Date: 8/28/17 4:31 am
From: Amy Davenport <cobussec...> [cobirders] <cobirders-noreply...>
Subject: [cobirders] Colorado Rare Bird Alert for August 28, 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: 8/27/2017
Adams (Red-headed Woodpecker, Cassin's Vireo, Philadelphia Vireo, Northern
Waterthrush, Nashville Warbler, American Redstart, Townsend's Warbler,
Least Flycatcher, Black-and-white Warbler, Mountain Plover)
Adams/Denver (Burrowing Owl)
Arapahoe (Lesser Black-backed GULL)
Baca (Summer Tanager)
Bent (Pectoral Sandpiper, Northern Mockingbird)
Crowley (Pectoral Sandpiper)
Denver (Lark Bunting)
El Paso (Pectoral Sandpiper, Curve-billed Thrasher, Northern Mockingbird,
Burrowing Owl)
El Paso/Pueblo (Owls, Ladder-backed Woodpecker, Olive-sided Flycatcher,
Least Flycatcher, Curve-billed Thrasher, Least Flycatcher, Northern
Mockingbird, Ovenbird)
Grand (American Three-toed Woodpecker)
Jackson (Greater Sage-Grouse, Lark Bunting, Buff-breasted Sandpiper,
Short-billed Dowitcher, Willet, Red-necked Phalarope, Northern Waterthrush,
Chestnut-sided Warbler, Fox Sparrow)
Jefferson (Olive-sided Flycatcher)
La Plata (Northern Parula, Black-throated Gray Warbler, Lewis's Woodpecker,
Red-eyed Vireo)
Larimer (Red-necked Phalarope, Brown-capped Rosy Finch)
Logan/Washington (Long-billed Curlew)
Moffat (Williamson's Sapsucker, Sagebrush Sparrow)
Montrose (Gray Flycatcher)
Morgan (Eastern Screech-Owl, American Redstart)
Prowers (Great Crested Flycatcher)
Pueblo (Green Heron, Black Phoebe)
Routt (Trumpeter Swan)
Summit (American Three-toed Woodpecker)
Washington (Northern Waterthrush, American Redstart)


Adams County
++++Barr Lake
Red-headed Woodpecker (Luke Pheneger:Susan Wise) first 8/27
Cassin's Vireo (2) (Pheneger:Wise) first 8/27
Philadelphia Vireo (Pheneger:Wise) first 8/27
Northern Waterthrush (McBurney:Stevens/Pheneger:Wise) (first 8/26) last
--banding station & north side
Nashville Warbler (Pheneger) first 8/27
American Redstart (Meredith McBurney/Pheneger:Wise) (first 8/26) last 8/27
Townsend's Warbler (6) (Pheneger) first 8/27
Least Flycatcher --banding station (David Dowell/Pheneger) (first 8/10)
last 8/27
Black-and-white Warbler --mile 8.9 (Stevens) first 8/27
++++Rocky Mountain Arsenal
Mountain Plover --flyover, see map (Chris Goulart) reported 8/27
++++McKay and 100th Avenue Ponds
Northern Waterthrush (Matt Hofeditz) first 8/26
++++Brannon Pit #5
Common Tern (Gabriel Wiltse) first 8/26

Adams/Denver Counties
++++First Creek Trail
Barn Owl --Denver Cty (John Breitsch) last 8/27
Cassin's Sparrow (2) --Adams Cty section (Richard Stevens) first 8/26
Swamp Sparrow --west pond cattails, Adams Cty (Stevens) first 8/26
++++DIA Owl Loop
Burrowing Owl (1) south of Pena Blvd/61st Avenue Park n Ride (Stevens)
(first 8/25) last 8/27

Arapahoe County
++++Cherry Creek Reservoir
Lesser Black-backed Gull (Cynthia Madsen) reported 8/27
Willet --Pelican point (Stevens:Kosten) first 8/25
Least Sandpiper --Pelcian point (Stevens:Kosten) last 8/25
++++Eastern Arapahoe County
Red-headed Woodpecker (adult, 2 juvenile) (Terry Michaels/Dave King)
(first 8/21) last 8/26
(Kiowa Creek at County Line Road; seen in Arapahoe & Elbert Counties)
Burrowing Owl (Stevens:Kosten/Dave King) first (first 5/5) Last 8/26
(--CR 30, 0.5 miles/east/CR 149)

