Date: 10/2/18 3:43 am
From: Amy Davenport <cobussec...> [cobirders] <cobirders-noreply...>
Subject: [cobirders] Colorado Rare Bird Alert for October 2, 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: 10/1/2018
Baca (Broad-winged Hawk, Yellow-bellied Sapsucker, White-throated Sparrow)
Boulder (Vermilion Flycatcher, Pectoral Sandpiper, Northern Waterthrush,
Blackpoll Warbler, Townsend's Warbler, Long-eared Owl, Sage Thrasher)
Clear Creek (Barrow's Goldeneye)
El Paso (Burrowing Owl)
El Paso/Pueblo (Ladder-backed Woodpecker, Sage Thrasher, Northern
Mockingbird, Chestnut-collared Longspur)
Grand (American Three-toed Woodpecker)
Jefferson/Douglas (Gray Flycatcher, Eastern Phoebe, Tennessee Warbler, Palm
Larimer (White-tailed Ptarmigan, American Three-toed Woodpecker, Townsend's
Warbler, Dusky Grouse)
Mesa (Black Phoebe)
Montezuma (Gray Flycatcher)
Montrose (Williamson's Sapsucker, Black Phoebe)
Prowers (Field Sparrow)
Summit (Yellow-billed Loon)
Teller (Lewis's Woodpecker)
Weld (Broad-winged Hawk, Eastern Bluebird)


Adams/Denver Counties
++++First Creek Trail
Red-headed Woodpecker (juvenile) --Denver Cty (Jeff Dawson/John Breitsch)
(first 9/28) last 9/30
Chestnut-sided Warbler --370 meters/northwest of trailhead (Michael
Lester) (Adams Cty) first 9/29
Yellow-throated Warbler --last: willows southwest of trailhead
(Adams/Denver) (John Breitsch) first 9/29
(great sighting: would be third record for both Adams & Denver Counties)
Ash-throated Flycatcher (Denver Cty) (Dave King/Richard Stevens) (first
9/28) last 9/29
(photographed in cottonwoods just south of 56th avenue bridge)

Arapahoe County
++++Cherry Creek Reservoir
Common Tern (Christine Alexander) first 9/30
Black-bellied Plover (2) --last Prairie Loop (Ben Sampson) first 9/29
++++Delaney Community Farm & Museum
Cassin's Vireo --Toll Gate Creek (Stevens:Kosten) first 9/30

Boulder County
++++Walden Ponds
Vermilion Flycatcher (male) --50 feet east of Cottonwood marsh parking
lot (Peter Burke/Richard Stevens) (first 9/29) last 10/1
Pectoral Sandpiper (Pheneger:Zmolek/Stevens) (first 9/24) last 10/1
Northern Waterthrush --Wally Toevs Pond (Lindsay Purifoy) reported 10/1
++++Pleasant View Marsh
Blackpoll Warbler (Stevens) first 10/1
Townsend's Warbler (Christian Nunes/Stevens) (first 9/23) 2; last 10/1
Prothonotary Warbler (Ernest Crvich/Luke & Tracy Pheneger) (first 9/22)
last 9/29
Magnolia Warbler (Steve Mlodinow) first 9/29
Red-eyed Vireo (Bill Kaempfer/Christian Nunes:Peter Burke) (first 9/24)
last 9/27
++++West 120th Avenue
Long-eared Owl (4) (Micah Yarbrough) first 10/1
Sage Thrasher (2) (Micah Yarbrough) first 10/1
++++Lagerman Reservoir
Red-necked Phalarope (4) (Steve Frye) first 9/29
Sabine's Gull (Frye) first 9/29
Burrowing Owl (Frye) last 9/29
++++Boulder Valley Ranch Open Space
Sage Thrasher --trailhead (Kent Forward) first 9/29

Douglas County
++++Cherry Creek Trail & Walker Pit
Eastern Phoebe --south/Walker Pit (Kingery) (first 4/13) last 9/30

El Paso County
++++Hanover Road and area
Burrowing Owl (4) (Debbie Segal/Richard Bunn:Jan Allbright) (first 7/23)
6; last 10/1
Short-eared Owl (Alexander:Gilbert) first 9/29
Curve-billed Thrasher (2) --Fire Station (Kiki Widjaja) first 9/29
Northern Mockingbird --Fire Station (Widjaja) first 9/29
Sage Thrasher (Joe Chen) first 9/29
++++Red Rock Canyon Open Space
Northern Mockingbird (Fred Losi) first 9/30
Cassin's Vireo (Gloria Nikolai) first 9/29
++++Pikes Peak
White-tailed Ptarmigan (4) --see map (Chris Goulart) first 9/30
++++Garden of the Gods
Cassin's Vireo (Tyler Stewart) first 9/30
Broad-winged Hawk (Mlodinow) first 9/29
Juniper Titmouse (Mlodinow) first 9/29

