Date: 11/8/18 3:23 am
From: Amy Davenport <cobussec...> [cobirders] <cobirders-noreply...>
Subject: [cobirders] Colorado Rare Bird Alert for November 8, 2018
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: 11/7/2018
Arapahoe (Lesser Black-backed Gull)
Boulder (Winter Wren, Red-necked Grebe, Common Loon, Swamp Sparrow, Greater
White-fronted Goose, Pectoral Sandpiper)
Denver (Black Scoter, Bonaparte's Gull, Common Loon, Pacific Loon)
El Paso (Greater White-fronted Goose, Common Loon, Bonaparte's Gull)
El Paso/Pueblo (Swamp Sparrow)
Gunnison (Rosy Finches)
Jefferson (Bonaparte's Gull)
La Plata (Lewis's Woodpecker, Harris's Sparrow)
Larimer (Red-necked Grebe, Bonaparte's Gull, Iceland Gull, Lesser
Black-backed Gull, Common Loon, Winter Wren, Rusty Blackbird, Black Scoter,
White-throated Sparrow)
Mesa (Greater Scaup, Black Scoter)
Moffat (Tundra Swan, Bonaparte's Gull)
Montrose (Dusky Grouse, Barrow's Goldeneye, Pinyon Jay)
Park (Red-necked Grebe)


Adams County
++++Jim Baker Reservoir area
Pacific Loon (James McCall/Robert Raker) (first 11/2) last 11/5

Arapahoe County
++++Aurora Reservoir & area Map
Lesser Black-backed Gull (Matt Hofeditz/Dave King) (first 10/20) last 11/7
++++Cherry Creek Reservoir
Bonaparte's Gull (Bezuidenhout/Jeff Dawson) (first 10/15) 15; last 11/5

Boulder County
++++Betasso Preserve Map
Winter Wren (David Haskell) first 11/7
++++Boulder Reservoir area Map
Red-necked Grebe --northwest corner (Luke Pheneger/John Vanderpoel)
(first 10/28) last 11/7
Common Loon (Leslie S/BCC) (first 10/25) last 11/7
Pacific Loon (Jack & Ryan Bushong/Alexander Brown) (first 11/4) last 11/5
++++Sombrero Marsh Map
Swamp Sparrow (2) (Ted Floyd/Okamoto Keita Sin) (first 10/31) last 11/7
Chipping Sparrow (2) (Peter Burke) first 11/6
++++Dodd Reservoir Map
Greater White-fronted Goose (1) (Peter Gent) first 11/7
++++Walden Ponds Map
Pectoral Sandpiper (Chuck Aid) last 11/7
Swamp Sparrow (James McCall/Eva Matthews Lark) (first 11/5) last 11/6

Broomfield County
++++Plaster Reservoir
Swamp Sparrow (David Ely/David Suddjian) (first 10/13) again 11/5

Denver County
++++Marston Reservoir
Black Scoter (Elaine Wagner:Gwen Moore/Scott Somershoe) (first 11/2) 2;
last 11/7
Bonaparte's Gull (Scott Somershoe) first 11/7
Common Loon (Scott Somershoe) 5; last 11/7
Pacific Loon (Bill Kaempfer/Somershoe) (first 10/20) last 11/7
++++Berkeley Lake Park
Palm Warbler --near pumphouse (Julia Ackland) reported 11/6
++++Bluff Lake Nature Area
Harris's Sparrow (George Ho) (first 10/28) last 11/5

El Paso County
++++Memorial Park, Colorado Springs Map
Greater White-fronted Goose (2) (David Tonnessen) first 11/7
Common Loon (Tonnessen) first 11/7
Bonaparte's Gull (2) (Tonnessen) first 11/7
++++Meridian Reservoir
Greater White-fronted Goose (8) --view from publi road (Tonnessen) first
Bonaparte's Gull (Tonnessen) first 11/7

El Paso/Pueblo Counties
++++Chico Basin Ranch (fee area) Map
Swamp Sparrow (John Drummond) first 11/7

