Date: 7/17/17 3:42 am
From: Amy Davenport <cobussec...> [cobirders] <cobirders-noreply...>
Subject: [cobirders] Colorado Rare Bird Alert for July 17, 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: With the many reports coming in daily this spring, RBA will reflect
daily sightings, not long term sightings, visit Colorado Birding Society's
website everyday!

Reports added: 7/16/2017
Adams (Eastern Phoebe, Burrowing Owl, Sage Thrasher)
Adams/Denver (Burrowing Owl)
Alamosa (Snowy Plover, Sage Thrasher, Sagebrush Sparrow)
Bent (Burrowing Owl)
Cheyenne (Cassin's Sparrow)
Clear Creek (Barrow's Goldeneye, American Three-toed Woodpecker)
Douglas (Ovenbird, American Three-toed Woodpecker)
Eagle (Lewis's Woodpecker, Bobolink)
Fremont (Yellow-billed Cuckoo, Black Phoebe, Dickcissel)
Garfield (Barrow's Goldeneye)
Gunnison (Gunnison Sage-Grouse)
Huerfano (Grace's Warbler, Hepatic Tanager)
Jefferson (Red-headed Woodpecker)
Kiowa (Burrowing Owl)
Larimer (White-tailed Ptarmigan, Brown-capped Rosy Finch)
Las Animas (Lewis's Woodpecker, Purple Martin, Pinyon Jay, Dickcissel)
Otero (Dickcissel)
Pueblo (Eastern Phoebe, Curve-billed Thrasher)
Summit (Dusky Grouse, Lark Bunting)
Washington (Marbled Godwit, Yellow-billed Cuckoo, Great Crested Flycatcher,
Red-headed Woodpecker, Red-eyed Vireo)
Weld (Dickcissel, Burrowing Owl)

NOTE: Partial results of the CoBus Groups Western Slope bird breeding
survey have been added to RBA.
Full lists are on website. Members of the CoBus Groups are listed on the
CoBus Trip Blog as individual groups change daily.


Adams County
++++Rocky Mountain Arsenal
Eastern Phoebe --bridge into enclosed Wildlife Drive (Stevens:Kosten)
first 7/16
Burrowing Owl (4, 2 locations) (Stevens:Kosten) (first 3/31) 2; last 7/16
(new wildlife drive: near mile 8 mark; also mile 5 area)
Sage Thrasher --just inside west end of enclosed drive (Stevens:Kosten)
first 7/16

Adams/Denver Counties
++++DIA Owl Loop
Burrowing Owl
(2) --Gun Club Road/south/CR 112 (Stevens/Donald Kautz) (first 5/5) last
(2) --Trussville Road & 114th Avenue (Michaels/Miller:Davenport) (first
4/26) 1; last 7/16
(3) --prairie dog town at W. Cargo Road & Third Creek
(Stevens/Miller:Davenport) (first 3/15) 2; last 7/16

Arapahoe County
++++Eastern Arapahoe County
Cassin's Kingbird
(1) --CR 42/0.5 miles east/CR 161 (Bezuidenhout) last 7/15
(2)--CR 42 (Stevens:Michaels/Tom Jenkins) (first 5/6) last 7/14
Northern Mockingbird (2) --CR 42 (Terry Michaels/Tom Jenkins) (first
5/13) last 7/14
(CR 42 birds at hill cut approx. 1.0 miles east of CR 161)
Upland Sandpiper (Tom Jenkins) (first 7/7) last 7/14
(--CR 30, 0.9 miles west of South Lookout Hill Street)
Burrowing Owl
(6) --CR 129, 0.7 miles south of Orchard Road
(Petrosky:Davenport/Jenkins) (first 6/30) last 7/14
(1) --CR 30, east of CR 149, just west of oil building
(Stevens:Kosten/Jenkins) (first 5/5) last 7/14
(2) --across from 1955 CR 157(Strasburg Rd) (Tom Jenkins) first 7/14

