Date: 9/2/17 3:44 am
From: Amy Davenport <cobussec...> [cobirders] <cobirders-noreply...>
Subject: [cobirders] Colorado Rare Bird Alert for September 2, 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: 9/1/2017
Adams (Townsend's Warbler)
Adams/Denver (Barn Owl)
Arapahoe (Sabine's Gull)
Boulder (Olive-sided Flycatcher)
Cheyenne (Pectoral Sandpiper, Red-headed Woodpecker, Dickcissel, Baltimore
El Paso (Olive-sided Flycatcher, Sage Thrasher, Mississippi Kite, Red-eyed
Jefferson/Douglas (Lesser Black-backed Gull, Eastern Phoebe)
Kit Carson (Red-headed Woodpecker, Olive-sided Flycatcher, Least
Flycatcher, Black-and-white Warbler, American Redstart)
La Plata (Lewis's Woodpecker)
Logan (Pectoral Sandpiper)
Logan/Sedgwick (Semipalmated Plover)
Logan/Washington (Least Flycatcher)
Mesa (Pinyon Jay)
Park (Long-tailed Jaeger)
Phillips (Barn Owl)
San Miguel (Black-throated Sparrow)
Washington (Cassin's Vireo, Northern Waterthrush, American Redstart)
Yuma (Upland Sandpiper, Eastern Screech-Owl, Red-bellied Woodpecker,
Red-headed Woodpecker, Least Flycatcher, Great Crested Flycatcher,
Townsend's Warbler, Rose-breasted Grosbeak, Baltimore Oriole)


Adams County
++++South Platte Birding Area
Mississippi Kite --see map (Neil Reinecke) first 8/31
++++Barr Lake
Townsend's Warbler (6) (Pheneger/McBurney) (first 8/27) 2; last 9/1
Least Flycatcher (David Dowell/Rebecca Laroche) (first 8/10) last 8/30

Adams/Denver Counties
++++First Creek Trail
Barn Owl --Denver Cty (Andrew Fontenot) last 9/1
++++DIA Owl Loop
Burrowing Owl (1) --W. Cargo Road & Third Creek (Kathy & Jonathan Haley)
4; last 8/31

Arapahoe County
++++Aurora Reservoir
Sabine's Gull (juv) (David Suddjian) first 9/1
++++Eastern Arapahoe County
Red-headed Woodpecker (adult, 2 juvenile) (Terry Michaels/Dave King)
(first 8/21) last 8/30
(Kiowa Creek at County Line Road; seen in Arapahoe & Elbert Counties)
Burrowing Owl (Stevens:Kosten/Dave King) (first 5/5) Last 8/30
(--CR 30, 0.5 miles/east/CR 149)

Boulder County
++++Warembourg Open Space Area & Dutch Creek Park
Olive-sided Flycatcher (Jack Bushong) first 9/1
++++Fourth of July Campground
Brown-capped Rosy Finch (4) (Luke Pheneger/Stephen Chang) (first 7/30) 2;
last 8/31

El Paso County
++++Kettle Lakes
Olive-sided Flycatcher (Robb Hinds) first 9/1
Sage Thrasher (Robb Hinds) first 9/1
++++Fountain Creek Regional Park
Mississippi Kite (2) (David & Cheryl Hubbard) last 9/1
++++Clear Spring Ranch
Red-eyed Vireo --banding station (Steve Brown) first 9/1
++++Quail Lake
American Redstart (Tanja Britton) first 8/31
++++Hanover Road and area
Curve-billed Thrasher --Peyton Hwy/south/Hanover (Alexander) last 8/30

Jefferson/Douglas County
++++Chatfield Reservoir area
Lesser Black-backed Gull --swim beach (Holden:Glass/Matt Clark) (first
8/26) last 9/1
Eastern Phoebe --Gazebo Heronry Overlook (Isaiah McCourt) first 9/1

Larimer County
++++Boyd Lake State Park
Mew Gull --swim beach (Nick Komar) first 8/31
++++Timnath Reservoir
Caspian Tern (2) (Joe Mammoser) (first 8/16) 1; last 8/31
++++Grandview Cemetery
American Redstart (David Leatherman) first 8/30

Pueblo County
++++Runyon Lake
Green Heron (Mark Yaeger) first 8/31
++++Lake Beckwit
Black Swift (3) (Dave Silverman) (first 20) last 8/30

