Date: 10/1/18 4:02 am
From: Amy Davenport <cobussec...> [cobirders] <cobirders-noreply...>
Subject: [cobirders] Colorado Rare Bird Alert for October 1, 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: 9/30/2018
Adams/Denver (Red-headed Woodpecker)
Arapahoe (Common Tern, Cassin's Vireo)
Boulder (VERMILION FLYCATCHER, Pectoral Sandpiper, Townsend's Warbler)
Delta (Sage Thrasher, Sagebrush Sparrow)
Douglas (Eastern Phoebe)
El Paso (Northern Mockingbird, White-tailed Ptarmigan, Cassin's Vireo)
El Paso/Pueblo (Barn Owl, Curve-billed Thrasher, Sage Thrasher)
Fremont (Black Phoebe, Williamson's Sapsucker, Gray Flycatcher)
Jefferson (Eastern Screech-Owl)
Jefferson/Douglas (Red Phalarope, Jaeger, Gray Flycatcher, Blackpoll
Kiowa (SHORT-BILLED DOWITCHER, Red-necked Phalarope, Lesser Black-backed
Gull, Red-eyed Vireo, SEDGE WREN, Field Sparrow, Semipalmated Plover,
Cassin's Vireo, PHILADELPHIA VIREO, Barn Owl, Broad-winged Hawk, Least
La Plata (Lewis's Woodpecker, Pinyon Jay)
Larimer (White-throated Sparrow, Eastern Bluebird, White-throated Sparrow,
Townsend's Warbler, Mexican Duck, Nashville Warbler)
Las Animas (Lewis's Woodpecker)
Mesa (Sagebrush Sparrow)
Montrose (Northern Mockingbird)
Prowers (Tundra Swan)
Weld (Pectoral Sandpiper, Broad-winged Hawk, PAINTED BUNTING)


Adams County
++++Barr Lake
Cassin's Vireo (Joe Chen) last 9/28

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

Boulder County
++++Walden Ponds Map
Vermilion Flycatcher (male) --50 feet east of Cottonwood marsh parking
lot (Peter Burke/Luke Pheneger) (first 9/29) last 9/30
Pectoral Sandpiper (Pheneger:Zmolek/Alexander Brown) (first 9/24) last
++++Pleasant View Marsh Map
Townsend's Warbler (Christian Nunes/Laura Steadman) (first 9/23) last 9/30
Prothonotary Warbler (Ernest Crvich/Luke & Tracy Pheneger) (first 9/22)
last 9/29
Magnolia Warbler (Steve Mlodinow) first 9/29
++++Lagerman Reservoir Map
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 Map
Sage Thrasher --trailhead (Kent Forward) first 9/29

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

El Paso County
++++Red Rock Canyon Open Space Map
Northern Mockingbird (Fred Losi) first 9/30
Cassin's Vireo (Gloria Nikolai) first 9/29
++++Pikes Peak Map
White-tailed Ptarmigan (4) --see map (Chris Goulart) first 9/30
++++Garden of the Gods Map
Cassin's Vireo (Tyler Stewart) first 9/30
Broad-winged Hawk (Mlodinow) first 9/29
Juniper Titmouse (Mlodinow) first 9/29
++++Hanover Road and area Map
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
Burrowing Owl (4) (Debbie Segal/Diane Roberts) (first 7/23) 1; last 9/29

El Paso/Pueblo Counties County
++++Chico Basin Ranch (fee area)
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
++++Van Bibber Trail Map
Eastern Screech-Owl (Edmond Holroyd) last 9/30
++++Lee Gulch Trail
Broad-winged Hawk --Eltai Street to Horseshoe Park (David Suddjian) first

Jefferson/Douglas County
++++Chatfield Reservoir
(NOTE: see directions on construction updates)
Red Phalarope --off Eagle Cove (Michael Lester) first 9/30
Jaeger (Long-tailed OR Parasitic)--off Eagle Cove (Michael Lester) last
Gray Flycatcher --north boat ramp (Lester) first 9/30
Blackpoll Warbler --south Deer Creeek, east of Bridge (Michael Lester)
first 9/30
Nashville Warbler --north/Audubon Center Trails (Terry Michaels) first
Townsend's Warbler --north/Audubon Center trails (Terry Michaels) first

Larimer County
++++Bobcat Ridge Natural Area Map
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 Map
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
Broad-winged Hawk (David Leatherman/Joe Kipper) (first 9/19) 2; last 9/24
++++Horseshoe Lake Map
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 Map
Pectoral Sandpiper (Nick Komar) 7; last 9/29
++++Wellington Wildlife Area, Cobb Lake
Black-bellied Plover (3) (Andy Bankert) first 9/28
Long-eared Owl (Bankert) last 9/28
++++Fort Collins
Broad-winged Hawk (Nick Komar) first 9/28
(Pleasant Valley & Lake Canal greenbelt at W Lake Street)

