Date: 6/29/18 3:14 am
From: Amy Davenport <cobussec...> [cobirders] <cobirders-noreply...>
Subject: [cobirders] Colorado Rare Bird Alert for June 29, 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: 6/28/2018
Arapahoe (Green Heron)
Boulder (American Redstart, Red-eyed Vireo)
Chaffee/Saguache (American Three-toed Woodpecker, Williamson's Sapsucker,
Purple Martin, Flammulated Owl)
Clear Creek (White-tailed Ptarmigan, Brown-capped Rosy Finch)
Eagle (Tundra Swan)
Garfield (Lewis's Woodpecker, Barrow's Goldeneye)
Gunnison (Purple Martin, American Three-toed Woodpecker, Dusky Grouse,
White-tailed Ptarmigan)
Jefferson (Marbled Godwit, Williamson's Sapsucker)
Kiowa (Common Loon, Long-billed Curlew)
La Plata (Lewis's Woodpecker, Cassin's Kingbird, Sagebrush Sparrow)
Larimer (White-tailed Ptarmigan, Green Heron)
Mesa (Bobolink, Dickcissel, Gray Vireo, Black-throated Sparrow, Lewis's
Woodpecker, Purple Martin, Grace's Warbler)
Pueblo (Cassin's Kingbird, Curve-billed Thrasher, Northern Mockingbird,
Cassin's Sparrow)


Arapahoe County
++++Parker Jordan Centennial Open Space
Green Heron (Cynthia Madsen) first 6/28
++++Richmil Ranch Open Space & Area
Northern Mockingbird (4) (Stevens/Gwen Moore) (first 6/1) 6; last 6/26
Cassin's Kingbird (6) (Suddjian/Stevens:Kosten) (first 5/28) 3; last

Boulder County
++++Warembourg Open Space Area
American Redstart (Ryan & Jack Bushong) first 6/28
++++Chautauqua Park
Red-eyed Vireo (Tom Hurley) first 6/28
++++Walden Ponds & Boulder Creek
Little Blue Heron (immature) (Joel Such/Ryan Bushong) (first 6/11) last
(Above: Cottonwood Marsh)
Eastern Phoebe --White Barn/Boulder Crk/75th Street (Norm Lewis/Cyndy
Johnson:Maureen Blackford) (first 3/31) last 6/23
++++Heil Ranch Open Space & area
Lewis's Woodpecker --straightaway (Luke Pheneger/Carl Starace) (first
5/30) last 6/27
++++Golden Ponds
Eastern Phoebe (Pheneger) (first 6/25) last 6/27
Green Heron (Carl Bendorf/Luke Pheneger) (first 5/21) last 6/25
Red-eyed Vireo (David Dowell/Pheneger) (first 5/14) last 6/25
++++Niwot Area and Gunbarrel Hill
Cassin's Sparrow (Luke Pheneger:Peter Burke/Chris Brown) (first 6/16)
last 6/27
++++Mesa South Trail
Chestnut-sided Warbler --southeast of parking lot (Dan Zmolek/Greg
Goodrich:Anna Troth) (first 6/16) last 6/26
Rose-breasted Grosbeak --see map (Cindy Martin/Robert Thoren) (first
6/21) last 6/26
++++Boulder Open Space Office & area
Bobolink (2) (Elena Klaver/Robert Thoren) (first 6/2) 2; last 6/25

Denver County
++++Bluff Lake Nature Area
Curve-billed Thrasher (James Kachline) first 6/25
Sage Thrasher (Dave King) first 6/25

Douglas County
++++East Plum Creek Trail
Red-eyed Vireo (2) (Cynthia Kristensen) first 6/27
++++Roxborough State Park
Chestnut-sided Warbler --Fountain Valley Trail (Wendi Fisher) first 6/26

Northern Mockingbird (Matthew Crawford) first 6/25

El Paso County
++++Hanover Road and area
Curve-billed Thrasher (4) (Tanja Britton:Jim Merritt) last 6/27

El Paso/Pueblo Counties
++++Chico Basin Ranch (fee area)
Barn Owl (Tanja Britton:Jim Merritt) last 6/27
Cassin's Sparrow (2) (Britton:Merritt) last 6/27
(above: banding station, El Paso County)
Ladder-backed Woodpecker (Britton:Merritt) last 6/27
Sage Thrasher (Britton:Merritt) first 6/27
(above: Headquarters, Pueblo County)

