Date: 9/24/18 4:23 am
From: Amy Davenport <cobussec...> [cobirders] <cobirders-noreply...>
Subject: [cobirders] Colorado Rare Bird Alert for September 24, 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:
http://groups.yahoo.com/group/cobirders/messages

Report Uncommon Birds at: 303-324-7994 or http://coloradobirdingsociety.net

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: 9/23/2018
Adams (Pectoral Sandpiper, Cassin's Vireo, Red-eyed Vireo, Sage Thrasher)
Adams/Denver (Cassin's Vireo)
Alamosa (Marbled Godwit, Red-necked Phalarope, Sage Thrasher)
Boulder (Prothonotary Warbler, Townsend's Warbler)
Broomfield (American Bittern)
Clear Creek (White-tailed Ptarmigan)
Delta (Greater White-fronted Goose)
Douglas (Sage Thrasher, Townsend's Warbler)
El Paso/Pueblo (Cassin's Vireo, Ovenbird, Blackpoll Warbler, Palm Warbler,
Ladder-backed Woodpecker, Curve-billed Thrasher)
Fremont (Eastern Phoebe)
Jefferson (Ruby-throated Hummingbird)
Kit Carson (possible Yellow-bellied Flycatcher, Cassin's Vireo,
Broad-winged Hawk)
Larimer (Lesser Black-backed Gull, Townsend's Warbler, Mexican Duck,
Red-necked Phalarope, Northern Saw-whet Owl)
Montrose (Gray Vireo, Sage Thrasher, Nashville Warbler, Brown-capped Rosy
Finch)
Morgan (Semipalmated Plover)
Prowers (Ruby-throated Hummingbird)
Weld (Long-eared Owl, Eastern Bluebird, Least Flycatcher, Black-throated
Gray Warbler, Chestnut-collared Longspur)

FRONT RANGE AND NORTHEASTERN COLORADO

Adams County
++++Barr Lake
Pectoral Sandpiper --off banding station (Ian Redfield) last 9/23
Cassin's Vireo (Ian Redfield) last 9/23
Red-eyed Vireo (McBurney/Redfield) (first 9/19) last 9/23
++++Rocky Mountain Arsenal
Sage Thrasher (Vince Howard) last 9/23
Cassin's Kingbird (2) (Sheeter) last 9/22
Tennessee Warbler (Cathy Sheeter) first 9/22
Northern Mockingbird --Lower Derby Lake (Sarah Leavesley) first 9/22
++++Clear Creek Valley Park
Pectoral Sandpiper (Gabriel Wiltse) reported 9/21

Adams/Denver Counties
++++First Creek Trail
Cassin's Vireo --Adams Cty (John Breitsch) first 9/23
Cassin's Vireo --Denver Cty (John Breitsch) first 9/23
Cassin's Kingbird --Denver Cty (John Breitsch) last 9/22

Arapahoe County
++++Cherry Creek Reservoir area
Mew Gull (Ben Sampson/Dave King) (first 8/13) last 9/21

Boulder County
++++Pleasant View Marsh
Prothonotary Warbler (Ernest Crvich/Peter Burke) (first 9/22) last 9/23
Townsend's Warbler (Christian Nunes) first 9/23
++++Golden Ponds
Eastern Phoebe (Luke Pheneger) first 9/22
Cassin's Vireo (Pheneger) first 9/22
++++Lagerman Reservoir
Burrowing Owl (Rob Cassady:Steve Frye) first 9/22
++++230 Francis Street, Longmont
Broad-winged Hawk (Jeff Yegian) first 9/21
++++Jamestown, Owens Flats loop
Williamson's Sapsucker (Bill Burton) first 9/21

Broomfield County
++++Plaster Reservoir
American Bittern --southeast side (Eric Zorawowitz/Linda Lee) (first
9/15) last 9/23

Denver County
++++Denver City Park
Cassin's Vireo --near Ferril Lake (Dave King) first 9/22
++++Bluff Lake Nature Area
Green Heron (George Ho/Dave King) (first 6/21) last 9/21

