Date: 9/1/17 5:33 am
From: Amy Davenport <cobussec...> [cobirders] <cobirders-noreply...>
Subject: [cobirders] Colorado Rare Bird Alert for September 1, 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 (Mississippi Kite)
Adams/Denver (Burrowing Owl, Barn Owl)
Alamosa (Black Swift, Gray Flycatcher, Pinyon Jay)
Boulder (Brown-capped Rosy Finch)
El Paso (American Redstart)
La Plata (Lewis's Woodpecker)
Larimer (Mew Gull, Caspian Tern)
Logan (Common Tern)
Logan/Sedgwick (Semipalmated Plover, Pectoral Sandpiper)
Logan/Washington (Semipalmated Plover, Pectoral Sandpiper, Willet, Caspian
Tern, Common Tern, Olive-sided Flycatcher , Least Flycatcher, Great Crested
Flycatcher, Cassin's Vireo, Dickcissel)
Morgan (Red-headed Woodpecker, Eastern Bluebird, Sandhill Crane)
Ouray (Black Swift)
Park (Long-tailed Jaeger)
Pueblo (Green Heron)


Adams County
++++South Platte Birding Area
Mississippi Kite --see map (Neil Reinecke) first 8/31
++++Barr Lake
Least Flycatcher (David Dowell/Rebecca Laroche) (first 8/10) last 8/30
Townsend's Warbler (6) (Pheneger/Loch Kilpatrick) (first 8/27) last 8/30
American Redstart (Meredith McBurney/Candice Johnson) (first 8/26) 1;
last 8/29
Cassin's Vireo (2) (Stevens/Jacob Washburn) (first 8/14) last 8/29

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

Arapahoe County
++++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
++++Fourth of July Campground
Brown-capped Rosy Finch (4) (Luke Pheneger/Stephen Chang) (first 7/30) 2;
last 8/31
++++Twin Lakes Open Space
Northern Waterthrush (Leslie S) first 8/29
++++Walden Ponds
American Bittern (Carl Benforf:Bart Deferme) first 8/29

El Paso County
++++Quail Lake
American Redstart (Tanja Britton) first 8/31
++++Hanover Road and area
Curve-billed Thrasher --Peyton Hwy/south/Hanover (Alexander) last 8/30
++++Fountain Creek Regional Park
Mississippi Kite (2) (Cathy Bondy) last 8/30

Jefferson/Douglas County
++++Chatfield Reservoir area
Lesser Black-backed Gull --swim beach (Holden:Glass/Diane Roberts:Cynthia
Madsen) (first 8/26) last 8/29

Larimer County
++++Boyd Lake State Park
Mew Gull --swim beach (Nick Komar) first 8/31
Common Tern (Nick Komar:David Wade) first 8/29
++++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


Logan County
++++Sterling Reservoir and Area
Common Tern (Mark Holmgren) first 8/31

Logan/Washington Counties
++++Prewitt Reservoir & Area
Semipalmated Plover (Mlodinow/Loch Kilpatrick) (first 8/29) 5; last 8/31
Pectoral Sandpiper (2) (Dean Shoup/Kilpatrick) (first 8/6) 3; 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
Upland Sandpiper (3) (Mlodinow) first 8/29
Eastern Screech-Owl (Mlodinow) last 8/29
Red-eyed Vireo (Mlodinow) last 8/29
Ovenbird (Mlodinow) first 8/29
(best shorebird location: southwest corner/access from inlet canal)

Logan/Sedgwick County
++++Jumbo Reservoir
Semipalmated Plover (5) (Brian Johnson/Mark Holmgren) (first 8/23) last
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/Kathy Mihm-Dunning) (first 8/26) last 8/30

Phillips County
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

Yuma County
++++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
++++County Road FF
Greater Prairie-Chicken (4) --south of 46 1/2 (Bill Kaempfer) first 8/26


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

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

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

La Plata County
++++Huck Finn Pond & Animas River Trail
Lewis's Woodpecker (Ryan Votta) 6; last 8/31
++++Animas River Trail
Lewis's Woodpecker
(4) --RiverGate (Gary Koehn) first 8/30
--across/Mercury payments (Jason St. Pierre) first 8/29
Cassin's Vireo --behind Home Depot (Riley Morris/Jason St. Pierre) (first
8/26) last 8/29
Nashville Warbler --across/Merucry payments (Jason St. Pierre) first 8/29
Lewis's Woodpecker --across/Merucry payments (Jason St. Pierre) first 8/29
Townsend's Warbler (2) --behind Home Depot (Dave Hawksworth) last 8/29

Mesa County
++++Horsethief Canyon Wildlife Area
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
++++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
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