Jefferson County
++++Standley Lake
Marbled Godwit (6) (David Chernack) first 6/28
Willet (19) (David Chernack) first 6/27
Northern Mockingbird (David Chernack/Cody Russell) (first 6/4) 2; last
++++Staunton State Park
Williamson's Sapsucker (3) (Ben Sampson/Rebecca Laroche) (first 4/22)
last 6/28
++++Plainview Road
Dickcissel (Eric Defonso/Marky Mutchler:Meg Reck) (first 6/9) 1; last 6/27
(east of Plainview Road, mile from highway 72)
++++Deer Creek area/South Valley Park
Eastern Phoebe (2) --Deer Creek at Buckhorn Road (David Suddjian/Reed
Gorner) 1; last 6/26
++++Reynolds Park
Dusky Grouse (Adult Kees) 1; last 6/25

Larimer County
++++Rocky Mountain National Park
White-tailed Ptarmigan
(1) --Medicine Bow Curve (Carl Bendorf/Marky Mutchler) (first 5/30) 3;
last 6/28
--West Creek Falls trails (Bob & Margaret Rowe/Bez Bezuidenhout) (first
6/22) 4; 6/27
(one 100 yards up trail from junction with West Creek Falls
(two adults & on juvenile close to the junction)
American Three-toed Woodpecker
(1) --Hidden Valley (Nate Senner/Johanna Beam) (first 5/24) last 6/27
(1) --Rainbow Curve (Matt Hogan) first 6/26
(1) --Lake Irene (Candice Johnson) first 6/26
Black Swift
(4) --Wild Basin (Eric DeFonso/Dan Zmolek) (first 6/21) 7; last 6/27
++++CSU Environmental Learning Center to Cattail Chorus
Green Heron (Lori Zabel) first 6/28
++++Riverbend Ponds Natural Area & Poudre River Trail
Green Heron (Sue Emond/Jay Breidt) (first 5/22) last 6/27
++++Prospect Ponds Natural Area
Green Heron (Jay Breidt) (first 6/11) last 6/27
++++Rist Canyon
Flammulated Owl (Komar:Wade/Matt Hogan) first (first 6/25) last 6/26

Pueblo County
++++Swallows Road
Cassin's Kingbird (Zervos/MaryLynne Ketcham) first (first 6/18) last 6/28
Curve-billed Thrasher (Stevens:Michaels/Ketcham) (first 3/1) last 6/28
Northern Mockingbird (Ketcham) last 6/28
Cassin's Sparrow (2) (Gloria Nikolai/Ketcham) (first 6/18) last 6/28

Weld County
++++South Platte River at CR 60
Long-eared Owl (Mlodinow) first 6/26
Rose-breasted Grosbeak (Mlodinow) first 6/26
Indigo Bunting (Mlodinow) first 6/26
++++Lower Latham Reservoir
Black Rail --south & north sides of CR 48 (Doug Faulkner/Mlodinow) (first
6/2) 1; last 6/26
(would be 4th & 5th Weld Cty historical record; Colorado Bird Records
Board has an additional five unconfirmed sightings)
Dickcissel (Mlodinow) first 6/26
++++Weld County Road 59 Ponds
Burrowing Owl (2) (Mlodinow) last 6/26
++++Pawnee National Grasslands area
Burrowing Owl
(2+) --CR 100/mile/west/CR 19 (Gary Lefko) (first 6/21) last 6/27
(4) --CR 96/west/CR 77 (Johanna Beam) 1; last 6/26
(2) --CR 100/west/Hwy 390 (Duberstein) 6; last 6/21
Mountain Plover
(4) --Hwy 14/west/CR 89 (Delaney Kempf) last 6/26
(5) --CR 89/north/hwy 14 (Matthew Crawford/Steve Rash) (first 6/23) 2;
last 6/26
(1) --CR 96, east/CR 69 (Johanna Beam) last 6/26
(2+) --Hwy 14, btw CR 77/CR 79 (Beam) reported 6/26
(7) --Hwy 390/south/CR 100 (Justin Lawson) first 6/23
Chestnut-collared Longspur
(1) --CR 96/west/CR 77 (Johanna Beam) 6; last 6/26
(2) --Hwy 14/east/CR 77 (Johanna Beam) first 6/26
Cassin's Sparrow
(10) --CR 96/east/CR 69 (Josh King/Beam) (first 6/5) 2; last 6/26


