Date: 6/13/18 3:40 am
From: Amy Davenport <cobussec...> [cobirders] <cobirders-noreply...>
Subject: [cobirders] Colorado Rare Bird Alert for June 13, 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: 6/12/2018
Adams (Mountain Plover, Burrowing Owl)
Adams/Denver (Burrowing Owl)
Arapahoe (Yellow-billed Cuckoo, Cassin's Kingbird, Northern Mockingbird,
Burrowing Owl)
Boulder (Tricolored Heron, Little Blue Heron, Least Flycatcher, Red-eyed
Vireo, Lewis's Woodpecker)
Clear Creek/Summit (White-winged Crossbill)
Eagle (American Three-toed Woodpecker)
El Paso (Red-headed Woodpecker)
Elbert (Red-headed Woodpecker)
Gunnison (Pacific Loon)
Huerfano (Lewis's Woodpecker, Hepatic Tanager)
Jefferson (Williamson's Sapsucker)
Jefferson/Douglas (Least Flycatcher, Red-eyed Vireo)
Larimer (White-tailed Ptarmigan, Brown-capped Rosy Finch)
Mesa (American Three-toed Woodpecker, Gray Vireo, Sagebrush Sparrow,
Scott's Oriole)
Ouray (Black Swift)
Park (Common Loon)
Pueblo (Yellow-throated Warbler, Burrowing Owl)
Weld (Black Rail)


Adams County
++++Eastern Adams County Map
Mountain Plover
(adult & young) --160th avenue/1.7 miles west/Piggot Road
(Stevens/Michaels) (first 6/1) adult; last 6/12
(1) --Bradbury-Krebs/104th avenue (Cynthia Madsen/Michaels) (first 5/31)
last 6/12
(1) --160th avenue/0.4 miles west/Yule Road (Terry Michaels) first 6/12
Burrowing Owl (3) --160th avenue/0.5 miles/west/Yellow Jacket Road
(Madsen/Michaels) (first 5/31) last 6/12

Adams/Denver Counties
++++DIA Owl Loop
Burrowing Owl
(1) --Gun Club Road/south/112th avenue (Jake Shorty) last 6/12

Arapahoe County
++++Richmil Ranch Open Space & Area Map
Yellow-billed Cuckoo --Middle Bijou Creek/CR 40 (Terry Michaels) first
Cassin's Kingbird (6) (Suddjian/Michaels) (first 5/28) 3; last 6/12
Northern Mockingbird (4) (Stevens/Michaels) (first 6/1) last 6/12
++++Eastern Arapahoe County Map
Burrowing Owl --CR 30, 0.2 miles/east/CR 149 (Terry Michaels) (first 4/1)
2; last 6/12
Burrowing Owl (3) --CR 129, 0.7 miles/south/Orchard Road
(Stevens/Michaels) (first 4/27) 3; last 6/12

Boulder County
++++Walden Ponds & Boulder Creek Map
Tricolored Heron (Joyce Takamine/Luke Pheneger & all) (first 6/9) last
Little Blue Heron (adult) (Shelby Thomas/Luke Pheneger & all) (first 6/4)
last 6/12
Little Blue Heron (Joel Such/Luke Pheneger & all) (first 6/11) last 6/12
(Above: Cottonwood Marsh)
Least Flycatcher (Rebecca Laroche:Diane Roberts/Mlodinow) (first 6/6)
last 6/12
Caspian Tern --flyover (Laroche & all) first 6/11
Eastern Phoebe --Boulder Crk/west/75th Street (Norm Lewis/Stevens) (first
3/31) last 6/11
++++Marshall Mesa Map
Red-eyed Vireo --Marshall Marsh (Luke Pheneger/Richard Pautsch) (first
5/23) last 6/12
Eldorado Mountain Open Space Map
Lewis's Woodpecker (Alexander Brown) first 6/12
++++Pella Crossing Area
Bobolink --southeast corner/past 1st pond (Carl Starace/Stevens) (first
5/10) 3; last 6/11
Red-eyed Vireo --between Sunshine & Marshall Ponds (Stevens) first 6/11
++++Boulder Open Space Office & area
Bobolink (2) (Elena Klaver/Stevens) (first 6/2) last 6/11
++++Crane Hollow Road
Eastern Phoebe --Crane Hollow Road (David Dowell/Richard Stevens) (first
5/22) 3; last 6/11
++++Golden Ponds
Red-eyed Vireo (David Dowell/Luke Pheneger) (first 5/14) last 6/11
++++Old St. Vrain Road & Area
Red-eyed Vireo (Sue Riffe) first 6/11
++++Gregory Canyon
Ovenbird (David Waltman/Peter Burke) (first 5/31) last 6/10

