Date: 9/23/18 3:04 am
From: Joyce Takamine <jabirujt...>
Subject: [cobirds] Colorado Rare Bird Alert, 23 September 2018
Compiler: Joyce Takamine
e-mail: RBA AT cobirds.org

This is the Date: September 23, 2018

Rare Bird Alert for Sunday, September 23 sponsored by Denver Field
Ornithologists and the Bird Conservancy of the Rockies.

Note that the RBA is using the new AOU checklist.
Rare and out of range species for the last seven days include: (*indicates
new information on this species)

Snow Goose (Prowers)
Cackling Goose (*Larimer)
Cinnamon Teal (*Larimer)
Mexican Duck (*Larimer)
Greater Scaup (Delta)
Bufflehead (*Jefferson)
Common Goldeneye (Gunnison)
Band-tailed Pigeon (*Boulder, Larimer)
Greater Roadrunner (*Pueblo)
Common Nighthawk (Boulder, Weld)
Common Poorwill (Mesa)
RUBY-THROATED HUMMINGBIRD (*Jefferson)
Virginia Rail (*Boulder, *Pueblo)
Sora (*Broomfield, *Jackson, Larimer, *Pueblo)
American Avocet (Gunnison)
Black-bellied Plover (Morgan)
Long-billed Curlew (Costilla)
Marbled Godwit (Larimer, Weld)
Stilt Sandpiper (Jefferson, Larimer)
Sanderling (Kiowa, Larimer)
Semipalmated Sandpiper (La Plata)
Solitary Sandpiper (Las Animas)
Willet (Washington)
Parasitic Jaeger (*Pueblo)
Long-tailed Jaeger (Pueblo)
Sabine’s Gull (Costilla, *La Plata, *Larimer)
Mew Gull (*Larimer)
Lesser Black-backed Gull (*Pueblo)
Great Black-backed Gull (Douglas)
Caspian Tern (Washington)
Black Tern (Pueblo)
Common Tern (Jefferson, Kiowa, Larimer, *Pueblo)
American Bittern (Kiowa)
Little Blue Heron (Weld)
White-faced Ibis (Gunnison, *Ouray, Pueblo, *Routt, *Weld)
Bald Eagle (Ouray)
Broad-winged Hawk (*Adams, Boulder, *Mesa, Montrose)
Lewis’s Woodpecker (La Plata)
Red-naped Sapsucker (*El Paso, *Mesa, *Pitkin, *Pueblo, *Teller, Weld)
Ladder-backed Woodpecker (*El Paso, Pueblo)
Olive-sided Flycatcher (Teller)
Willow Flycatcher (Broomfield)
Least Flycatcher (*Pueblo)
Hammond’s Flycatcher (Delta, *El Paso, *Larimer, Mesa, *Ouray, Weld)
Gray Flycatcher (Adams, Boulder, Lincoln, *Mesa, *Pueblo)
Dusky Flycatcher (*Adams, *Broomfield, *El Paso, *Larimer, *Pueblo)
Western Flycatcher (El Paso)
Cordilleran Flycatcher (*El Paso, Larimer, Montezuma)
Black Phoebe (Archuleta, Montrose)
Eastern Phoebe (*Boulder, Jefferson, Pueblo)
Cassin’s Kingbird (*Denver, *Pueblo, Weld)
Western Kingbird (*Adams, *Fremont)
Eastern Kingbird (*La Plata, Larimer)
Loggerhead Shrike (Boulder, *El Paso, Pueblo)
Gray Vireo (Mesa)
Cassin’s Vireo (Alamosa, *Boulder, El Paso, *Larimer, *Ouray, *Pueblo)
Plumbeous Vireo (*Larimer)
Philadelphia Vireo (*El Paso)
Red-eyed Vireo (Pueblo)
Pinyon Jay (Montrose)
Steller’s Jay (Archuleta, *Ouray, *Pitkin)
Woodhouse’s Scrub-Jay (Archuleta, Montezuma, *Pitkin)
Clark’s Nutcracker (Larimer, Ouray)
Violet-green Swallow (Weld)
Juniper Titmouse (Montrose, Ouray)
Bushtit (Montrose, Ouray, Weld)
Rock Wren (*El Paso, *Fremont, Lincoln, *Ouray, *Pueblo)
SEDGE WREN (Pueblo)
Marsh Wren (Arapahoe, *Broomfield, El Paso, Larimer, Pueblo)
Bewick’s Wren (Las Animas, *Pueblo)
Blue-gray Gnatcatcher (Adams, Archuleta, Boulder, *Broomfield, *Larimer,
Lincoln, Phillips, Washington)
Golden-crowned Kinglet (Delta, Pueblo, San Juan)
Ruby-crowned Kinglet (*Adams, Archuleta, *Boulder, Delta, *El Paso, Mesa,
Montrose, *Pueblo)
Eastern Bluebird (Douglas)
Swainson’s Thrush (*Jefferson, Weld)
Hermit Thrush (*El Paso, *Larimer, *Ouray, *Pueblo)
Curve-billed Thrasher (El Paso, *Pueblo)
Brown Thrasher (Adams, *El Paso, Larimer, *Pueblo)
Sage Thrasher (*Adams, Boulder, *El Paso, *Jackson, Larimer, Montrose,
*Pueblo)
American Pipit (*La Plata, Larimer, *Pueblo)
Evening Grosbeak (*Ouray)
Red Crossbill (Delta, Teller)
Lesser Goldfinch (*Pitkin)
Chestnut-collared Longspur (Pueblo)
SMITH’S LONGSPUR (Larimer)
Rufous-crowned Sparrow (*Fremont)
Canyon Towhee (*Pueblo)
Chipping Sparrow (El Paso
Clay-colored Sparrow (Adams, *Boulder, *Denver, El Paso, Jefferson,
*Larimer, Lincoln, *Pueblo)
Brewer’s Sparrow (*Adams, Archuleta, Boulder, *Denver, *El Paso, *Jackson,
Jefferson, *Larimer, Mesa, *Ouray, *Pueblo, Weld)
Sagebrush Sparrow (Routt)
Lark Bunting (Boulder, *Jackson)
Savannah Sparrow (Jefferson, Larimer, Lincoln, *Pueblo)
Fox Sparrow (San Juan)
Lincoln’s Sparrow (*Adams, *Boulder, *Denver, El Paso, Jefferson, *Larimer,
Mesa, *Pueblo)
White-throated Sparrow (*Pueblo)
Yellow-breasted Chat (Adams, *Larimer, Ouray)
Northern Waterthrush (Adams, Douglas, La Plata)
Prothonotary Warbler (*Boulder)
Orange-crowned Warbler (Lincoln)
Blackpoll Warbler (Phillips)
Palm Warbler (Pueblo)
Black-throated Gray Warbler (El Paso, Montezuma)
Townsend’s Warbler (El Paso, Larimer)
Black-headed Grosbeak (Larimer)
Lazuli Bunting (*Pueblo)
Indigo Bunting (Kiowa, Larimer, *Pueblo, Yuma)