Kiowa County
++++Upper & Lower Queens Reservoirs
Common Loon (Doug Faulkner) first 6/28
Long-billed Curlew (Doug Faulkner) first 6/28

Kit Carson County
++++Burlington Water Treatment Pond
Dickcissel (4) (Marky Mutchler) first 6/26

Prowers County
++++Fencerow, West of Hwy 385
Upland Sandpiper (2) --btw CR CC & CR X (Jane Stulp) first 6/26


Logan County
++++Highway 138
Upland Sandpiper (Bez Bezuidenhout) (first 6/3)
(Latest: CR 83/north/hwy 138 (2) (Susan Pellegrini) last 6/21


Archuleta County
++++Navajo Reservoir
Black Phoebe --Piedra Bridge Natural Walk (Byron Greco/Ben Bailey) (first
3/26) last 6/21
++++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

Chaffee County
++++Buena Vista Overlook
Northern Saw-whet Owl (3) (Stevens:Michaels) first 6/25-26
(BLM Land, north of Overlook)
Pinyon Jay (6) (Stevens:Michaels) last 6/26
++++Frantz Lake Wildlife Area
Eastern Phoebe (Sally Waterhouse/Stevens:Michaels) (first 6/24) 2; last
++++Brown's Canyon National Monument
Gray Flycatcher (Laroche/Rebecca Laroche:Diane Roberts) (first 5/20) last
Pinyon Jay (60) (Reid Hardin/Stevens:Michaels) (first 6/12) last 6/26
++++Chaffee County
Lewis's Woodpecker (1) --CR 350/west/Hwy 24 (David Orth-Moore) first 6/25

Chaffee/Saguache Counties
++++Marshall Pass
American Three-toed Woodpecker (4) Stevens:Michaels) first 6/28
Williamson's Sapsucker (2) (Stevens:Michaels) first 6/28
Purple Martin (2) (Stevens:Michaels) first 6/28
Flammulated Owl (2) (Stevens:Michaels) first 6/28
American Three-toed Woodpecker (3) (Stevens:Michaels) first 6/27
Williamson's Sapsucker (2) (Stevens:Michaels) first 6/27
Purple Martin (2) (Stevens:Michaels) first 6/27
Northern Saw-whet Owl (2) --O'Haver Lake (Stevens:Michaels) first 6/27
Flammulated Owl (4) (Stevens:Michaels) first 6/27

Clear Creek County
++++Guanella Pass
White-tailed Ptarmigan --Square Top Trail (Forrest Rowland) first 6/28
Brown-capped Rosy Finch (2) --Square Top Trail (Forrest Rowland) first
++++Mt. Evans Road
Barrow's Goldeneye --Echo Lake (Nathan Senner/Dave King & all) (first
5/2) 2; last 6/27
Brown-capped Rosy Finch (3) --northwest corner/Summit Lake
(Stevens:Michaels/Dave King & all) (first 5/30) 2; last 6/27
White-tailed Ptarmigan (2) --east/Summit Lake parking lot
(Stevens:Michaels/Dave King & all) (first 5/30) 1; last 6/27
American Three-toed Woodpecker --Echo Lake Campgrounds
(Stevens:Michaels/Dave King & all) (first 5/30) last 6/27
Ovenbird --Chicago Creek Road (Chris Wood) first 6/27
American Three-toed Woodpecker --Chicago Lakes--Idaho Springs Reservoir
(Chris Wood) first 6/27
Dusky Grouse --Chicago Lakes Trail 3s (Chris Wood) first 6/27

Clear Creek/Summit Counties
++++Loveland Pass
White-tailed Ptarmigan
(3) --summit (Colin Clark) last 6/25
(2) --west side (Scott Somershoe) last 6/22

Dolores County
++++Bradfield Bridge Campgrounds Site
Black Phoebe (2) (Glenn Dunmire/Ross Hubbard) (first 3/25) again 6/26

Eagle County
++++Spring Park Reservoir
Tundra Swan (Babs Buck) reported 6/28

Fremont County
++++MacKenzie Avenue, Canon City
Dickcissel (12) --see map (Setta Moss) (first 6/10) last 6/26
(latest: Grandview Avenue)
++++Brewster Lane & McCumber Lane, Florence
Dickcissel (4) (Setta Moss) (first 6/13) last 6/26