Douglas County
++++Castlewood Canyon Road
Ovenbird --Creekside Trail (Richard Stevens/Karen Metz) (first 5/11) last
Indigo Bunting (Chris Gilbert/Karen Metz) (first 5/28) last 6/11
Bobolink (2) --south/Winkler Ranch entrance (Loch Kilpatrick/Diane
Roberts) (first 5/15) last 6/7

El Paso County
++++Ramah Wildlife Area Map
Red-headed Woodpecker (Alan Versaw) first 6/12
++++Squirrel Creek Road Area
Dickcissel --Shumway Road (Driscoll/Tanja Britton) (first 5/28) 2; Tanja
Britton) last 6/10
++++Adams Open Space
Mississippi Kite (Tanja Britton) last 6/10

El Paso/Pueblo Counties County
++++Chico Basin Ranch (fee area)
Cassin's Kingbird --banding station (Norm Lewis) last 6/11

Elbert County
++++County Road 154 Map
Red-headed Woodpecker (Brian Johnson) first 6/12

Huerfano County
++++Santa Clara Creek (CR 310) Map
Lewis's Woodpecker (David Suddjian) first 6/12
Hepatic Tanager (Diane Roberts:David Suddjian) first 6/12

Jefferson County
++++Staunton State Park Map
Williamson's Sapsucker (3) (Ben Sampson/Myron Gerhard) (first 4/22) 2;
last 6/12
++++Deer Creek area/South Valley Park
Eastern Phoebe (2) --Deer Creek at Buckhorn Road (David Suddjian) last
Least Flycatcher (2) --Deer Creek at Buckhorn Road (Paulo & Santiago
Tabares) first 6/10
Ovenbird (2) --Highgrade Road, see map (Myron Gerhard/Mark Chavez) (first
5/16) last 6/9
++++Stony Pass Road
Lewis's Woodpecker (Frank Farrell/Mark Chavez) (first 6/1) 5; last 6/10
Red-headed Woodpecker (2) (Mark Chavez:Frank Farrell) last 6/10
Williamson's Sapsucker (Chavez:Farrell) last 6/10

Jefferson/Douglas Counties County
++++Chatfield Reservoir Map
Least Flycatcher --Audubon Center trails (Cynthia Kristensen) 2; last 6/12
Red-eyed Vireo (3) --Audubon Center trails (Cynthia Kristensen) first 6/12

Larimer County
++++Rocky Mountain National Park
White-tailed Ptarmigan
(1) --Medicine Bow Curve (Carl Bendorf/Stevens) (first 5/30) 2; last 6/12
(1) --Rockcut Trail (David Dowell/Stevens) (first 6/3) last 6/12
Brown-capped Rosy Finch
(2) --Lava Cliffs (Amy Boggan/Stevens) (first 6/10) last 6/12
Boreal Owl --Hidden Valley (Stevens) first 6/11
Northern Pygmy-Owl --Cow Creek trail (Stevens) last 6/11
Flammulated Owl --Cow Creek trail (Stevens) first 6/11
++++Bobcat Ridge Natural Area
Lewis's Woodpecker (Andy Bankert) last 6/11
Eastern Bluebird (2) (Bankert) last 6/11
++++Oxbow Natural Area
Eastern Phoebe (Richard Sparks/Denise Bretting) (first 5/5) 2; last 6/11
County Road 5 near Rawhide Reservoir
Burrowing Owl --CR 5/north of Buckeye Road (Doyle/Jay Breidt) (first
4/27) last 6/11
Cassin's Sparrow (2) (Georgia Doyle) (first 6/2) 3; last 6/11
Northern Mockingbird (2) (Georgia Doyle) (first 6/2) last 6/10
++++Fossil Creek Reservoir
Green Heron (Caroline Olson:Andy Bankert) first 6/11
++++Prospect Ponds Natural Area
Little Blue Heron (Jay Breidt) first 6/11
Green Heron (Breidt) last 6/11
++++Riverbend Ponds Natural Area & Poudre River Trail
Green Heron (Sue Emond/Jay Breidt) (first 5/22) last 6/10
++++County Road 5 near Rawhide Reservoir
Burrowing Owl --CR 5/north of Buckeye Road (Doyle/Nick Komar) (first
4/27) last 6/10
Northern Mockingbird (2) (Georgia Doyle) (first 6/2) last 6/10
++++Soapstone Prairie Natural Area
Baird's Sparrow (up to 5) --see directions (Andy Bankert/Josh Bruening)
(first 5/16) 2; last 6/9
++++CR 16W/ West of Ryan Gulch Reservoir
Dickcissel (Dan O'Donnell/Fortune:Bretting) (first 6/8) 3; last 6/9
Bobolink (5) (Irene Fortune:Denise Bretting) first 6/9

