Date: 9/27/18 4:26 am
From: Amy Davenport <cobussec...> [cobirders] <cobirders-noreply...>
Subject: [cobirders] Colorado Rare Bird Alert for September 27, 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: 9/26/2018
Adams (Semipalmated Plover, Pectoral Sandpiper)
Alamosa (Lesser Black-backed Gull)
Bent (Common Tern)
Boulder (Pectoral Sandpiper)
Costilla (Sabine's Gull)
El Paso/Pueblo (Broad-winged Hawk, Red Phalarope, Least Flycatcher,
Philadelphia Vireo, Cassin's Vireo, Curve-billed Thrasher, Sage Thrasher,
Northern Mockingbird, Chestnut-collared Longspur, Eastern Phoebe, Sedge
Jefferson (Broad-winged Hawk)
La Plata (Black Phoebe)
Larimer (Townsend's Warbler, White-throated Sparrow)
Las Animas (Cassin's Kingbird, Sage Thrasher, Dickcissel, Williamson's
Logan (Eastern Screech-Owl, Red-bellied Woodpecker, Red-headed Woodpecker,
Yellow-billed Cuckoo, Field Sparrow, Blue-headed Vireo, Nashville Warbler)
Logan/Washington (Common Tern)
Montrose (Black Phoebe, Sagebrush Sparrow, Sage Thrasher, Pinyon Jay)
Morgan (Northern Mockingbird)
Pitkin (Pinyon Jay)
Yuma (Broad-winged Hawk, Burrowing Owl, Cassin's Vireo, Red-bellied
Woodpecker, Red-headed Woodpecker, Eastern Bluebird, Palm Warbler, Eastern


Adams County
++++Barr Lake
Semipalmated Plover (1) (Adam Vesely) first 9/26
Pectoral Sandpiper --off banding station (Dave King) last 9/26

Arapahoe County
++++Aurora Reservoir & area
Sabine's Gull --southeast corner (Stevens:Kosten) first 9/24
Probable Bonaparte's Gull (Stevens:Kosten) first 9/24

Boulder County
++++Walden Ponds
Pectoral Sandpiper (Pheneger:Zmolek/Barbara Brown) (first 9/24) 2; last
++++Pleasant View Marsh
Red-eyed Vireo (Bill Kaempfer) first 9/24

Douglas County
++++Castlewood Canyon Road
Broad-winged Hawk (Karen Metz) reported 9/25
++++Noodle Head Trail Area, Pike National Forest
Sage Thrasher (2) (Greg Schrab) first 9/23
Townsend's Warbler (Greg Schrab) first 9/23
(Above: west of Hwy 67, south/old logging road/ btw Noodle Head Trail &
Sugar Creek)

El Paso County
++++Starsmore Discovery Center
White-throated Sparrow (Aaron Rogers) first 9/25

El Paso/Pueblo Counties County
++++Chico Basin Ranch (fee area)
Broad-winged Hawk (Joel & Dale Adams) first 9/26
Red Phalarope --tank pond (Percival:Maynard) first 9/26
Least Flycatcher (John Drummond) last 9/26
Philadelphia Vireo --Bell Grove (Brandon Percival:Bill Maynard) last 9/26
Cassin's Vireo (Kim Geissler) (first 9/8) last 9/26
Curve-billed Thrasher (Joel Adams) last 9/26
Sage Thrasher (Drummond) last 9/26
Northern Mockingbird (Drummond) last 9/26
Chestnut-collared Longspur (Drummond) first 9/26
(above: banding station unless stated elsewhere, El Paso County)
Eastern Phoebe (John Drummond) first 9/26
Sedge Wren (John Drummond/Joel & Dale Adams) (first 9/24) last 9/26
(above: Headquarters, Pueblo County)

Huerfano County
++++Orlando Reservoir #2
Sage Thrasher (2) (Walker) first 9/25
White-throated Sparrow (Christian Walker) first 9/25

Jefferson County
++++O'Fallon Park
Broad-winged Hawk (Bruce Cyganowski) first 9/26
++++Wellington Lake
Northern Pygmy-Owl (Lindsay Purifoy) first 9/24
American Three-toed Woodpecker (Lindsay Purifoy) first 9/24
Flammulated Owl (Purifoy) last 9/23

Larimer County
++++Grandview Cemetery
Townsend's Warbler (David Wade/John Shenot) (first 9/16) last 9/26
White-throated Sparrow (1st winter) (Leatherman) first 9/25
++++Greyrock Commons Trail
White-throated Sparrow (Doug Swartz) first 9/26
++++Horseshoe Lake
Mexican Duck --pond north of lake (Nick Komar/Joshua Smith) (first 9/22)
last 9/25
Mew Gull --pond north of lake (Nick Komar) (first 9/19) last 9/22
++++Rocky Mountain National Park
American Three-toed Woodpecker (2) --Hidden Valley Creek (Nathan Senner)
last 9/24

Las Animas County
++++Trinidad State Park
Cassin's Kingbird (4) (Christian Walker) first 9/26
Sage Thrasher (Walker) first 9/26
Dickcissel (Walker) first 9/26
Williamson's Sapsucker --Trinidad Lake CG (Thomas Brown) first 9/26

Pueblo County
++++Runyon Lake
Black Phoebe (Mark Yaeger) first 9/24
Eastern Phoebe (Mark Yaeger) first 9/24
++++Pueblo Reservoir
Ladder-backed Woodpecker --sailboard launch area (M.OB.) first 9/24
Curve-billed Thrasher --south marina area (M.OB.) last 9/24


Bent County
++++John Martin Reservoir
Common Tern (6) --Clayton's Point (Jane Stulp) first 9/26
Buff-breasted Sandpiper (2) --Clayton Point (Duane Nelson) first 9/25
(East of CR 20, turn south off CR JJ, go south then east to gravel island)