Boulder County
++++Eldorado Mountain Open Space
Rose-breasted Grosbeak (Willem van vliet) first 7/15
Ovenbird (Christian Nunes) first 7/12
++++Wild Basin Section of Rocky Mountain National Park
Black Swift
(1) --Camper Cutoff to Bluebird Lake Trail (Kathy Mihm-Dunning) first 7/14
(1)--on nest at Ouzel Falls (Peter Gent) first 6/30

Douglas County
++++Roxborough State Park
Ovenbird (Bea Weaver/Jill Holden) (first 5/25) 1; last 7/16
++++Castlewood Canyon State Park
American Three-toed Woodpecker --Inner Canyon/Lake Gulch Loop (Hugh
Kingery) first 7/16
Bobolink --south of Winkler Ranch entrance (Stevens/Tom Jenkins) (first
5/15) 1; last 7/15
(along Cherry Creek, east of Bluebird Box 14, approx. 1.2 miles north of
Lake Gulch Road)
Ovenbird --Inner Canyon/Lake Gulch (Stevens/Jenkins) (first 5/15) 1; last
++++Greenland Open Space & Spruce Mountain Open Space
Dickcissel --Spruce Meadows Road (Christine Alexander/Kevin Corwin)
(first 7/2) 1; last 7/11

El Paso County
++++Ramah Wildlife Area
Semipalmated Plover (5) (Alan Versaw) first 7/15
Red-headed Woodpecker (Versaw/Versaw) (first 6/21) 1; last 7/15
Dickcissel (2) (Hinds/Versaw) (first 6/24) 20; last 7/15
(On 7/9: two in north area, west of parking lot, NW corner; three south
of reservoir)
++++Squirrel Creek Road Area
Cassin's Sparrow
(3) --see map(Bezuidenhout/David Tonnessen) (first 5/6) 13; last 7/14
(2) --Bar 10 Road (David Tonnessen) (first 5/13) 14; last 7/14
++++Ute Valley Park
Ash-throated Flycatcher (Cathy Bondy) 2; last 7/14
++++Cheyenne Mountain Park
Ovenbird (15) (Deborah Barnes/Dan & Cheryl Hubbard) (first 5/13) 1; last
Dickcissel (2) (Dan & Cheryl Hubbard/Versaw) (first 6/23) last 7/13

Huerfano County
++++Rouse Road
Grace's Warbler (2) (Matt Clark:Sue Bonfiglio) first 7/16
Hepatic Tanager (2) (Clark:Bonfiglio) first 7/16
++++Santa Clara Creek
Hepatic Tanager (Wood:Barry/Luke & Tracy Pheneger) (first 5/13) 2; last

Jefferson County
++++Stony Pass Road
Red-headed Woodpecker --at Wigwam Creek (Norm Lewis) 1; last 7/16
++++Genesee Mountain Park
Williamson's Sapsucker (2) (Richard Stevens/Hugh Kingery) (first 3/10) 1;
last 7/15
++++Waterton Canyon
Eastern Phoebe --up to overhead pipes (Norm Lewis) first 7/13

Jefferson/Douglas Counties
++++Chatfield Reservoir area
Eastern Phoebe (3) --upstream/Kingfisher Bridge (Ted Uhlemann) last 7/15
Least Flycatcher --upstream/Kingfisher Bridge (Gwen Moore) 4; last 7/12

Las Animas County
++++County Road 42
Lewis's Woodpecker (7) (Kara Carragher) first 7/16
Purple Martin (2) (Carragher) first 7/16
Dickcissel (Carragher) first 7/16
++++Mavaracio Canyon
Pinyon Jay (Clark:Bonfiglio) first 7/16
Dickcissel (Clark:Bonfiglio) first 7/16

Larimer County
++++Coyote Ridge Natural Area
Burrowing Owl (up to 5) (Komar/Dan O'Donnell) (first 5/5) 2 adult; last