Pueblo County
++++Mineral Palace Park area Map
Yellow-throated Warbler (2) --16th & Court (Van Truan/Percival) (first
4/26) last 6/12
++++IL Road (CR 601) Map
Burrowing Owl (2) (Chris Selvig) first 6/12

Weld County
++++Lower Latham Reservoir
Black Rail --south & north sides of CR 48 (Doug Faulkner/Mlodinow) (first
6/2) 1; last 6/12
(would be 4th & 5th Weld Cty historical record; Colorado Bird Records
Board has an additional five unconfirmed sightings)
++++Pawnee National Grasslands area
Cassin's Kingbird
(1) --CR 59 (Gavin Aquila) first 6/10
Mountain Plover
(7) --CR 100/west/Hwy 390 (Gregoriah Hartman/Bill Schreitz) (first 4/7)
8; last 6/9
(6) --CR 89/south/CR 100 (Amy Boggan) first 6/9
Burrowing Owl
(2) --CR 100/west/Hwy 390 (Bill Schreitz) first 6/9
Chestnut-collared Longspur
(4) --CR 21/south/CR 118 (Amy Boggan) first 6/9
Cassin's Sparrow
(10) --CR 96/east/CR 69 (Josh King/Stacey) (first 6/5) last 6/7


Baca County
++++Cottonwood Canyon
Rufous-crowned Sparrow (Stevens:Michaels) last 6/6
Eastern Phoebe (2) (Stevens:Michaels) (first 3/8) last 6/6
Western Screech-Owl (Stevens:Michaels) last 6/6

Las Animas County
++++Johnson Canyon
Greater Roadrunner (3) (Mlodinow) first 6/10
Ladder-backed Woodpecker (Mlodinow) first 6/10
Gray Vireo (5) (Mlodinow) first 6/10
Hepatic Tanager (Mlodinow) first 6/10
++++Purgatorie River/west/Alejandro Canyon
Yellow-billed Cuckoo (3) (Steve Mlodinow) first 6/9
Black-throated Sparrow --Alejandro Canyon (Mlodinow) first 6/9
Hepatic Tanager --Alejandro Canyon (Mlodinow) first 6/9
Summer Tanager --Alejandro Canyon (Mlodinow) first 6/9


Logan County
++++Highway 138
Upland Sandpiper (Bez Bezuidenhout/Christine Alexander) (first 6/3) 5;
last 6/9
(Latest: east of CR 85; can be anywhere east of Crook to CR 95)
++++Tamarack Ranch Wildlife Area
Red-headed Woodpecker (5) (Christine Alexander) last 6/9
Red-bellied Woodpecker (Christine Alexander) last 6/9
Eastern Towhee (Alexander) reported 6/9
Bell's Vireo --western section (Stevens:Michaels/Alexander) (first 5/18)
2; last 6/9
Red-eyed Vireo (2) (Alexander) first 6/9
American Redstart (Alexander) first 6/9
Northern Cardinal (Alexander) last 6/9

Morgan County
++++County Road 4
Burrowing Owl (Beauchamp) first 6/10
Cassin's Sparrow (2) (Robert Beauchamp) first 6/10


Archuleta County
++++Pagosa Springs & area
Lewis's Woodpecker (1) --Lewis Street (Ben Bailey) first 6/11
++++Navajo Reservoir
Black Swift (David Tonnessen) first 6/10
Pinyon Jay (21) (Tonnessen) first 6/10
++++Garcia Canyon
Mexican Whip-Poor-will (possible 2 locations, audio captured) (Terry
Michaels:Richard Stevens) first 6/10
++++Fosset Gulch Road
Grace's Warbler (5) (Stevens:Michaels) first 6/9
++++Lower Piedra Campgrounds
Hooded Warbler (Terry Michaels:Richard Stevens) first 6/8

Clear Creek County
++++Mt. Evans Road
Barrow's Goldeneye --Echo Lake (Nathan Senner/Jackson Trappett) (first
5/2) 2; last 6/11
Brown-capped Rosy Finch (3) --northwest corner/Summit Lake
(Stevens:Michaels/Harriman) (first 5/30) last 6/9
White-tailed Ptarmigan (2) --east/Summit Lake parking lot
(Stevens:Michaels/Washburn:Thompson) (first 5/30) last 6/4

Clear Creek/Summit Counties
++++Shrine Pass Map
White-winged Crossbill (male) (Jay & Jean Harrison) first 6/12
++++Loveland Pass
White-tailed Ptarmigan (1) (Eric Huish) last 6/9

Delta County
++++Fruitgrower's Reservoir
Black Phoebe (David Tonnessen) first 6/8
Black-throated Sparrow (David Tonnessen) first 6/8
Indigo Bunting (Tonnessen) first 6/8

