Date: 8/29/17 7:09 am
From: Amy Davenport <cobussec...> [cobirders] <cobirders-noreply...>
Subject: [cobirders] Colorado Rare Bird Alert for August 29, 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: 8/28/2017
Adams (Cassin's Vireo, Townsend's Warbler)
Adams/Denver (Burrowing Owl)
Arapahoe (Broad-winged Hawk, Olive-sided Flycatcher, Green Heron)
Denver (Northern Waterthrush, Red-eyed Vireo, Wild Turkey, Peregrine Falcon)
El Paso (Ovenbird, Mississippi Kite)
Jackson (Lark Bunting)
Jefferson (Red-eyed Vireo)
Larimer (American Three-toed Woodpecker)
Bent (Yellow-billed Cuckoo, Great Crested Flycatcher, Northern Mockingbird,
American Redstart)
Morgan (Long-billed Curlew, Caspian Tern, Eastern Screech-Owl, Least
Flycatcher, Cassin's Vireo,<br>
Redstart, Townsend's Warbler, Dickcissel, Baltimore Oriole)
Montrose (Pinyon Jay)
Ouray (Black Swift)


Adams County
++++Barr Lake
Cassin's Vireo (2) (Stevens) (first 8/14) last 8/28
Townsend's Warbler (6) (Pheneger/Stevens) (first 8/27) last 8/28
Red-headed Woodpecker (Luke Pheneger:Susan 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
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
++++DIA Owl Loop
Burrowing Owl (1) south of Pena Blvd/61st Avenue Park n Ride (Stevens)
(first 8/25) last 8/28
++++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

Arapahoe County
++++Marjorie Perry Nature Preserve Area
Broad-winged Hawk (Jared Del Rosso) first 8/28
++++Ketring Park and Lake
Olive-sided Flycatcher (2) (Steve Altman) first 8/28
++++South Platte Park
Green Heron --see map (Robert Flozenlogen) first 8/28
++++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
++++Bear Creek Park
Northern Waterthrush (Doug Kibbe) first 8/28
++++Bluff Lake Nature Area
Red-eyed Vireo (Jacob Washburn/George Ho) (first 8/16) last 8/28
Wild Turkey (Jacob Washburn/George Ho) (first 8/16) last 8/28
++++18th & Glenarm, Denver Map
Peregrine Falcon (3) (Matt Baker) first 8/28
++++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
++++Cheyenne Mountain Park
Ovenbird (15) (Deborah Barnes/Alan Versaw) (first 5/13) 1; last 8/28
++++Fountain Creek Regional Park
Mississippi Kite (2) (Tnaja Britton) last 8/28
++++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

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
++++Lower White Ranch Park
Red-eyed Vireo (Gerald Baines) first 8/28
++++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
++++Rocky Mountain National Park
American Three-toed Woodpecker
(1) --Upper Beaver Meadows (David Pettee) last 8/28
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
++++County Road 70 Ponds
Red-necked Phalarope --east/CR 13 (Nick Komar/Paul Ode) (first 8/26) 3;
last 8/27
++++Kechter Road Ponds
Caspian Tern (Nick Komar) first 8/26

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


Alamosa County
++++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
Yellow-billed Cuckoo --Hasty Union Valley Cemetery (Mark Holmgren) first
Great Crested Flycatcher (Holmgren) first 8/28
Northern Mockingbird (Holmgren) (first 8/27) last 8/28
American Redstart (Holmgren) first 8/28
Pectoral Sandpiper (Mark Holmgren) first 8/27
++++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

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


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

Morgan County
++++Jackson Reservoir
Long-billed Curlew (Steve Mlodinow) first 8/28
Caspian Tern (3) (Mlodinow) first 8/28
Eastern Screech-Owl (2) (Mlodinow) last 8/28
Least Flycatcher (Mlodinow) first 8/28
Cassin's Vireo (Mlodinow) first 8/28
American Redstart (Queszada/Mlodinow) (first 8/27) 2; last 8/28
Townsend's Warbler (Mlodinow) first 8/28
Dickcissel (Mlodinow) first 8/28
Baltimore Oriole (Mlodinow) first 8/28

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

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 --Pond 46 (Toronto: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

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

Jackson County
++++Arapaho National Wildlife Refuge and Nearby
Lark Bunting (5) (Mlodinow/Jean Olson) (first 8/27) last 8/28
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

Montrose County
++++Airport Lake Area
Pinyon Jay (4) (Dexter:Wright) last 8/28
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

Ouray County
++++Ouray and Box Canyon Falls
Black Swift (2) (Glenn Walbek/Gary Koehn) (first 6/11) last 8/28

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
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