Garfield County
++++Blue Creek Open Space
Lewis's Woodpecker (3) (Bill Schmoker) first 6/28
++++County Road 155
Barrow's Goldeneye (1) --Lake of the Woods Overlook (Kathy Mihm-Dunning)
first 6/27
Barrow's Goldeneye (16) --Trappers Lake (Kathy Mihm-Dunning) first 6/27
++++White Owl Lake
Boreal Owl (2 heard) (Zerbi) last 6/24
Barrow's Goldeneye (2) (JoAnn Riggle/Vic Zerbi) (first 6/20) last 6/24

Gunnison County
++++Kebler Pass
Purple Martin --Traditional tree near mile 11 (Washburn:Thompson) 2;
first 6/28
American Three-toed Woodpecker (2) (Washburn:Thompson) first 6/28
Dusky Grouse 2; (Washburn:Thompson) first 6/28
++++Taylor Park Canyon
American Three-toed Woodpecker (Washburn:J. Thompson)) first 6/26
Band-tailed Pigeon (4) (Washburn:J. Thompson)) first 6/26
(All above: Lakeview Campgrounds)
++++Summit at Cottonwood Pass
White-tailed Ptarmigan (Washburn:Jamie Thompson) first 6/27
++++West Fork Cimmarron River
American Three-toed Woodpecker (Jon Horn) first 6/27
++++Jorgensen Park
Lewis's Woodpecker --west of Park (Washburn:J. Thompson) first 6/26

Hinsdale County
++++North Clear Creek Falls
Black Swift (Steve & Sue Whitmer) first 6/26

Jackson County
Greater Sage-Grouse (see website)

La Plata County
++++Huck Finn Pond & Animas River Trail
Lewis's Woodpecker (Ryan Votta) 1; last 6/28
++++Rancho Durango Road
Cassin's Kingbird (4) (Jim Beatty) first 6/28
Sagebrush Sparrow (Beatty) first 6/28

Mesa County
++++Me 3/4 Road & Area
Bobolink (2) --0.2 miles/west/57 Road (Jim Liewer/Nick Korte) (first
5/28) 2; last 6/28
Dickcissel --0.15 miles/west/57 road (Jim Liewer:Peter Robinson/Korte)
(first 6/24) last 6/28
++++Colorado National Monument
Gray Vireo --Devil's Kitchen trail (Mike Henwood/Richard & Gaylee Dean)
(first 4/19) last 6/28
Black-throated Sparrow --Devil's Kitchen (1) (Dean) last 6/28
++++Uncompahgre Plateau
Lewis's Woodpecker (2) --Brushy Ridge Road, see map (Mike Henwood) first
Purple Martin (4) --Brushy Ridge Road-Dominguez Road to Snipe Mountain
(Henwood:Wibbens/Henwood) (first 6/2) 6; last 6/28
Grace's Warbler (1) --Jack's Canyon (Eric DeFonso/Mike Henwood) (first
5/10) 2; last 6/28
++++Grand Mesa (Hwy 65)
Dusky Grouse --Powderhorn Ski Area (Kathleen McGinley) first 6/26

Moffat County
++++County Road 17
Greater Sage-Grouse (6) (Chip Clouse) first 6/26
++++Dinosaur National Monument & area
Greater Sage-Grouse (6) --Blue Mountain Road (Tory Mathis) first 6/25

Montrose County
++++Old Hwy 90 through Silver Hawk Ranch
Indigo Bunting (Coen Dexter:Brenda Wright) (first 5/15) last 6/27
++++Nucla Sewer Ponds
Lesser Nighthawk (Dexter:Wright) (first 6/9) last 6/26

Ouray County
++++Ouray and Box Canyon Falls
Black Swift (Niler Pyeatt/Jeff Scott) (first 5/31) 2; last 6/26

Park County
++++Kenosha Pass
Dusky Grouse --east side (Stevens:Michaels) first 6/25
Flammulated Owl --east side (Stevens:Michaels) first 6/25
Northern Pygmy-Owl --east side (Stevens:Michaels) first 6/25
American Three-toed Woodpecker --west side (Stevens:Michaels) first 6/25
++++James Mark Jones Wildlife Area
Mountain Plover (3) (Denise Bretting) first 6/22

Routt County
++++Oak Creek Area
Purple Martin (3m,1f) --2.5 miles up CR 29 (Tom Hall) first 6/24
Band-tailed Pigeon --Oak Creek (Tom Hall) first 6/24
Sagebrush Sparrow --2 miles/west/yampa at CR turnoff (Hall) first 6/24

San Juan County
++++Little Molas Lake
Boreal Owl (5) (Bryan Calk) first 6/24

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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