ADAMS COUNTY:
---On September 20 at Barr Lake Banding Station, Colin Woolley reported
Gray Flycatcher, 2 Blue-gray Gnatcatcher, 5 Ruby-crowned Kinglet, Hermit
Thrush, 2 Brown Thrasher, Clay-colored Sparrow, 3 Lincoln’s Sparrow;
Woolledy banded Northern Waterthrush which was also seen by Soren Dinsmore
and Tracy Rackauskas. On September 20 at Barr Lake Banding Station,
Meredith McBurney banded Gray Flycatcher, Hermit Thrush, Brown Thrasher,
Northern Waterthrush, 2 Clay-colored Sparrow, 2 Lincoln Sparrow. On
September 21 at Barr Lake Banding Station, Medredith McBurney banded Hermit
Thrush, Yellow-breasted Chat, and Lincoln’s Sparrow. On September 22 at
Barr Lake Banding Station, Meredith McBurney banded Broad-winged Hawk,
Dusky Flycatcher, Ruby-crowned Kinglet, 5 Lincoln’s Sparrows.
---On September 22 at Rocky Mountain Arsenal NWR, Cathy Sheeter and
Christine Alexander reported 3 Western Kingbird, Dusky Flycatcher, Sage
Thrasher, Brewer’s Sparrow, and Savannah Sparrow.

ALAMOSA COUNTY:
---On September 20 at Mosca Pass Trail, John Rawinski reported Cassin’s
Vireo.

ARCHULETA COUNTY:
---On September 21 at FS RD 613, Charles Martinez and Jean Zirhelt reported
Black Phoebe, 5 Steller’s Jay, 2 Woodhouse’s Scrub-Jay, 2 Blue-gray
Gnatcatcher, 6 Ruby-crowned Kinglet, 2 Brewer’s Sparrow.

BOULDER COUNTY:
---On September 22 at Pleasant View Marsh, Ernest Crvich reported
Ruby-crowned Kinglet, Clay-colored Sparrow and Prothonotary Warbler.
---On September 20 at 4049 75th St, Chris Brown reported Common Nighthawk.
---On September 20 at Mesa Reservoir, Christian Nunes reported Gray
Flycatcher, 2 Loggerhead Shrike, 2 Blue-gray Gnatcatcher, 17 Sage
Thrashers, 2 Clay-colored Sparrow, 2 Brewer’s Sparrow, Lark Bunting.
---On September 21 at 230 Francis St in Longmont, Jeff Yegian reported
soaring Broad-winged Hawk.
---On September 22 in Ward area, Bill Kaempfer reported 10 Band-tailed
Pigeon.
---On September 22 at Golden Ponds Park and NA in Longmont, Luke Pheneger
reported 3 Virginia Rail, Eastern Phoebe, Cassin’s Vireo, 2 Ruby-crowned
Kinglet, Clay-colored Sparrow, Lincoln’s Sparrow.