Weld County
++++Crow Valley Campground
American Redstart (2) (Steve Mlodinow/Gene Rutherford) (first 8/22) last
++++Pawnee National Grasslands area
Chestnut-collared Longspur --CR 114/east/CR 45 (Jean Olson) last 8/30


Bent County
++++Fort Lyons Wildlife Easement Area & Wildlife Area
Black-and-white Warbler (Duane Nelson) first 8/30
Great Crested Flycatcher (Nelson) first 8/30
Yellow-billed Cuckoo (Nelson) first 8/30
(All Above: 1.5 miles east of CR 16 & CR JJ)
++++John Martin Reservoir area
American Redstart (Holmgren/Nelson) (first 8/28) last 8/30
Baltimore Oriole (Nelson) first 8/30
Willow Flycatcher (Nelson) first 8/30
Yellow-billed Cuckoo (Nelson) first 8/30
(all above: Lake Hasty Campgrounds)
Yellow-billed Cuckoo --Clayton grove (Duane Nelson) first 8/30


Cheyenne County
++++County Road 34, north of CR T
Pectoral Sandpiper (1) (Mlodinow) first 9/1
++++County Road 31 & CR J
Red-headed Woodpecker (5) (Mlodinow) first 9/1
Dickcissel (Mlodinow) first 9/1
Baltimore Oriole (2) (Mlodinow) first 9/1

Kit Carson County
++++Flagler Reservoir
Red-headed Woodpecker (David Dowell) last 9/1
Olive-sided Flycatcher (2) (Dowell) first 9/1
Least Flycatcher (2) (Dowell) first 9/1
Black-and-white Warbler (Dowell) first 9/1
American Redstart (Dowell) first 9/1

Logan County
++++West of Red Lion Wildlife Area
Pectoral Sandpiper (3) (Kath Mihm-Dunning) first 9/1
++++Sterling Reservoir and Area
Common Tern (Mark Holmgren) first 8/31

Logan/Washington Counties
++++Prewitt Reservoir & Area
Least Flycatcher (David Blue/Dan Brooke) (first 8/24) last 9/1
Semipalmated Plover (Mlodinow/Loch Kilpatrick) (first 8/29) 5; last 8/31
Pectoral Sandpiper (2) (Dean Shoup/Kilpatrick) (first 8/6) 15; last 8/31
Willet (Kilpatrick) first 8/31
Caspian Tern (Loch Kilpatrick) first 8/31
Common Tern (Kilpatrick) first 8/31
Olive-sided Flycatcher (Mlodinow/Kilpatrick) (first 8/29) last 8/31
Least Flycatcher (David Blue/Loch Kilpatrick) (first 8/24) last 8/31
Great Crested Flycatcher (Kilpatrick) last 8/31
Cassin's Vireo (Kilpatrick) first 8/31
Dickcissel (2) --Hwy 6, south of CR 57 (Kilpatrick) first 8/31
Red-necked Phalarope (2) (Bushong/Andrew Fontenot) (first 8/20) 3; last
American Redstart (David Blue/Fontenot) (first 8/24) last 8/30
(best shorebird location: southwest corner/access from inlet canal)

Logan/Sedgwick County
++++Jumbo Reservoir
Semipalmated Plover (5) (Brian Johnson/Kathy Mihm-Dunning) (first 8/23)
last 9/1
Pectoral Sandpiper (Steve Larson/Holmgren) (first 8/22) last 8/31

Morgan County
++++Brush Wildlife Area
Red-headed Woodpecker (2) (Norm Lewis) last 8/31
Eastern Bluebird (Norm Lewis) last 8/31
++++Highway 144 south of Orchard
Sandhill Crane (Loch Kilpatrick) first 8/31
++++Jackson Reservoir
American Redstart (Queszada/Andrew Fontenot) (first 8/27) 2; last 8/30

Park County
++++Antero Reservoir
Long-tailed Jaeger (Mlodinow/Michaels &amp; all) (first 8/26) last 9/1

Phillips County
++++County Road 14 & CR 31
Barn Owl (Robert Beauchamp) first 9/1
Olive-sided Flycatcher --see map (Mlodinow) first 8/30
Least Flycatcher (Mlodinow) first 8/30
++++Holyoke Fishing Pond
Mississippi Kite (7) (Steve Mlodinow) first 8/30

Sedgwick County
++++Sedgwick Cemetery
Least Flycatcher (Steve Mlodinow) first 8/29
Red-headed Woodpecker (Mlodinow) last 8/29
Baltimore Oriole (Mlodinow) first 8/29