Jefferson County
++++Bear Creek Lake Park
Bonaparte's Gull (Frank Farrell) first 11/7
White-throated Sparrow --Big Soda Lakes North trail (Mary Burger) first
++++Main Reservoir Map
Bonaparte's Gull (Scott Dieri) first 11/7

Las Animas County
++++Trinidad State Park
Surf Scoter (Mlodinow) first 11/5

Larimer County
++++Cobb Lake, Wellington Wildlife Area Map
(See Directions for Access)
Red-necked Grebe (Andy Bankert) first 11/7
Bonaparte's Gull (Andy Bankert) first 11/7
Iceland Gull (Bankert) (first 10/24) last 11/7
Lesser Black-backed Gull (Andy Bankert) (first 10/24) 2; last 11/7
++++Horseshoe Lake Map
Lesser Black-backed Gull (6) (Nick Komar/Robert Beauchamp) (first 10/19)
16; last 11/7
++++Boyd Lake State Park Map
Common Loon (Nick Komar) (first 10/13) last 11/7
++++Prospect Ponds Natural Area Map
Winter Wren (2) --see directions (David Leatherman) first 11/7
Rusty Blackbird (John Shenot/Sue Riffe) (first 11/4) last 11/7
Swamp Sparrow (Josh Bruening) first 11/6
++++Strauss Cabin area/Rigden Reservoir Map
Black Scoter (3) (Andy Bankert:Nick Komar) first 11/7
++++Topminnow Natural Area Map
Bonaparte's Gull --east horsetooth gravel pit (Nomar:Bankert) first 11/7
++++Fort Collins Map
White-throated Sparrow (1) --Maple & Fishback (David Wade) (first 10/20)
last 11/7
++++Timnath Reservoir
Bonaparte's Gull (1) (Andy Bankert/Nick Komar) (first 11/5) last 11/6
Iceland Gull (Bankert) first 11/5
Lesser Black-backed Gull (Bankert) first 11/5
++++Fort Collins
White-throated Sparrow (1) --le & Fishback (David Wade) (first 10/20)
last 11/6
++++Southwest of Wellington
Northern Cardinal (female) --to visit: <falconridge...> (Steve
Martin) last 11/5

Weld County
++++Union Reservoir & area
Bonaparte's Gull (Mlodinow) (first 10/11) 11; last 11/5


Baca County
++++Two Buttes Reservoir & area
Winter Wren (2) --below dam (Leukering) first 11/4
Rufous-crowned Sparrow (Leukering) reported 11/4
++++Springfield Water Treatment Plant
Eastern Bluebird (Leukering) first 11/4

Bent County
++++John Martin Reservoir
Lesser Black-backed Gull (Nelson/Tonnessen) (first 11/2) last 11/4
Pacific Loon (Tonnessen) first 11/4
Common Loon (Tonnessen) first 11/4
Eastern Bluebird (2) --below dam (Tonnessen) first 11/4
Curve-billed Thrasher (2) --Lake Hasty Campgrounds (Tonnessen) first 11/4
White-throated Sparrow (2) --Lake Hasty Campgrounds (Tonnessen) first 11/4
Glaucous Gull (Duane Nelson) first 11/2
++++Fort Lyons Wildlife Easement Area & Wildlife Area
Harris's Sparrow --Gageby Creek/CR JJ (David Tonnessen) first 11/4
White-throated Sparrow (Tonnessen) first 11/4
Swamp Sparrow (Tonnessen) first 11/4

Crowley County
++++Lake Henry
Bonaparte's Gull (12) (David Tonnessen) first 11/4
Common Loon (David Tonnessen) first 11/4

Prowers County
++++Lamar Community College
Eastern Bluebird (Leukering) first 11/4


Clear Creek County
++++Guanella Pass Road
NOTE: closed for season, over 2.0 mile snowshoe trip to top)
White-tailed Ptarmigan (29) --below Rosalie trail (Stevens:Michaels) last
++++Mt. Evans Road
NOTE: Road is closed for season at Echo Lake)