El Paso/Pueblo Counties County
++++Chico Basin Ranch (fee area)
Ladder-backed Woodpecker (Mel Goff & all) last 10/1
Sage Thrasher (Goff & all) last 10/1
Northern Mockingbird (Goff & all) last 10/1
Chestnut-collared Longspur (Drummond/Ketcham) (first 9/26) 12; last 10/1
(above: banding station, El Paso Cty)
Barn Owl (Tim Leppek) last 9/30
Curve-billed Thrasher (Tim Leppek) last 9/30
Sage Thrasher (Tim Leppek) last 9/30
(above: headquarters, Pueblo Cty)

Jefferson County
++++Denver West Office Complex
Tennessee Warbler (Mark Chavez) first 9/30
++++Arvada Reservoir
Palm Warbler (Mark Chavez) first 9/30
++++Van Bibber Trail
Eastern Screech-Owl (Edmond Holroyd) last 9/30

Jefferson/Douglas County
++++Chatfield Reservoir
(NOTE: see directions on construction updates)
Gray Flycatcher --north boat ramp (Lester/Myron Gerhard) (first 9/30)
last 10/1
Eastern Phoebe --Deer Creek, north end of swim beach
(Farrell:Madsen/Chen:Suddjian) (first 9/19) last 10/1
Red Phalarope --off Eagle Cove (Michael Lester) first 9/30
Jaeger (Long-tailed OR Parasitic)--off Eagle Cove (Michael Lester) last
Blackpoll Warbler --south Deer Creeek, east of Bridge (Michael Lester)
first 9/30

Larimer County
++++Rocky Mountain National Park
White-tailed Ptarmigan (9) --Lava Cliffs (Kent Forward) last 10/1
American Three-toed Woodpecker (2) --Hidden Valley Creek (Kent Forward)
last 10/1
Townsend's Warbler --Hidden Valley (Kent Forward) first 10/1
Dusky Grouse (2) --alluvial fan area (Janet Stevens) first 9/29
++++Bobcat Ridge Natural Area
White-throated Sparrow (Fawn Simonds) first 9/30
(3rd record for Bobcat Ridge Natural Area; previous: 1/21/2006 &
Eastern Bluebird (Simonds) last 9/30
++++Grandview Cemetery
White-throated Sparrow (1st winter) (Leatherman) (first 9/25) 2; last 9/30
Townsend's Warbler (David Wade/Leatherman) (first 9/16) last 9/30
++++Horseshoe Lake
Mexican Duck --pond north of lake (Nick Komar/Komar:Breidt) (first 9/22)
last 9/30
++++CSU Plant Environmental Research Center
Nashville Warbler (Robert Beauchamp) first 9/30
++++Timnath Reservoir
Pectoral Sandpiper (Nick Komar) 7; last 9/29

Las Animas County
++++County Road 46 & CR 44
Lewis's Woodpecker (Darth Aves) first 9/30

Pueblo County
++++Valco Ponds Wildlife Area
Green Heron (Tim Leppek) last 9/29

Weld County
++++Crow Valley
Broad-winged Hawk (David Leatherman) first 10/1
Eastern Bluebird (2) (Leatherman) first 10/1
White-throated Sparrow (Audrey Etienne) first 9/29
++++Banner Lakes Wildlife Area
Pectoral Sandpiper (4) (Mike Hensley) first 9/30
Broad-winged Hawk (Mlodinow:Walters) first 9/30
Painted Bunting (Mlodinow:Walters) first 9/30


Baca County
++++Two Buttes Reservoir & area
Broad-winged Hawk (3) (Peterson:Leukering) first 10/1
Yellow-bellied Sapsucker (Peterson:Leukering) reported 10/1
White-throated Sparrow (2) (Peterson:Leukering) first 10/1