Boulder County
++++Golden Ponds
Northern Waterthrush (Luke Pheneger) first 8/26
American Redstart (Luke Pheneger) first 8/26
++++Brainard Lake Area
American Three-toed Woodpecker --Long Lake Trail (Matt Cohen) last 8/25

Broomfield County
++++Plaster Reservoir
Least Flycatcher (Matt Hofeditz) first 8/26

Denver County
++++Denver City Park
Lark Bunting --Ferril Lake shore (Patrick O'Driscoll) first 8/27
++++Westerly Creek Park
Eastern Phoebe (Jason Bidgood) reported 8/25

El Paso County
++++Ramah Wildlife Area
Pectoral Sandpiper (3) (John Drummond/Rebecca Laroche) (first 8/26) 2;
last 8/27
Semipalmated Plover (John Drummond) first 8/26
++++Hanover Road and area
Curve-billed Thrasher --Peyton Hwy/south/Hanover (Alexander) last 8/27
Northern Mockingbird --Peyton Hwy/south/Hanover (Alexander) last 8/27
Burrowing Owl (5) (Christine Alexander) last 8/27
++++Fountain Creek Regional Park
Mississippi Kite (4) (Joel Adams) last 8/24
Northern Waterthrush (David Tonnessen/Joel Adams) (first 8/12) last 8/24

El Paso/Pueblo Counties
++++Chico Basin Ranch (fee area)
Western Screech-Owl --headquarters (Christine Alexander) reported 8/27
Northern Pygmy-Owl --headquarters (Christine Alexander) reported 8/27
Northern Saw-whet Owl --headquarters (Christine Alexander) reported 8/27
(All above: Pueblo County; (quite a phenomenon if confirmed)
Ladder-backed Woodpecker (Alexander) last 8/27
Olive-sided Flycatcher --wooded areas (Kurt Mize/Alexander) (first 8/19)
last 8/27
Least Flycatcher --banding station (Alexander) first 8/27
Curve-billed Thrasher (Alexander) last 8/27
Northern Mockingbird (2) (Alexander) last 8/27
Ovenbird (2) (Alexander) first 8/27
(all above: banding station area:wooded areas)
(All above: El Paso County)

Jefferson County
++++Plainview Road
Olive-sided Flycatcher (Bill Kaempfer) first 8/27

Jefferson/Douglas County
++++Chatfield Reservoir area
Lesser Black-backed Gull (Jill Holden:Betty Glass) first 8/26
Least Flycatcher (Holden:Glass) last 8/26
Eastern Phoebe (Holden:Glass) last 8/26

Larimer County
++++County Road 70 Ponds
Red-necked Phalarope --east/CR 13 (Nick Komar/Paul Ode) (first 8/26) 3;
last 8/27
++++Rocky Mountain National Park
Brown-capped Rosy Finch
(1) --Alpine Visitor's Center (John Oliver) last 8/27
(2) --Lava Cliff pullover (Marion Warren/Kay Hawklee) (first 6/5) 1; last
White-tailed Ptarmigan
(2) --see map (David Stejskal) first 8/26
(up to 8) --Rock Cut Trail (Marion Warren/Shannon Skalos) (first 6/5)
last 8/17
(2) --Medicine Bow Curve (Marion Warren/Kevin Floyd) (first 6/5) 3; last
++++Kechter Road Ponds
Caspian Tern (Nick Komar) first 8/26
++++CSU Environmental Learning Center
Caspian Tern (Jean Olson) first 8/25

Pueblo County
++++Pueblo City Park
Green Heron --Goodnight trail (Mark Yaeger) last 8/27
Black Phoebe --Goodnight trail (Yaeger) first 8/27

Weld County
++++Weld County Road 124/122 Ponds
Pectoral Sandpiper (6) --124 pond (Cynthia Kristensen) first 8/26
++++Crow Valley Campground
American Redstart (2) (Steve Mlodinow/Jared Del Rosso) (first 8/22) last
Least Flycatcher (Ryan Graves) last 8/25


Alamosa County
++++San Luis Lakes State Park
Common Tern (Steve Mlodinow) first 8/25
++++Great Sand Dunes National Monument
Williamson's Sapsucker (Mlodinow) first 8/25
Northern Pygmy-Owl (Mlodinow) first 8/25
++++Blanca Wetlands
Snowy Plover (Daniel Toronto:Leah Dodd/Rawinski) (first 7/16) last 8/25
Semipalmated Plover (John & Lisa Rawinski) first 8/25