Douglas County
++++Noodle Head Trail Area, Pike National Forest
Sage Thrasher (2) (Greg Schrab) first 9/23
Townsend's Warbler (Greg Schrab) first 9/23
(Above: west of Hwy 67, south/old logging road/ btw Noodle Head Trail &
Sugar Creek)

El Paso County
++++Pikes Peak
Dusky Grouse (4) --Glen Cove (Dawn Wellington) first 9/22
++++Fox Run Regional Park
Black-throated Gray Warbler (Jan Allbright:Richard Bunn) first 9/21
++++Sand Creek
Cassin's Vireo --Dublin Blvd to Woodmen Road (Alan Versaw) first 9/21

El Paso/Pueblo Counties County
++++Chico Basin Ranch (fee area)
Cassin's Vireo (Kim Geissler/Dawn Wellington) (first 9/8) last 9/23
Ovenbird (2) (Christine Alexander) first 9/23
Blackpoll Warbler (Alexander) first 9/23
Palm Warbler (Alexander) first 9/23
(above: banding station unless stated elsewhere, El Paso County)
Ladder-backed Woodpecker (Tim Leppek) last 9/23
Curve-billed Thrasher (Leppek) 2; last 9/23
(all above: Headquarters, Pueblo County)
Sedge Wren --below southeast side of dam (David Tonnessen) first 9/21
(all above: Rose Pond, Pueblo County)

Jefferson County
++++4400 West Bow Mar Drive, Littleton
Ruby-throated Hummingbird (imm male) (Tina Jones) (first 9/19) last 9/23

Ruby-throated Hummingbird (2nd bird) (Tina Jones) first 9/22
(use chairs in backyard, let Tina know if coming: <tjcalliope...>)
++++Deer Creek area
Eastern Phoebe (2) --Deer Creek at Buckhorn Road (Washburn:Thompson) last
9/22
++++South Valley Park
Sage Thrasher (4) (Gwen Moore/Washburn:Thompson) (first 9/12) 1; last 9/22
++++Lair 'O Bear Park
Sage Thrasher (Bruce Cyganowski/Santiago Tabares) (first 9/6) last 9/22
++++Corwina Park
Northern Pygmy-Owl (Reed Gomer) first 9/21

Larimer County
++++Boyd Lake State Park
Lesser Black-backed Gull --Seven Lakes Park (John Shenot) first 9/23
Common Tern (3) (Komar:Wehtje/Komar) (first 9/16) 1; last 9/21
Smith's Longspur (Nick Komar) first 9/21
Indigo Bunting (Nick Komar) first 9/21
++++Grandview Cemetery
Townsend's Warbler (David Wade/Leatherman) (first 9/16) last 9/23
++++Horseshoe Lake
Mexican Duck (Nick Komar) (first 9/22) last 9/23
Mew Gull --pond north of lake (Nick Komar) (first 9/19) last 9/22
++++Duck Lake
Red-necked Phalarope (John-Edd Brown/Lori Pivonka) (first 9/16) 3; last
9/23
Rocky Mountain National Park
Northern Saw-whet Owl (2) --Hidden Valley (Komar:Wehtje) last 9/23
Boreal Owl --Hidden Valley (Stevens/Gloria Nilolai) (first 6/11) last 9/21
American Three-toed Woodpecker (1) --Rainbow Curve (Carl Bendorf) 2; last
9/21
Brown-capped Rosy Finch (250) --Lava Cliffs pullover (Carl Bendorf) last
9/21
++++North Poudre Reservoir #3
Sabine's Gull (Nick Komar:David Wade) first 9/22
++++Wellington Wildlife Area, Cobb Lake
Cassin's Vireo (Olson:Bankert/Komar) (first 9/16) last 9/22
++++Near Rawhide Reservoir
Townsend's Warbler (2) --Oasis/east/Rawhide (Nick Komar) first 9/22
++++Schware Unit, Wellington Wildlife Area
Long-eared Owl (4) (Nick Komar) first 9/22
++++Prospect Ponds Natural Area
Green Heron (Jay Breidt) (first 6/11) 1; 9/22
Barn Owl (Paul Ode) first 9/22
++++Spring Canyon Community Park
Eastern Screech-Owl (Paul Ode) last 9/22

Las Animas County
++++Hwy 350, near Purgatoire River
Rose-breasted Grosbeak --see map (Ruth Stearns) first 9/22