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

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

Weld County
++++Banner Lakes Wildlife Area Map
Pectoral Sandpiper (4) (Mike Hensley) first 9/30
Broad-winged Hawk (Mlodinow:Walters) first 9/30
Painted Bunting (Mlodinow:Walters) first 9/30
++++Crow Valley Map
White-throated Sparrow (Audrey Etienne) first 9/29
++++Norma's Grove (CR 100/east/CR 57)
Broad-winged Hawk (Dean Shoup) first 9/28


Kiowa County
++++Neenoshe Reservoir Map
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 Map
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 Map
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
Tundra Swan --Arkansas River/Hwy 50 (Leukering) last 9/30


Kit Carson County
++++Flagler Reservoir Map
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

Logan County
++++Duck Creek Wildlife Area
Red-bellied Woodpecker (Stevens) last 9/27
Blue-headed Vireo (Stevens) first 9/27
++++Tamarack Ranch Wildlife Area
Eastern Screech-Owl (2 locations, east & west) (Stevens) last 9/26
Red-bellied Woodpecker (5) (Stevens) last 9/26
Red-headed Woodpecker (2) (Stevens) last 9/26
Yellow-billed Cuckoo (Stevens) last 9/26
(ties for fifth latest date, three October sightings)
Field Sparrow (Stevens) last 9/26
Blue-headed Vireo (Stevens) last 9/26
Nashville Warbler (Stevens) last 9/26

Logan/Washington Counties
++++Prewitt Reservoir area
Lesser Black-backed Gull Joey Kellner:Dean Shoup) first 9/28
White-throated Sparrow (Shoup) first 9/28

Sedgwick County
++++Sedgwick Draw
Short-eared Owl (Richard Stevens) first 9/27
Eastern Screech-Owl (Stevens) first 9/27
Tennessee Warbler (Stevens) first 9/27
++++Sedgwick Cemetery
Red-bellied Woodpecker (Stevens) first 9/27
++++Sedgwick Bar Wildlife Area
Red-bellied Woodpecker (Stevens:Michaels/Stevens) (first 9/20) last 9/27
Eastern Bluebird (2) (Stevens) last 9/27

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)


Alamosa County
++++San Luis Lakes State Park
Black-bellied Plover (5) (Stump:Rawinski) first 9/27
Semipalmated Plover (Stump:Rawinski) first 9/27

Archuleta County
++++Navajo Reservoir
Sage Thrasher (3) (James Beatty) first 9/27
Sagebrush Sparrow (James Beatty) first 9/27

Clear Creek County
++++Mt. Evans Road
White-tailed Ptarmigan (11) --Mt. Evans Road/south/Summit Lake (Tom
Wilberding & all) last 9/28
Barrow's Goldeneye (up to 11) --Echo Lake (Nathan Senner/Alec McDonell)
(first 5/2) 5; last 9/26

Costilla County
++++Smith Reservoir
Sabine's Gull (juv) (Rawinski/John Stump:John Stump) (first 9/26) last

Custer County
++++DeWeese Reservoir
Magnolia Warbler (Rich Miller) reported 9/28

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

Fremont County
++++Florence River Park Map
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
++++Arkansas Riverwalk
Eastern Phoebe --Sells Pond to Raynolds Avenue (Catherine Olin) last 9/28
Black Phoebe --Sells Pond to Raynolds Avenue (Jerry DeBoer) last 9/25
++++Brush Hollow Wildlife Area
Sage Thrasher (Cathy Sheeter) last 9/28

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

Jackson County
++++Arapaho National Wildlife Refuge & Area
Burrowing Owl (2) (Nick Komar) first 9/27

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
++++Pastorius Reservoir
Pectoral Sandpiper (Susan Allerton/David Dunford) (first 9/27) last 9/28

Mesa County
++++Horsethief Canyon Wildlife Area Map
Sagebrush Sparrow (David Price) first 9/30
++++16.5 Road on Pinyon Mesa
Williamson's Sapsucker (David Price) first 9/28
Pinyon Jay (20) (David Price) first 9/28

Moffat County
++++Loudy Simpson Nature Trail
Nashville Warbler (Jan Leonard) last 9/28

Montezuma County
++++County Road 38
Lewis's Woodpecker (James Beatty) first 9/29
++++Denny Lake
Sage Thrasher (Erik Hendrickson) first 9/27

Montrose County
++++Nucla (5th avenue) Map
Northern Mockingbird (Dexter:Wright) first 9/30

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

Pitkin County
++++Woody Creek Trail at Lenado
Townsend's Warbler (Catherine Hagen) first 9/28
++++County Road 111
Pinyon Jay (11) (Donald Pendleton) first 9/26

San Miguel County
Nashville Warbler (Steele) (first 9/24) last 9/28

Summit County
++++Dillon Reservoir Map
Yellow-billed Loon (adult) --1st county/photographed (Jack & Ryan
Bushong) first 9/30
Williamson's Sapsucker --Sapphire Point Trail (Lyle Hamilton) first 9/29

Teller County
++++Manitou Lake
Townsend's Warbler (Richard Bunn) first 9/28

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
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