Cheyenne County
++++Big Sandy Creek at CR 20
Cassin's Kingbird (2) (David Suddjian) first 9/25
++++County Road 48 at CR DD
Cassin's Kingbird (Suddjian) first 9/25

Prowers County
++++Lamar Community College
Chestnut-sided Warbler (Jill Smith) first 9/24
Ruby-throated Hummingbird 2 male, 1 female; (Dorothy Russell) (first
9/16) 1; last 9/24


Logan County
++++Tamarack Ranch Wildlife Area
Eastern Screech-Owl (2 locations, east & west) (Stevens) last 9/26
Red-bellied Woodpecker (5) (Stevens) last 9/26
Red-headed Woodpecker (2) (Stevens) last 9/26
Yellow-billed Cuckoo (Stevens) last 9/26
(ties for fifth latest date, three October sightings)
Field Sparrow (Stevens) last 9/26
Blue-headed Vireo (Stevens) last 9/26
Nashville Warbler (Stevens) last 9/26
++++North Sterling Reservoir and Area
Sabine's Gull (David Dowell/Stevens) (first 9/22) last 9/25

Logan/Washington Counties
++++Prewitt Reservoir area
Common Tern (2) (Norm Lewis) first 9/26

Morgan County
++++Jackson Reservoir & area
Northern Mockingbird (Norm Lewis) last 9/26
Long-eared Owl (Stevens) last 9/25
Townsend's Warbler --west Campgrounds (Stevens) first 9/25

Yuma County
++++Bonny Reservoir Area
Broad-winged Hawk (Suddjian & all) first 9/26
Burrowing Owl (2) --Pipit Hill (David Dowell/Suddjian) (first 9/23) last
Cassin's Vireo --wagon wheel (Suddjian) first 9/26
(Bonny Reservoir Wildlife Area)
Red-bellied Woodpecker (3) (Suddjian) last 9/26
Eastern Bluebird (Suddjian) 29; last 9/26
Red-headed Woodpecker (Suddjian) 6; last 9/6
Palm Warbler (Suddjian) first 9/26
Eastern Phoebe (David Suddjian) first 9/26
Red-headed Woodpecker (Suddjian) last 9/26
Red-bellied Woodpecker (1) (Suddjian) last 9/26
(Hale Ponds)


Alamosa County
++++San Luis Lakes State Park
Lesser Black-backed Gull (adult) (John Rawinski) first 9/26

Archuleta County
Pagosa Springs & area
Lewis's Woodpecker (4) --Forest Road 012, Blue Creek Road (Anthony Orona)
last 9/24

Chaffee County
++++Chaffee County
Pinyon Jay (1) --Buena Vista Nature Trail (Kevin DeBoer) last 9/25

Clear Creek County
++++Mt. Evans Road
Barrow's Goldeneye (up to 11) --Echo Lake (Nathan Senner/Christian
Walker) (first 5/2) 3; last 9/25
++++Guanella Pass
White-tailed Ptarmigan --Bierstadt trail (Frank Farrell) 6; last 9/23

Costilla County
++++Smith Reservoir
Sabine's Gull (juv) (John Rawinski) first 9/26

Fremont County
++++Arkansas Riverwalk
Black Phoebe --Sells Pond to Raynolds Avenue (Jerry DeBoer) last 9/25
Eastern Phoebe --Sells Pond to Raynolds Avenue (Catherine Olin) last 9/24
++++Brush Hollow Wildlife Area
Pinyon Jay (2) (Alan & MaryLynne Ketcham) first 9/25
Curve-billed Thrasher (Ketcham) last 9/25
Sage Thrasher (Ketcham) last 9/25

Hinsdale County
++++Brown Lakes Wildlife Area
Gray Flycatcher (Kathy Mihm-Dunning) first 9/24

La Plata County
++++Huck Finn Pond area & Animas River Trail
Black Phoebe --Pond & Hatchery (Kristi Dranginis) last 9/26
++++Pastorius Reservoir
Cassin's Vireo (James Beatty) first 9/25

Mesa County
++++Connected Lakes State Park Area
Gray Vireo (Adam Cupito) first 9/24
++++Horsethief Canyon Wildlife Area
Green Heron (Mike Henwood) first 9/24
Gray Flycatcher (Henwood) last 9/24
Cassin's Vireo (Douglas Diekman/Henwood) (first 9/18) last 9/24
Sage Thrasher (David Price) first 9/24

Montrose County
++++Baldridge & Ute Parks
Black Phoebe (Janet Haw) first 9/26
++++Airport Lake Area
Black Phoebe --Rose Garden (Horn:Harris/Dexter:Wright) (first 7/13) last
Sage Thrasher (Dexter:Wright) last 9/26
Sagebrush Sparrow (6) --Rose Garden (Dexter:Wright) (first 9/25) last 9/26
++++Bostwick Park Road
Pinyon Jay (21) (Betty Fenton) first 9/26

Park County
++++Antero Reservoir
Red-necked Phalarope (Steve Mlodinow) first 9/25
Sabine's Gull (2) (Mlodinow) first 9/25
++++Eleven Mile State Park
Sabine's Gull (David Tonnessen/Mlodinow) (first 9/17) last 9/25
Common Tern (13) (Mlodinow) first 9/25
++++Spinney Mountain
Semipalmated Plover (6) (Mlodinow) first 9/25
Common Tern (Mlodinow) first 9/25
Chestnut-collared Longspur (Mlodinow) first 9/25
Yellow-throated Warbler --see map (Mlodinow) reported 9/25

Pitkin County
++++County Road 111
Pinyon Jay (11) (Donald Pendleton) first 9/26

San Miguel County
Nashville Warbler (Steele) (first 9/24) last 9/25

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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