Pueblo County
++++Pueblo Reservoir
Greater Roadrunner --south marina (Joe Chen:Diane Roberts) first 9/22
Lesser Black-backed Gull (2) (Percival/M.OB.) (first 9/13) 1st year; last
9/22
Common Tern (6) --south marina (Percival/Diane Roberts) (first 9/19) 3;
last 9/22
Parasitic Jaeger (Percival/Joe Chen:Diane Roberts) (first 9/13) last 9/22
Least Flycatcher --Rock Canyon/below dam/north/river (Doug Kibbe:Elaine
Wagner) first 9/22
Gray Flycatcher --Rock Canyon/below dam/north/river (Doug Kibbe:Elaine
Wagner) first 9/22
Curve-billed Thrasher (M.OB.) last 9/22
Sage Thrasher (2) (M.OB.) last 9/22
Indigo Bunting (Roger Massey) first 9/22
White-throated Sparrow (M.OB.) first 9/22
Long-tailed Jaeger (2) (Percival/Jerry DeBoer) (first 9/13) 1; last 9/21

++++Pueblo City Park
Broad-winged Hawk (Joel Adams) first 9/22

Weld County
++++Norma's Grove
Long-eared Owl --CR 100/east/CR 57 (Dean Shoup) first 9/23
Eastern Bluebird (Gene Rutherford) first 9/23
++++Crow Valley
Least Flycatcher (Joey Kellner/Dean Shoup) (first 9/14) last 9/23
Black-throated Gray Warbler (Kellner:Shoup) first 9/23
++++Pawnee National Grasslands area
Chestnut-collared Longspur (9) --CR 105/north/CR 80 (Dean Shoup) first
9/23

SOUTHEASTERN COLORADO

Lincoln County
++++County Road L, west of CR 19
Mountain Plover (12) (Joey Kellner:Dean Shoup) first 9/21
++++Karval Reservoir Wildlife Area
Gray Flycatcher (Kellner:Shoup) first 9/21

Otero County
++++Vogel Canyon Recreation Area
Curve-billed Thrasher (2) (Tim Leppek) last 9/22

Prowers County
++++Lamar
Ruby-throated Hummingbird 2 male, 1 female; (Dorothy Russell) (first
9/16) 1; last 9/23

NORTHEASTERN COLORADO

Kit Carson County
++++Flagler Reservoir
Possible Yellow-bellied Flycatcher (Stevens:Michaels) reported 9/23
Cassin's Vireo (Stevens:Michaels) first 9/23
++++Fairview Cemetery, Burlington
Broad-winged Hawk (Stevens:Michaels) first 9/23
++++Fairview Cemetery, Burlington
Broad-winged Hawk (Stevens:Michaels) first 9/22

Logan County
++++North Sterling Reservoir and Area
Black-bellied Plover (Dowell) first 9/22
Sabine's Gull (David Dowell) first 9/22

Logan/Sedgwick Counties
++++Jumbo Reservoir
Black-bellied Plover (2) (Dowell) first 9/22
Sabine's Gull (Dowell) first 9/22
Common Tern (Stevens:Michaels/Dowell) (first 9/19) last 9/22
Eastern Bluebird (2) (Dowell) first 9/22

Morgan County
++++Jackson Reservoir & area
Semipalmated Plover --north side (Dean Shoup) (first 9/2) 1; last 9/23
Long-billed Curlew (Dowell) first 9/22
Red-necked Phalarope (Kevin DeBoer/Dowell) (first 9/16) last 9/22

Phillips County
++++Holyoke Fishing Pond
Alder Flycatcher (Stevens:Michaels) first 9/21