++++Rocky Mountain National Park
White-tailed Ptarmigan
(2) --Medicine Bow Curve (Marion Warren/Denise Bretting) (first 6/5) 1;
last 7/16
Brown-capped Rosy Finch
(2) --Lava Cliff pullover (Warren/Bretting) (first 6/5) last 7/16
American Three-toed Woodpecker
(1) --Endovalley (Richard & Christine Sparks) last 7/15
(1) --Endovalley (Tony Moline) last 7/14
++++Cobb Lake
Long-eared Owl (Andy Bankert) first 7/15
++++Lily Lake
Williamson's Sapsucker (Dan O'Donnell/Tony Moline) (first 4/6) 2; last
++++Soapstone Prairie Natural Area
Baird's Sparrow (6) --see directions (Walter Wehtje:Erin Youngberg/Jean
Olson) (first 5/15) 1; last 7/8
(Approximately 1/2 mile north of Pronghorn Loop & Plover Trail

Pueblo County
++++Valco Ponds
Eastern Phoebe (3) (Mark Yaeger) (first 6/18) 1; last 7/16
Curve-billed Thrasher (Yaeger) last 7/16

Weld County
++++Behrens Reservoir
Dickcissel (1) (Gene Rutherford) first 7/16
++++Pawnee National Grasslands area
Burrowing Owl
(2) --Hwy 14, east of CR 155 (Jared Hollick) first 7/16
--CR 100/west/CR 390/east/CR 99 (Lefko/Kilpatrick) (first 4/15) 10; last
--CR 100/west/CR 390/east/CR 99 (Lefko/Kilpatrick) (first 4/15) 10; last
Long-billed Curlew --CR 77/north/CR 116 (Elaine Hendricks) first 7/15
Semipalmated Plover (3) --CR 77/north/CR 116 (Loch Kilpatrick) first 7/15
Mountain Plover
(7) --CR 100/west/CR 390 & east/CR 99 (Gary Lefko/Kilpatrick) (first
4/15) 3; last 7/15
Chestnut-collared Longspur
(5) --CR 49/south/CR 116 (Kilpatrick) first 7/15
(1) --CR 114/just west/CR 69 (Duberstein) last 7/14
(1) --CR 77/north/CR 116 (Kilpatrick) first 7/15
++++Klug Reservoir #3
Caspian Tern (Renee Casias) reported 7/15


Bent County
++++CR 20, John Martin Reservoir area
Burrowing Owl (6) --south of hwy 50 (Tom O'Connell) first 7/16

Kiowa County
++++Sheridan Lake
Burrowing Owl
(2) --Town area (Gloria Nikolai) first 7/16
(28) --Hwy 385, north of CR W (Nikolai) first 7/16
++++Upper & Lower Queens Reservoir areas
Laughing Gull --Lower Queens (Walters:Mlodinow/Cheryl Teuton) (first 7/9)
last 7/15
Caspian Tern --Lower Queens (Teuton) first 7/15

Otero County
++++County Road 30
Dickcissel (3) (Setta Moss) first 7/16


Cheyenne County
++++Wild Horse Area
Cassin's Sparrow (3) (Gloria Nikolai) first 7/16

Kit Carson County
++++Flagler Reservoir
Dickcissel (3) (Ivy Doak) first 7/15

Logan County
++++Tamarack Ranch Wildlife Area
Northern Cardinal (Michelle Puplava) 5; last 7/15
Indigo Bunting (3) (Bushong/Puplava) (first 7/11) last 7/15

Washington County
++++Prewitt Reservoir
Marbled Godwit (5) (Steve Mlodinow) first 7/16
Red-headed Woodpecker (7) (Mlodinow) last 7/16
Yellow-billed Cuckoo (4) (Mlodinow) first 7/16
Great Crested Flycatcher (Mlodinow) first 7/16
Red-eyed Vireo (Mlodinow) first 7/16


Alamosa County
++++Blanca Wetlands
Snowy Plover (5) (Daniel Toronto:Leah Dodd) first 7/16
Sage Thrasher (2) (Toronto:Dodd) first 7/16
Sagebrush Sparrow (1) (Toronto:Dodd) first 7/16
++++Lake Como
American Three-toed Woodpecker (Richard Trinkner) first 7/12

