Date: 9/28/18 5:30 am
From: Amy Davenport <cobussec...> [cobirders] <cobirders-noreply...>
Subject: [cobirders] Colorado Rare Bird Alert for September 28, 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: 9/27/2018
Adams (White-throated Sparrow)
Alamosa (Black-bellied Plover, Semipalmated Plover)
Arapahoe (Rusty Blackbird)
Archuleta (Sage Thrasher, Sagebrush Sparrow)
Boulder (Red-eyed Vireo, PROTHONOTARY WARBLER, Townsend's Warbler, Pectoral
Costilla (Sabine's Gull)
El Paso (Cassin's Vireo, Northern Mockingbird, Lark Bunting, Burrowing Owl)
El Paso/Pueblo (RED PHALAROPE, Sage Thrasher, Cassin's Vireo, Curve-billed
Thrasher, Northern Mockingbird, Chestnut-collared Longspur)
Fremont (Eastern Phoebe)
Hinsdale (Sage Thrasher)
Jackson (Burrowing Owl)
Jefferson (Semipalmated Plover, Common Tern, Blackpoll Warbler)
La Plata (Pectoral Sandpiper)
Larimer (Pectoral Sandpiper)
Las Animas (Williamson's Sapsucker, Sage Thrasher, Chestnut-collared
Logan (Red-bellied Woodpecker, Blue-headed Vireo)
Mesa (Black Phoebe)
Montezuma (Sage Thrasher)
Prowers (Tundra Swan)
Sedgwick (Short-eared Owl, Eastern Screech-Owl, Tennessee Warbler,
Red-bellied Woodpecker, Eastern Bluebird)


Adams County
++++Barr Lake
White-throated Sparrow (McBurney) first 9/27
Semipalmated Plover (1) (Adam Vesely) first 9/26
Pectoral Sandpiper --off banding station (Dave King) last 9/26

Arapahoe County
++++Centennial Park
Rusty Blackbird (5) (Edward Donnan) first 9/27

Boulder County
++++Pleasant View Marsh
Red-eyed Vireo (Bill Kaempfer/Christian Nunes:Peter Burke) (first 9/24)
last 9/27
Prothonotary Warbler (Ernest Crvich/Peter Burke) (first 9/22) last 9/27
Townsend's Warbler (Christian Nunes/Ernest Crvich) (first 9/23) last 9/27
++++Walden Ponds
Pectoral Sandpiper (Pheneger:Zmolek/Peter Burke) (first 9/24) last 9/27

Douglas County
++++Castlewood Canyon Road
Broad-winged Hawk (Karen Metz) reported 9/25

El Paso County
++++Sinton Pond Open Space
Cassin's Vireo (Terence Berger) first 9/27
++++Paint Mines Interpretive Park
Northern Mockingbird (2) (John Bruder) first 9/27
Lark Bunting (5) (John Bruder) first 9/27
++++Hanover Road and area
Burrowing Owl (4) (Debbie Segal/Richard Bunn) (first 7/23) 1; last 9/27
++++Starsmore Discovery Center
White-throated Sparrow (Aaron Rogers) first 9/25

El Paso/Pueblo Counties County
++++Chico Basin Ranch (fee area)
Red Phalarope --tank pond (Percival:Maynard/Richard Bunn) (first 9/26)
last 9/27
Sage Thrasher --Bell Grove (Bunn) 7; last 9/27
Cassin's Vireo --Bell Grove (Kim Geissler/Bunn) (first 9/8) last 9/27
Curve-billed Thrasher --Bell Grove (Bunn) last 9/27
Northern Mockingbird (Jim Merritt) last 9/27
Chestnut-collared Longspur (Drummond/Bunn) (first 9/26) 9; last 9/27
(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
++++Standley Lake
Semipalmated Plover (David Chernack) first 9/27
Common Tern (David Chenack) (first 9/20) 2; last 9/27
++++Wheat Ridge Greenbelt (Prospect Park)
Blackpoll Warbler (Kevin DeBoer) first 9/27
++++O'Fallon Park
Broad-winged Hawk (Bruce Cyganowski) first 9/26

Larimer County
++++Timnath Reservoir
Pectoral Sandpiper (Joe Mammoser) 4; last 9/27
++++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

Las Animas County
++++Trinidad State Park
Williamson's Sapsucker --Campgrounds (Thomas Brown) (first 9/26) last 9/27
Sage Thrasher --Watchable Wildlife Trail (Walker/Thomas Brown) (first
9/26) last 9/27
Chestnut-collared Longspur (2) --Wildlife trail (Thomas Brown) first 9/27
Cassin's Kingbird (4) (Christian Walker) first 9/26
Dickcissel (Walker) first 9/26

Pueblo County
++++Runyon Lake
Black Phoebe (Mark Yaeger) first 9/24
Eastern Phoebe (Mark Yaeger) first 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
++++North Gateway Park
Tundra Swan --Arkansas River/Hwy 50 (Jane Stulp) last 9/27


Logan County
++++Duck Creek Wildlife Area
Red-bellied Woodpecker (Stevens) last 9/27
Blue-headed Vireo (Stevens) first 9/27
++++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

Sedgwick County
++++Sedgwick Draw
Short-eared Owl (Richard Stevens) first 9/27
Eastern Screech-Owl (Stevens) first 9/27
Tennessee Warbler (Stevens) first 9/27
++++Sedgwick Cemetery
Red-bellied Woodpecker (Stevens) first 9/27
++++Sedgwick Bar Wildlife Area
Red-bellied Woodpecker (Stevens:Michaels/Stevens) (first 9/20) last 9/27
Eastern Bluebird (2) (Stevens) last 9/27

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
Black-bellied Plover (5) (Stump:Rawinski) first 9/27
Semipalmated Plover (Stump:Rawinski) first 9/27

Archuleta County
++++Navajo Reservoir
Sage Thrasher (3) (James Beatty) first 9/27
Sagebrush Sparrow (James Beatty) first 9/27

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) (Rawinski/John Stump:John Stump) (first 9/26) last

Fremont County
++++Arkansas Riverwalk
Eastern Phoebe --Sells Pond to Raynolds Avenue (Catherine Olin) last 9/27
Black Phoebe --Sells Pond to Raynolds Avenue (Jerry DeBoer) last 9/25
++++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
++++Lake San Cristobal
Sage Thrasher (Gary Koehn) first 9/27
++++Brown Lakes Wildlife Area
Gray Flycatcher (Kathy Mihm-Dunning) first 9/24

Jackson County
++++Arapaho National Wildlife Refuge & Area
Burrowing Owl (2) (Nick Komar) first 9/27

La Plata County
++++Pastorius Reservoir
Pectoral Sandpiper (Susan Allerton) first 9/27
Cassin's Vireo (James Beatty) first 9/25
++++Huck Finn Pond area & Animas River Trail
Black Phoebe --Pond & Hatchery (Kristi Dranginis) last 9/26

Mesa County
++++Horsethief Canyon Wildlife Area
Black Phoebe (Mike Henwood) last 9/27

Montezuma County
++++Denny Lake
Sage Thrasher (Erik Hendrickson) first 9/27

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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