Yuma County
++++Bonny Reservoir Area
Red-headed Woodpecker (2) --Fosters Grove
(Washburn:Thompson/Stevens:Michaels) last 9/22
Eastern Phoebe --wagon wheel (Dean Shoup/Stevens:Michaels) (first 9/16)
last 9/22
Palm Warbler (Stevens:Michaels) first 9/22
Nashville Warbler (Stevens:Michaels) first 9/22
Northern Cardinal (Stevens:Michaels) last 9/22
Eastern Screech-Owl (Stevens:Michaels) last 9/22
(Bonny Reservoir Wildlife Area)
Blue-headed Vireo (Stevens:Michaels) first 9/22
Mourning Warbler (Stevens:Michaels) first 9/22
Eastern Bluebird (Stevens:Michaels) last 9/22
(Hale)
Gray-cheeked Thrush (Stevens:Michaels) first 9/22
Yellow-billed Cuckoo (Stevens:Michaels) last 9/22
Magnolia Warbler (Stevens:Michaels) first 9/22
Eastern Screech-Owl (Stevens:Michaels) last 9/22
(Hale Ponds)

WESTERN COLORADO

Alamosa County
++++Blanca Wetlands See Pond
Marbled Godwit (2) (David Dowell/Gary Koehn) (first 9/17) last 9/23
Red-necked Phalarope (8) (Dowell/Koehn) (first 9/17) 2; last 9/23
Sage Thrasher (3) (Dowell/Koehn) (first 9/17) last 9/23

Clear Creek County
++++Guanella Pass
White-tailed Ptarmigan --Bierstadt trail (Frank Farrell) 6; last 9/23

Costilla County
++++Smith Reservoir
Sabine's Gull (1) (David Dowell/John Rawinski) (first 9/16) last 9/20
Long-billed Curlew (Rawinski) first 9/20

Delta County
++++Confluence Park
Greater White-fronted Goose (Adam Cupito) first 9/23

Fremont County
++++Arkansas Riverwalk
Eastern Phoebe --Sells Pond to Raynolds Avenue (Joel Adams) last 9/23
Black Phoebe --MacKenzie Avenue bridge (Elaine Wagner:Doug Kibbe) last
9/22
++++Tunnel Drive area
Rufous-crowned Sparrow (4) (Kibbe:Wagner) last 9/22
++++Rouse Park
Western Screech-Owl (Elaine Wagner) 3; last 9/21

La Plata County
++++Vallecito Reservoir
Sabine's Gull (imm) (Jason St. Pierre) first 9/22

Mesa County
++++Grand Junction Wildlife Area
Sagebrush Sparrow (3) (Mike Henwood) first 9/22
++++Horsethief Canyon Wildlife Area
Gray Flycatcher (Douglas Dekman) last 9/22
++++Little Salt Wash Park
Broad-winged Hawk (adult dark morph) (Brett Walker) reported 9/22

Montrose County
++++Ridgway State Park
Gray Vireo --Dallas Creek (Wright:Dexter) first 9/23
Sage Thrasher (Wright:Dexter) first 9/23
Nashville Warbler --Dallas Creek (Adam Cupito/Wright:Dexter) (first 9/6)
3; last 9/23
++++Yankee Boy Basin
Brown-capped Rosy Finch (2+) --Mt Sneffels (CoBus Groups/KW) (first 6/30)
last 9/23
++++Nucla Town Reservoir
Broad-winged Hawk (flyover, gone) (Dexter:Wright) first 9/21
Black Phoebe (2) (Coen Dexter:Brenda Wright) (first 4/16) 1; last 9/21

Ouray County
++++Ouray and Box Canyon Falls
Cassin's Vireo (2) --Amphitheater Campgrounds (Wright:Dexter) first 9/22
++++Ouray Perimeter Trail
Cassin's Vireo (Jon Horn/Woodie Lackey) (first 9/10) last 9/20

Routt County
++++King Mountain Trail
Sagebrush Sparrow (JoAnn Riggle) first 9/21

San Miguel County
++++Norwood
Northern Mockingbird (2) --see map (George Steele) first 9/20

Summit County
++++Dillon Reservoir
Sage Thrasher --Frisco marina area (M. Walt) first 9/20

Teller County
++++Highway 67
Olive-sided Flycatcher (Nathan Pieplow) first 9/20

Good Birding!

Directions to birding spots and s on CoBus website:
http://coloradobirdingsociety.net

Amy Davenport, Secretary, Colorado Birding Society Denver, CO
Contact CoBus/Report Interesting Birds: 303-324-7994
Subscribe to "cobirders" by sending blank email to:
cobirders-subscribe AT yahoogroups.com
Read "cobirders" at:
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