Baca County
++++Cottonwood Canyon
Summer Tanager (Mark Holmgren) last 8/26

Bent County
++++John Martin Reservoir area
Pectoral Sandpiper (Mark Holmgren) first 8/27
Northern Mockingbird (Holmgren) first 8/27
Upland Sandpiper --Hwy 50, east of CR 14 (Joel Adams) first 8/24
Burrowing Owl --Hwy 50, east of CR 14 (Joel Adams) first 8/24
++++Fort Lyons Wildlife Easement Area & Wildlife Area
Yellow-billed Cuckoo (1) --CR 16/south/CR JJ (Angstman) first 8/26
Black Rail
(1) --CR 16/south/CR JJ (Christine Alexander/Joey Angstman) (first 8/12)
1; last 8/26

Crowley County
++++CR G Ponds, east of Ordway
Pectoral Sandpiper (Mark Miller) first 8/27

Kiowa County
++++Neenoshe Reservoir
Red-headed Woodpecker (8) (Nick Moore) last 8/24
Least Flycatcher (Nick Moore) first 8/24
Great Crested Flycatcher (Nick Moore) first 8/24
++++Kiowa Creek at CR 40
Great Crested Flycatcher (Mlodinow/Nick Moore) (first 8/6) last 8/24
++++Upper & Lower Queens Reservoirs
American Redstart (Nick Moore) first 8/24

Prowers County
++++Lamar High School
Great Crested Flycatcher (Mark Holmgren) first 8/27
++++Lamar Community College
Great Crested Flycatcher (2) (Stringer/Joey Angstman) (first 8/25) last
Carolina Wren (2) (Stringer/Joey Angstman) (first 8/25) last 8/26
Black-and-white Warbler (Angstman) first 8/26
Red-eyed Vireo (Angstman) first 8/26
Northern Cardinal (Stringer) pair, last 8/25
Red-headed Woodpecker (Stringer) last 8/25
++++Willow Creek Park
Swallow-tailed Kite (Eric DeFonso) last 8/24
(intersection of 3rd and Walnut)
(also: Willow Creek swimming pool, look in Mississippi Kite flocks)
White-winged Dove (Nick Moore) first 8/24
Greater Roadrunner (Nick Moore) first 8/24
Red-headed Woodpecker (Nick Moore) last 8/24


Logan County
++++Tamarack Ranch Wildlife Area
Blue-headed Vireo (Stevens:Kosten) first 8/24
Red-bellied Woodpecker (Stevens:Kosten) 3; last 8/24
Northern Cardinal (Stevens:Kosten) 2; last 8/24
Baltimore Oriole (female type) (Stevens:Kosten) last 8/24
Eastern Screech-Owl (Stevens:Kosten) 2; last 8/24

Logan/Washington Counties
++++Prewitt Reservoir & Area
Long-billed Curlew (Bob Spencer) first 8/27
Red-necked Phalarope (2) --southwest corner/access from inlet canal
(Bushong/Bill Kaempfer) (first 8/20) last 8/26
Marbled Godwit (6) (Norm Lewis/Art Hudak) (first 7/28) last 8/26
Pectoral Sandpiper (Dean Shoup/Art Hudak) (first 8/6) 2; last 8/26
Least Flycatcher (David Blue) first 8/24
American Redstart (David Blue) first 8/24

Morgan County
++++Jackson Reservoir
Eastern Screech-Owl (Pablo Quezada) last 8/27
American Redstart (Queszada) first 8/27

Phillips County
++++Haxtun City Park
Magnolia Warbler (Bill Kaempfer) first 8/26
Red-headed Woodpecker (Kaempfer) last 8/26

Sedgwick County
++++Sedgwick Bar Wildlife Area
Upland Sandpiper (Stevens:Danka) first 8/23
Red-bellied Woodpecker (Stevens:Danka) last 8/23

Washington County
++++Last Chance Rest Stop
Northern Waterthrush (Mark Miller) first 8/27
American Redstart --behind old motel (Miller) first 8/27