Clear Creek/Summit Counties
++++Loveland Pass
White-tailed Ptarmigan (9) (Stevens:Michaels, Washburn, King) first 10/29
(1-2 miles up western trail, Clear Creek Cty)

Fremont County
++++Tunnel Drive area
Rufous-crowned Sparrow (Christian Hagenlocher) last 11/6
++++Florence River Park
Black Phoebe (Joel & Dale Adams) last 11/4
Swamp Sparrow (Joel & Dale Adams) first 11/4

Gunnison County
++++Crested Butte Map
Rosy Finches (23, no Black) (Stevens:Michaels) first 11/7

Jackson County
++++Walden Reservoir
Tundra Swan (Doug Kibbe) first 11/5
Greater Scaup (Jacob Washburn:Jamie Thompson/Doug Kibbe) (first 11/3) 2;
last 11/5
Barrow's Goldeneye (2) (Doug Kibbe) first 11/5
Lapland Longspur --south/CR 12W (Washburn:Thompson) first 11/4
++++Colorado State Forest
Boreal Owl
(2)--from Hwy 14, west of Cameron Pass (Jacob Washburn:Jamie Thompson)
last 11/2
(2)--Joe Wright Reservoir, upper parking lot (Larimer Cty)
(Washburn:Thompson) last 11/2

La Plata County
++++Huck Finn Pond area & Animas River Trail Map
Lewis's Woodpecker --Huck Finn Pond area (James Beatty) last 11/7
++++Durango Fish Hatchery Map
Harris's Sparrow (Ryan Votta) (first 11/4) last 11/7
++++Wildcat Canyon (Rafter J)
Acorn Woodpecker (2) (Richard Stevens:Terry Michaels) last 11/5

Mesa County
++++James Robb Colorado River State Park, Fruita Section
Greater Scaup (2) --Fruita section (Henwood:McGinley/Glenn Pearson)
(first 10/18) 1; last 11/7
Black Scoter (Claar:Vollmar:Cunningham:Woodward/Pearson) (first 10/31)
last 11/7
++++Clifton Nature Park
Harris's Sparrow (Ryan Claar) first 11/6
++++Highline Lake State Park
Bonaparte's Gull (Douglas Diekman) (first 10/19) last 11/6

Moffat County
++++WFMC Gravel Pit Ponds Map
Tundra Swan (4) (Forrest Luke/Tom & Kay McConnell) (first 11/2) last 11/7
++++Rio Blanco Reservoir Map
Bonaparte's Gull (2) (Tom & Kay McConnell) first 11/7

Montezuma County
++++Industrial Park Pond
Eurasian Wigeon --see directions (Erik Hendrickson/Richard Stevens:Terry
Michaels) (first 10/16) last 11/5

Montrose County
++++Black Canyon of Gunnison National Park Map
Dusky Grouse (Stevens:Michaels) last 11/7
Barrow's Goldeneye (3) --Crystal dam, east of Park (Betty
Fenton/Stevens:Michaels) (first 11/6) last 11/7
++++Nucla Map
Pinyon Jay (28) --East 5th Avenue (Dexter:Wright) last 11/7

Park County
++++Eleven Mile State Park Map
Red-necked Grebe (Jerry DeBoer) reported 11/7
++++Spinney Mountain Reservoir
Barrow's Goldeneye (Glenn Walbek:Mark Peterson) first 11/4
Black-legged Kittiwake (Joey Kellner:Dean Shoup:Felice
Lyons/Walbek:Peterson) (first 11/3) last 11/4
Iceland Gull (Mlodinow/Walbek:Peterson) (first 10/7) last 11/4
Lesser Black-backed Gull (Walbek:Peterson) last 11/4

San Juan County
Rosy Finches (20, no Black) (Stevens:Michaels) first 11/6

San Miguel County
White-throated Sparrow (Steele) (first 11/1) last 11/5
Pinyon Jay (40) (George Steele) last 11/1

Good Birding!

Directions to birding spots and s on CoBus website:

Amy Davenport, Secretary, Colorado Birding Society Denver, CO
Contact CoBus/Report Interesting Birds: 303-324-7994
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