Archuleta County
++++Navajo Reservoir
Black Phoebe (2) --upstream (Bailey:Greco/Bailey) (first 3/28) last 7/15
++++Pagosa Springs
Lewis's Woodpecker
(4) --San Juan Riverwalk (Ben Bailey) last 7/13
(1) --Yamaguchi Trail (Ben Bailey) first 7/13
(2) --North 5th & Loma (Byron Greco) (first 4/18) 3; last 7/12
++++Pinon Lake Reservoir
NOTE: the Trumpeter Swan here is considered a tame bird

Chaffee County
++++CR 128/Poncha Springs
Dickcissel (2) (Christian Hagenlocher/Brandon Percival) (first 7/14) 6;
last 7/15
++++Sands Lake Wildlife Area
Barrow's Goldeneye (8) (Gwen Moore/Percival) (first 11/13) male; last

Clear Creek County
++++Mt. Evans Road
Barrow's Goldeneye (2+) --Echo Lake (Dave King/Elaine Hendricks) (first
5/11) 7; last 7/16
American Three-toed Woodpecker --Echo Lake (Fontenot:Bezuidenhout) first
Brown-capped Rosy Finch (2) --north side/Summit Lake (Michaels & all/Leo
Edson) (first 6/12) last 7/14
White-tailed Ptarmigan --east of Summit Lake (Michaels & all/Jenkins)
(first 6/12) last 7/9
American Three-toed Woodpecker --Campgrounds (Dave King/Jenkins) (first
6/11) last 7/9
++++Cloudland Picnic Ground
American Three-toed Woodpecker --Hwy 103 (Myron Gerhard/Chuck Aid) (first
7/11) last 7/13
++++Guanella Pass
American Three-toed Woodpecker --Silver Dollar Trail (Frank Farrell) last

Conejos County
++++Highway 17, west of Antonito
Gray Vireo (Jan Allen) first 7/15
Pinyon Jay (4) (Allen) first 7/15

Delta County
++++Grand Mesa South (see Mesa Cty)
Purple Martin (2) --Little Bear Campgrounds (CoBus Groups) first 7/12
American Three-toed Woodpecker --north of Visitor's Center (CoBus Groups)
last 7/12
White-winged Crossbill (2) --0.7 miles/east/Visitor's Center (CoBus
Groups) first 7/12
Dusky Grouse (3) (CoBus Groups) first 7/12
Boreal Owl (2) --north/Visitor's Center (CoBus Groups) first 7/12
Boreal Owl (2) --Grand Mesa Lodge (CoBus Groups) last 7/11

Eagle County
++++Hooks Spur Road, El Jebel
Lewis's Woodpecker (5) (Van Remsen) first 7/16
++++Highway 6, Eagle
Bobolink --see map (Van Remsen) first 7/16
++++Basalt Wildlife Area
Lewis's Woodpecker --Two Rivers Road (Michael Emenaker) (first 6/15) last
Black-throated Gray Warbler --Two Rivers Road (Emenaker) first 7/15

Fremont County
++++Arkansas Riverwalk
Yellow-billed Cuckoo --MacKenzie to Raynolds Avenues (Joel Adams) first
Black Phoebe --Sells Pond to Raynolds area (Joel & Dale Adams) last 7/16
Dickcissel --15th Street (Setta Moss) first 7/16
++++Highway 120
Black Phoebe --see map (Rich Miller) first 7/13
Greater Roadrunner --see map (Rich Miller) first 7/13
++++Holcim Wetlands
Green Heron --view from hwy only (Rich Miller) first 7/13

Garfield County
++++Grizzly Creek Rest Area
Barrow's Goldeneye (3) (Ty Sharrow) first 7/16

Gunnison County
++++Gunnison County Roads
Gunnison Sage-Grouse (5) --CR 38/north of CR 38A
(Stevens:Michaels/Brandon Percival) (first 6/25) 2; last 7/16

Jackson County
++++Eighteen Islands Reservoir
Willet (Beth Wolff) last 7/14
Sage Thrasher (3) (Wolff) last 7/14
Sagebrush Sparrow (6) (Wolff) first 7/14