Yuma County
++++County Road FF
Greater Prairie-Chicken (4) --south of 46 1/2 (Bill Kaempfer) first 8/26
++++Patent Creek Playa/CR 58
Burrowing Owl (4) (Kaempfer) first 8/26


Alamosa County
++++Blanca Wetlands
Snowy Plover (Daniel Toronto:Leah Dodd/Ed Huestis) (first 7/16) last 8/26
Semipalmated Plover (John & Lisa Rawinski) first 8/25
++++Great Sand Dunes National Monument
Ash-throated Flycatcher (Ed Huestis) first 8/26
Williamson's Sapsucker (Mlodinow) first 8/25
Northern Pygmy-Owl (Mlodinow) first 8/25

Archuleta County
++++Pagosa Springs
Lewis's Woodpecker (14) --San Juan Riverwalk (Ben Bailey) 5; last 8/23

Clear Creek County
++++Mt. Evans Road
Barrow's Goldeneye (2+) --Echo Lake (Dave King/Nan Perkins) (first 5/11)
4; last 8/24
Brown-capped Rosy Finch
(2)--Summit Lake (Michaels & all/Perkins) (first 6/12) 2; last 8/24

Grand County
++++Shadowcliff Retreat Center
American Three-toed Woodpecker (Jay VaderGaast) first 8/27
++++Windy Gap Reservoir
Barrow's Goldeneye (female type) (Doug Gochfeld) (first 8/24) last 8/25

Fremont County
Lewis's Woodpecker (2) (Susan Strasevicz) first 8/24

Jackson County
++++Arapaho National Wildlife Refuge and Nearby
Lark Bunting (5) (Mlodinow) first 8/27
Greater Sage-Grouse (15) --see map (Steve Mlodinow) last 8/27
Greater Sage-Grouse (5) --CR 31, south of Hwy 14 (Walter Wehtje) first
++++Eighteen Islands Reservoir
Buff-breasted Sandpiper (Steve Mlodinow) reported 8/27
Short-billed Dowitcher (Mlodinow) reported 8/27
Willet (Mlodinow) first 8/27
Northern Waterthrush (Mlodinow) reported 8/27
Chestnut-sided Warbler (Mlodinow) reported 8/27
Fox Sparrow (Slate-colored) (Mlodinow) reported 8/27
++++Walden Reservoir and area
Red-necked Phalarope (2) (Mlodinow) first 8/27

La Plata County
++++Animas River Trail
Northern Parula --behind Home Depot (Morris/Susan Allerton) (first 8/26)
last 8/27
Black-throated Gray Warbler --behind Home Depot (Morris/Susan Allerton)
(first 8/26) last 8/27
Williamson's Sapsucker (2) --behind Home Depot (Riley Morris) first 8/26
Cassin's Vireo --behind Home Depot (Riley Morris) first 8/26
Pinyon Jay (25) --behind Home Depot (Riley Morris) last 8/26
++++Huck Finn Pond & Animas River Trail
Lewis's Woodpecker (Morris) 13; last 8/27
Red-eyed Vireo (Morris) first 8/27
Cassin's Vireo (Ed Huestis) first 8/26
Nashville Warbler (Ed Huestis) first 8/26

Mesa County
++++James Robb Colorado River State Park
Black Phoebe --Fruita section (Ronda Woodward) last 8/26
++++Canal Road, DeBeque
Gray Flycatcher (Nan Perkins) first 8/26

Moffat County
++++Casto Reservoir
Williamson's Sapsucker (Edward Lewis) first 8/27
Sagebrush Sparrow (Edward Lewis) last 8/27
++++Loudy Simpson Park
Red-eyed Vireo (Jan Leonard/Tresa Moulton) (first 8/23) last 8/25
American Redstart (Leonard) first 8/24

Montrose County
++++Airport Lake Area
Gray Flycatcher (Dexter:Wright) (first 8/25) 2; last 8/27
++++Nucla Town Reservoir
Pinyon Jay (9) (Dexter:Wright) (first 8/6) 17; last 8/26

Routt County
++++Stagecoach Recreational Area
Trumpeter Swan (Tresa Moulton) last 8/27

Summit County
++++Green Mountain Reservoir
American Three-toed Woodpecker (Phil Lyon) last 8/27

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
Subscribe to "cobirders" by sending blank email to:
cobirders-subscribe AT
Read "cobirders" at:

Join us on Facebook!