Kiowa County
++++Neenoshe Reservoir
Short-billed Dowitcher (Steve Mlodinow:Sean Walters) first 9/30
Red-necked Phalarope (5) (Mlodinow:Walters) first 9/30
Lesser Black-backed Gull (Steve Mlodinow:Sean Walters) first 9/30
Red-eyed Vireo (Steve Mlodinow:Sean Walters) first 9/30
Sedge Wren (Mlodinow:Walters) reported 9/30
Field Sparrow (Mlodinow:Walters) first 9/30
++++Upper Queens Reservoir
Semipalmated Plover (Steve Mlodinow:Sean Walters) first 9/30
Cassin's Vireo (Steve Mlodinow:Sean Walters) first 9/30
Philadelphia Vireo (Mlodinow:Walters) reported 9/30
++++County Road 40 at Kiowa Creek
Barn Owl (Mlodinow:Walters) last 9/30
Broad-winged Hawk (Steve Mlodinow:Sean Walters) first 9/30
Least Flycatcher (Mlodinow:Walters) first 9/30

Prowers County
++++North Gateway Park
Field Sparrow (Leukering) first 10/1
Tundra Swan --Arkansas River/Hwy 50 (Leukering) last 9/30


Kit Carson County
++++Flagler Reservoir
Cassin's Vireo (Stevens) first 9/29
Palm Warbler (Stevens) first 9/29
Magnolia Warbler (Stevens) first 9/29
Swamp Sparrow (Stevens) first 9/29

Yuma County
++++Bonny Reservoir Area
Sprague's Pipit --Pipit Hill (Richard Stevens) first 9/28
Nashville Warbler (Stevens:Michaels/Stevens) (first 9/22) last 9/28
Broad-winged Hawk --wagon wheel (Suddjian & all) first 9/26
Burrowing Owl (2) --Pipit Hill (David Dowell/Suddjian) (first 9/23) last
(Bonny Reservoir Wildlife Area)
Red-bellied Woodpecker (2) (Stevens) last 9/28
Red-headed Woodpecker (2) (Stevens) last 9/28
Eastern Bluebird (12+) (Stevens) last 9/28
Blue-headed Vireo (Stevens) first 9/28
Red-headed Woodpecker (Stevens) last 9/28
Red-bellied Woodpecker (2) (Stevens) last 9/28
(Hale Ponds)


Clear Creek County
++++Mt. Evans Road
Barrow's Goldeneye (up to 11) --Echo Lake (Nathan Senner/Lynne Miller)
(first 5/2) 3; last 9/30
White-tailed Ptarmigan (11) --Mt. Evans Road/south/Summit Lake (Tom
Wilberding & all) last 9/28

Delta County
++++Sweitzer Lake State Park
Sage Thrasher (Betty Fenton) first 9/30
Sagebrush Sparrow (Betty Fenton) first 9/30

Fremont County
++++Florence River Park
Black Phoebe (Cathy Sheeter) last 9/30
++++Beaver Creek Wildlife Area
Williamson's Sapsucker (Felice Lyons) first 9/30
Gray Flycatcher (Felice Lyons) first 9/30

Garfield County
++++Rifle Arch Trail
Pinyon Jay (3) (Coen Dexter:Brenda Wright) first 9/29

Grand County
++++Grand Lake area
American Three-toed Woodpecker --green mountain trail (Paul Block/Daniel
Patrick) (first 8/14) last 9/30

La Plata County
++++County Road 124, north of Hesperus
Lewis's Woodpecker (2) (Steve Frohock) first 9/30
Pinyon Jay (4) (Steve Frohock) first 9/30

Mesa County
++++Redlands Parkway Ponds
Black Phoebe (David Price/Glenn Pearson) (first 8/26) last 10/1
++++Horsethief Canyon Wildlife Area
Sagebrush Sparrow (David Price) first 9/30

Montezuma County
++++Hawkins Preserve
Gray Flycatcher (Erik Hendrickson) (first 9/26) last 10/1
++++County Road 38
Lewis's Woodpecker (James Beatty) first 9/29

Montrose County
++++Nucla Town Reservoir
Williamson's Sapsucker (Coen Dexter:Brenda Wright) (first 9/16) last 10/1
Black Phoebe (Coen Dexter:Brenda Wright) last 10/1
++++Nucla (5th avenue)
Northern Mockingbird (Dexter:Wright) first 9/30

Ouray County
++++Owl Creek Pass Road
Sagebrush Sparrow (Betty Fenton) first 9/29

Summit County
++++Dillon Reservoir
Yellow-billed Loon (adult) (Jack & Ryan Bushong/Misty Walters) (first
9/30) 10/1
(Blue River Inlet to Reservoir; 1st county record/photographed)
Williamson's Sapsucker --Sapphire Point Trail (Lyle Hamilton) first 9/29

Teller County
++++Manitou Lake
Lewis's Woodpecker (Scott Chalmers) first 10/1

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

Join us on Facebook!