Date: 10/4/18 3:35 am
From: Amy Davenport <cobussec...> [cobirders] <cobirders-noreply...>
Subject: [cobirders] Colorado Rare Bird Alert for October 4, 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: 10/3/2018
Boulder (Vermilion Flycatcher, Pectoral Sandpiper)
Chaffee (Lewis's Woodpecker, Pinyon Jay)
Denver (Broad-winged Hawk)
El Paso (Curve-billed Thrasher)
El Paso/Pueblo (Curve-billed Thrasher, Sage Thrasher, Northern Mockingbird,
Chestnut-collared Longspur)
Garfield (Pinyon Jay)
Lake (White-tailed Ptarmigan, Brown-capped Rosy Finch)
Larimer (Black-bellied Plover, Mexican Duck)
Mesa (Black Phoebe, Sage Thrasher, White-throated Sparrow, Sagebrush
Montrose (Sage Thrasher, Sagebrush Sparrow, Pinyon Jay)
Weld (Townsend's Warbler)


Boulder County
++++Walden Ponds
Vermilion Flycatcher (male) --50 feet east of Cottonwood marsh parking
lot (Peter Burke/Michael King) (first 9/29) last 10/3
Pectoral Sandpiper (Pheneger:Zmolek/M.OB.) (first 9/24) last 10/3
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
++++West 120th Avenue
Long-eared Owl (4) (Micah Yarbrough) first 10/1
Sage Thrasher (2) (Micah Yarbrough) first 10/1

Denver County
++++Bluff Lake Nature Area
Broad-winged Hawk (John Cobb) reported 10/3

El Paso County
++++Garden of the Gods
Cassin's Vireo (Tyler Stewart/Bob Craven) (first 9/30) last 10/2
++++Hanover Road and area
Curve-billed Thrasher --Fire Station (Norm Lewis) last 10/3
Burrowing Owl (4) (Debbie Segal/Richard Bunn:Jan Allbright) (first 7/23)
6; last 10/1
++++Pikes Peak
White-tailed Ptarmigan (4) --see map (Chris Goulart) first 9/30

El Paso/Pueblo Counties County
++++Chico Basin Ranch (fee area)
Curve-billed Thrasher (Norm Lewis) last 10/3
Sage Thrasher (Merritt) (3) last 10/3
Northern Mockingbird (Jim Merritt) last 10/3
Chestnut-collared Longspur (Drummond/Merritt) (first 9/26) 16; last 10/3
American Redstart (Geissler) first 10/2
Ladder-backed Woodpecker (Mel Goff & all) last 10/1
(above: banding station, El Paso Cty)

Jefferson County
++++Bear Creek Lake Park
Cassin's Vireo (Mark Chavez) first 10/2
++++Crown Hill Park
Tennessee Warbler (2) (Sydney Fitzpatrick) reported 10/2

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

Larimer County
++++Lake Loveland
Black-bellied Plover (Jerry DeBoer) first 10/3
++++Horseshoe Lake
Mexican Duck --pond north of lake (Nick Komar/Komar:Breidt) (first 9/22)
last 10/3
++++Fort Collins (Oak & Grant)
Turkey Vulture (109) (Georgia Doyle) first 10/2
++++Grandview Cemetery
Cassin's Vireo (Leatherman) first 10/2
++++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

Weld County
Townsend's Warbler (Kathy Mihm-Dunning) first 10/3
++++Union Reservoir & area
Common Tern (Steve Mlodinow) (first 9/15) last 10/2
++++Crow Valley
Broad-winged Hawk (David Leatherman) first 10/1
Eastern Bluebird (2) (Leatherman) first 10/1


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

Prowers County
++++North Gateway Park
Tundra Swan --Arkansas River/Hwy 50 (Leukering) last 10/2
Field Sparrow (Leukering) first 10/1


Yuma County
++++Bonny Reservoir Area
Sprague's Pipit --Pipit Hill (Richard Stevens) first 9/28


Archuleta County
++++Pagosa Springs & area
Lewis's Woodpecker (1) --Vista Pond (Ben Bailey:Byron Greco) last 10/2

Chaffee County
Chaffee County
Lewis's Woodpecker (2) --125 N. Pleasant Avenue (Stevens) last 10/3
Pinyon Jay (2) --Buena Vista Overlook (Stevens) 4; last 10/3

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

Garfield County
++++Rifle Gap Reservoir
Pinyon Jay (30) (JoAnn Potter Riggle) first 10/3

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

Lake County
++++Independence Pass
White-tailed Ptarmigan (Richard Stevens) first 10/3
Brown-capped Rosy Finch (3) (Richard Stevens) first 10/3

Mesa County
++++Connected Lakes State Park Area
Black Phoebe (Adam Cupito) first 10/3
Nashville Warbler (Adam Cupito) first 10/2
++++Colorado River State Park (Fruita section)
Sage Thrasher (3) (Mike Henwood) first 10/3
White-throated Sparrow (Henwood) last 10/3
Sagebrush Sparrow (3) (Henwood) last 10/3
++++Redlands Parkway Ponds
Black Phoebe (David Price/Mike Henwood) (first 8/26) last 10/2
++++Highline Lake State Park
Sagebrush Sparrow (6) (David Price) first 10/2

Montezuma County
++++Hawkins Preserve
Gray Flycatcher (Erik Hendrickson) (first 9/26) last 10/1

Montrose County
++++Airport Lake Area
Sage Thrasher (Dexter:Wright) last 10/3
Sagebrush Sparrow (6) --Rose Garden (Dexter:Wright) (first 9/25) 1; last
Pinyon Jay (52) --East 5th Avenue (Dexter:Wright) last 10/3
++++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

Park County
++++Antero Reservoir
Jaeger (Stevens) first 10/2
++++Spinney Mountain
Red-necked Grebe (Stevens) first 10/2
++++Eleven Mile State Park
Sage Thrasher (Stevens) first 10/2
Chestnut-collared Longspur (Stevens) last 10/2

Summit County
++++Dillon Reservoir
Yellow-billed Loon (adult) (Jack & Ryan Bushong/Phil Lyon) (first 9/30)
(photographed, 1st county record)
Common Loon (Tyler Stewart/Phil Lyon) (first 10/1) last 10/2
(all above: Blue River Inlet to Reservoir)

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
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