Washington County
++++Last Chance Rest Stop
Cassin's Vireo (David Dowell) first 9/1
Northern Waterthrush (Mark Miller/Dowell) (first 8/27) last 9/1
American Redstart --behind old motel (Mark Miller) first 8/27
++++Washington Country Club Golf Course Park
American Redstart (Kathy Mihm-Dunning) first 9/1
NOTE: not on Golf Course, but Akron Pond, County Land just north of Golf

Yuma County
++++Bonny Reservoir Area
Upland Sandpiper --Hale Ponds (Steve Mlodinow) first 9/1
Eastern Screech-Owl --Hale Ponds (Mlodinow) last 9/1
Eastern Screech-Owl --Hale (Mlodinow) last 9/1
Red-bellied Woodpecker --Hale (Mlodinow) last 9/1
Red-bellied Woodpecker (3) --Hale Ponds (Mlodinow) last 9/1
Red-headed Woodpecker (6) --Hale Ponds (Mlodinow) last 9/1
Least Flycatcher (3) --Hale Ponds (Mlodinow) first 9/1
Great Crested Flycatcher --Hale (Mlodinow) last 9/1
Townsend's Warbler --Hale Ponds (Mlodinow) first 9/1
Rose-breasted Grosbeak --Hale Ponds (Mlodinow) first 9/1
Baltimore Oriole (5) --Hale Ponds (Mlodinow) first 9/1
++++Stalker Pond
Least Flycatcher (Mlodinow) first 8/30
Eastern Screech-Owl (Mlodinow) last 8/30
Great Crested Flycatcher (Mlodinow) first 8/30
Ovenbird (Mlodinow) first 8/30
Northern Cardinal (4) (Mlodinow) last 8/30
Baltimore Oriole (4) (Mlodinow) last 8/30
++++Wray Fishing Unit
Baltimore Oriole (2) (Mlodinow) last 8/30
++++County Road 54, east of Highway 385
Great Crested Flycatcher (Steve Mlodinow) first 8/30
++++County Road Y/south/CR 59
Barn Owl (Mlodinow) first 8/30
Dickcissel (3) (Mlodinow) first 8/30
Baltimore Oriole (2) (Mlodinow) first 8/30
++++Patent Creek Playa/CR 58
Pectoral Sandpiper (Mlodinow) first 8/30


Alamosa County
++++Zapata Falls & area
Black Swift (16) (CoBus Groups/Greg Levandoski) (first 6/28) 8; last 8/31
Pinyon Jay (50) (Norm Lewis/Levandoski) (first 8/17) 3; last 8/30
Gray Flycatcher (Levandoski) first 8/30
(All above: Falls)
Gray Flycatcher (5) --Campgrounds, see map (Levandoski) (first 8/30) 2;
last 8/31
Pinyon Jay (1) (Levandoski) first 8/31

Archuleta County
++++Pagosa Springs & area
Lewis's Woodpecker (14) --San Juan Riverwalk (Lindell Dillon) 5; last

Eagle County
Juniper Titmouse --see map (Rick Shearer) first 8/30

La Plata County
++++Animas River Trail
Lewis's Woodpecker
(5) -- Bridge area near Rio Vista Circle (Jason St. Pierre) first 9/1
(4) --RiverGate (Gary Koehn) first 8/30
++++Huck Finn Pond & Animas River Trail
Lewis's Woodpecker (Ryan Votta) 6; last 8/31

Mesa County
++++Horsethief Canyon Wildlife Area
Pinyon Jay (10) (Mike Henwood) first 9/1
Green Heron --same pond as NOWA (Mike Henwood) first 8/29
Northern Waterthrush (Mike Henwood) first 8/29
(edge of largest pond, 1/2 mile from parking lot)
Nashville Warbler --1/4 mile from parking lot (Mike Henwood) first 8/29

Ouray County
++++Ouray and Box Canyon Falls
Black Swift (2) (Glenn Walbek/Erik Sauder) (first 6/11) 1; last 8/31

San Miguel County
++++Disappointment Creek at CR 19Q
Black-throated Sparrow (Brenda Wright:Coen Dexter) first 9/1
++++Ophir Pass
Brown-capped Rosy Finch (2) (Washburn:Simmons/Thomas Guggemoos) (first
6/25) 20, last 8/29
NOTE: not recommended without 4-wheel drive

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:
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Read "cobirders" at:


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