Joey Kellner & all/McCloy) (first 10/29) 4; last
11/11
Black Scoter (Stevens:Michaels/McCloy) (first 10/31) last 11/11
Long-tailed Duck (Chris Owens & all/McCloy) (first 11/4) last 11/11
Barrow's Goldeneye (McCloy) first 11/11
Pacific Loon (Owens & all/McCloy) (first 11/4) 3; last 11/11
Common Loon (McCloy) last 11/11
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
Lapland Longspur (3) (Peterson:Walbek) first 11/10
++++Spinney Mountain Reservoir
Tundra Swan (Stevens:Michaels/McCloy) (first 11/1) last 11/11
Surf Scoter (4) (Joey Kellner & all/Michael McCloy) (first 10/29) last
11/11
Black Scoter (McCloy) first 11/11
Possible Glaucous-winged Gull (Peterson:Walbek) first 11/10
(the Colorado Bird Records Committee because of many hybrids, does not
recognize pure Glaucous-winged Gulls in Colorado)
Common Loon (2) (Joey Kellner & all/Somershoe:Shoup) (first 10/29) last
11/9
++++Antero Reservoir
Brown-capped Rosy Finch (120) (John Drummond) first 11/11
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
11/10
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

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

Good Birding!

Directions to birding spots and maps on CoBus website:
http://coloradobirdingsociety.net

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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