La Plata County
++++Durango Trail to Junction Creek
Grace's Warbler (2) (Susan Allerton) first 7/12
++++Huck Finn Pond & Animas River Trail
Lewis's Woodpecker (Elyse Klingener) 4; last 7/12
++++Wildcat Canyon
Acorn Woodpecker (Susan Allerton) 3; last 7/7

Mesa County
++++Cameo/Coal Canyon
Chukar (2) Stevens & all/CoBus Groups) (first 3/3) 5; last 7/11
Black-throated Sparrow (2) (Hansen:Gabriel:Pitts/CoBus Groups) (first
4/4) 6+; last 7/11
Sagebrush Sparrow (Christine Alexander/CoBus Groups) (first 5/26) 2; last
++++Collbran Job Corp: PE Road
Least Flycatcher --see map (Mike Henwood/CoBus Groups) (first 6/20) last
++++Uncompahgre Plateau
Grace's Warbler
(2) --Carson Hole (Woodward:Harwood/Nic Korte) (first 5/27) 3; last 7/11
(1) --Jack's Canyon (Ron Lambeth/CoBus Groups) (first 5/29) 2; last 7/9
(2) --Telephone Trail (Drucker/CoBus Groups) (first 5/4) 2; last 7/9
Lewis's Woodpecker
(2) --Divide Forks Campgrounds (CoBus Groups) first 7/9
Flammulated Owl
(2) --Telephone Trail (CoBus Groups) last 7/9
(2) --Jack's Canyon (CoBus Groups) last 7/9
Boreal Owl
(2) --undisclosed (CoBus Groups) first 7/9
Purple Martin
(3) --see map (Woodward:Harwood/CoBus Groups) (first 7/8) 1; last 7/9
Flammulated Owl (2) --Windy Point (COBus Groups) first 7/8
American Three-toed Woodpecker (2) --Windy Point (CoBus Groups) first 7/8
Purple Martin (2) --Columbine Pass (CoBus Groups) first 7/8
Dusky Grouse (3) --Columbine Pass (CoBus Groups) first 7/8
American Three-toed Woodpecker (1) --Columbine Pass (CoBus Groups) first
Black Swift --CR 90/east/Divide Rd (Jason St. Pierre/CoBus Groups) (first
6/15) last 7/8
American Three-toed Woodpecker (2) --25 Mesa Road (CoBus Groups) first 7/8
++++Brewster Ridge area
Sagebrush Sparrow --CR 4/7+ miles/north/S road (CoBus Groups) last 7/10
Long-eared Owl --Bar X wash (CoBus Groups) last 7/10
++++Douglas Pass
Northern Saw-whet Owl (CoBus Groups) first 7/10
Flammulated Owl (3) (CoBus Groups) first 7/10
++++Colorado National Monument
Gray Vireo (2) --Devil's Kitchen (CoBus Groups) last 7/10
Black-throated Sparrow (10) --Devil's Kitchen (CoBus Groups) last 7/10

Montezuma County
++++Sand Canyon Trail
Pinyon Jay (3) (Boyce/Nathan Goldberg) (first 6/10) 80; last 7/12
Black-throated Sparrow (4) (Nathan Goldberg) last 7/12

Ouray County
++++Ouray and Box Canyon Falls
Black Swift (2) (Glenn Walbek/Chris Owens) (first 6/11) 4; last 7/11

San Miguel County
++++Forest Road 611 (Snow Creek)
Lewis's Woodpecker (2) (George Steele) first 7/14
Purple Martin (2) (George Steele) first 7/14

Saguache County
++++Penitente Canyon Recreation Area
Pinyon Jay (5) (John Cobb) first 7/15
++++Saguache County Road X
Dickcissel (2+) (Kathy Mihm-Dunning/John Cobb) (first 7/10) 5; last 7/15
(CR X near Saguache Creek)

Summit County
++++Shrine Pass
Dusky Grouse (3) (Van Remsen) first 7/16
Lark Bunting (Remsen) first 7/16

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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