Dolores County
++++County Road 38
American Three-toed Woodpecker --north/hwy 145 (David Tonnessen) first 6/8
++++CR 145
Grace's Warbler (Tonnessen) first 6/8

Eagle County
++++Sylvan Lake State Park Map
American Three-toed Woodpecker (Jay & Jean Harrison) last 6/12

Fremont County
++++MacKenzie Avenue, Canon City
Dickcissel (12) --see map (Setta Moss) (first 6/10) last 6/11
++++Skyline Drive & Park
Black-throated Sparrow (Jerry DeBoer) (first 5/4) last 6/11
++++Florence River Park
Black Phoebe (Norm Lewis) last 6/10
Curve-billed Thrasher (Norm Lewis) last 6/10

Garfield County
++++Hanging Lake
Black Swift (2) (Josh King) first 6/11
Barrow's Goldeneye (2) (Greg Richardson/Josh King) (first 5/24) last 6/11

Gunnison County
++++Blue Mesa Reservoir Map
Pacific Loon --at East Elk Creek inlet (Eric Wood) first 6/12

Hinsdale County
++++Slumgullion Pass
White-winged Crossbill (male) (Stevens:Michaels) first 6/10
Boreal Owl (2 locations) (Stevens:Michaels) first 6/10

Jackson County
++++Colorado State Forest Area
Willet (3) --Visitor's Center (Greg Fleming) first 6/11
++++County Road 20
White-winged Crossbill (2) (Joe Gyekis) first 6/9

La Plata County
++++56, Deep Creek Court, Durango
Grace's Warbler (2) (Pablo Quezada) first 6/11
++++Wildcat Canyon (Rafter J)
Lewis's Woodpecker (Pablo Quezada) first 6/10
Acorn Woodpecker (Pablo Quezada) 3; last 6/10

Mesa County
++++Grand Mesa (Hwy 65) Map
American Three-toed Woodpecker (1) --Hwy 65/CR 100 (Denise & Mark
Vollmar) first 6/12
++++Brewster Ridge area Map
Gray Vireo (2) (Gwen Moore/Pablo Quezada) (first 5/26) last 6/12
Sagebrush Sparrow --Brewster's Ridge/Bar X Wash (Pablo Quezada) last 6/12
Scott's Oriole (2) (Pablo Quezada) first 6/12
++++Colorado National Monument
Black-throated Sparrow --Devil's Kitchen (7) (Eric Wood) last 6/10
++++Rabbit Valley
Scott's Oriole (Mike Henwood/Loch Kilpatrick) (first 5/24) last 6/9
++++Uncompahgre Plateau
Grace's Warbler (2) --divide forks Campgrounds (Loch Kilpatrick) first 6/9
++++Horsethief Canyon Wildlife Area
Black-throated Sparrow (David Price/Denise & Mark Vollmar) (first 4/27)
last 6/9

Moffat County
++++Dinosaur National Monument
California Quail (Loch Kilpatrick) last 6/8

Montezuma County
++++Yellow Jacket Canyon
Lucy's Warbler (up to 7) (CoBus group/Pablo Quezada) (first 4/17) 1; last
Summer Tanager (adult male) (Susan Allerton/Quezada) (first 4/24) last
Summer Tanager --CR G (Quezada) first 6/11
Black-throated Sparrow (2) (Quezada) 2; last 6/11
++++Bauer Lake
Black Swift (29) (at least 2 county records; CBRB) (David Tonnessen/Pablo
Quezada) (first 6/9) 20; last 6/11
Lewis's Woodpecker (Mark Amershek/Tonnessen) (first 5/10) last 6/9
Chimney Swift (at least 3 county Records; CBRB) (Tonnessen) first 6/9
Purple Martin (2) (Tonnessen) first 6/9
Black Phoebe (Tonnessen) first 6/9
++++Highway 160, west of CR 39
Lewis's Woodpecker (2) (Eric Hough) first 6/9

Montrose County
++++Nucla Town Reservoir
Black Phoebe (2) (Coen Dexter:Brenda Wright) (first 4/16) 2; last 6/11
++++Nucla Sewer Ponds
Lesser Nighthawk (male) (Dexter:Wright) (first 6/9) last 6/10
++++Old Hwy 90 through Silver Hawk Ranch
Indigo Bunting (Coen Dexter:Brenda Wright) (first 5/15) last 6/10

Ouray County
++++Ouray and Box Canyon Falls Map
Black Swift (Niler Pyeatt/Jason St. Pierre) (first 5/31) 12; last 6/12

Park County
++++Antero Reservoir
Common Loon (Gary Koehn) reported 6/12
Greater Scaup (Male) (David Tonnessen) first 6/11
Caspian Tern (Tonnessen) first 6/11

San Miguel County
++++Lizard Head Pass & Trout Lake
Purple Martin --Trout Lake (Eric Hough) first 6/9

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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