BROOMFIELD COUNTY:
---On September 21 at Plaster Reservoir, Matt Hofeditz reported 3 Sora and
Willow Flycatcher. On September 22 at Plaster Reserv oir, Matt Hofeditz
reported Dusky Flycatcher, Sora, Marsh Wren, and Blue-gray Gnatcatcher.

COSTILLA COUNTY:
---On September 20 at Smith Reservoir, John Rawinski reported ad Sabine’s
Gull and Long-billed Curlew.

DELTA COUNTY:
---On September 20 at (39.025,-107.955), Norm Erthal reported 2 Greater
Scaup, Hammond’s Flycatcher, 2 Golden-crowned Kinglet, 2 Ruby-crowned
Kinglet, 2 Red Crossbill.

DENVER COUNTY:
---On September 22 at First Creek at DEN OS, John Breitsch reported
Cassin’s Kingbird.
---On September 22 at Bluff Lake Nature Center, Mark Chavez reported 4
Clay-colored Sparrow, Brewer’s Sparrow, and Lincoln’s Sparrow.

DOUGLAS COUNTY:
---On September 20 on Cherry Creek Trail, south from Walker Road, Hugh
Kingery reported Eastern Bluebird.

EL PASO COUNTY:
---On September 20 at Chico Basin Ranch Banding Station, Kim Geissler
banded 4 Ruby-crowned Kinglet, Hammond’s Flycatcher, 2 Dusky Flycatcher, 2
Cassin’s Vireo, 2 Hermit Thrush, Red-naped Sapsucker. On September 21 at
Chico Basin Ranch Banding Station, Kim Geissler banded Western Flycatcher,
4 Ruby-crowned Kinglet, Cassin’s Vireo, 2 Lincoln’s Sparrow, 7 Hermit
Thursh. On September 22 at Chico Basin Ranch Banding Station, Kim Geissler
banded Phildelphia Vireo, Rock Wren, Brewer’s Sparrow, 4 Ruby-crowned
Kinglet, 2 Dusky Flycatcher, Hermit Thrush.
---On September 20 at Chico Basin Ranch, Jim Merritt reported Ladder-backed
Woodpecker, Cassin’s Vireo, Marsh Wren, Curve-billed Thrasher, 3 Brown
Thrasher, Sage Thrasher, 2 Clay-colored Sparrow, 4 Brewer’s Sparrow, and 12
Lincoln’s Sparrow. On September 22 at Chico Basin Ranch, Joel and Dale
Adams and Dean Shoup reported Red-naped Sapsucker, Ladder-backed
Woodpecker, Hammond’s Flycatcher, Dusky Flycatcher, Cordilleran Flycatcher,
Loggerhead Shrike, 5 Ruby-crowned Kinglet, 5 Hermit Thrush, 3 Brown
Thrasher, Sage Thrasher, and Lincoln’s Sparrow.

FREMONT COUNTY:
---On September 22 at Tunnel Drive and water treatment ponds in Canon City,
Doug Kibbe and Elaine Wagner reported Western Kingbird, 5 Rock Wren, and 4
Rufous-crowned Sparrow.

GUNNISON COUNTY:
---On September 20 at Blue Mesa Reservoir east end, Linda Elling reported 4
American Avocet and 8 White-faced Ibis.
---On September 21 at Peanut Lake, Ted Uhlemann reported 3 Common Goldeneye.

JACKSON COUNTY:
---On September 22 at Arapaho NWR, Felice Lyons reported Sora, 2 Sage
Thrasher, 2 Brewer’s Sparrows, and 4 Lark Bunting.

JEFFERSON COUNTY:
---On September 18 & 19 at 4400 Bow Mar Drive, Tina Jones reported
RUBY-THROATED HUMMINGBIRD. Birders are welcome, but please call or e-mail
her with times that you are coming (303-906-5479). You do not have to wait
for a reply. Tina asks that you sit in the seats and wait. Please do not
walk around the yard.On September 20 at 4400 Bow Mar Drive, Tina Jones
reported that the RUBY-THROATED HUMMINGBIRD returned; Robert Raker reported
seeing RUBY-THROATED HUMMINGBIRD. On September 21, Tina Jones, Ira
Sanders, Frank Farrell, and Rosanne Juergens reported RUBY-THROATED
HUMMINGBIRD. On September 22 Tina Jones, Steve Rash, Santiago Tabares,
Raulo Tabares, Reed Gorner, and Eric DeFonso and many others reported 2 imm
RUBY-THROATED HUMMINGBIRDS and a Swainson’s Thrush.
---On September 20 at Denver Botanic Gardens Chatfield Farms, Jonelle
Balais and Cynthia Madsen reported Eastern Phoebe, 2 Clay-colored Sparrow,
and 2 Lincoln’s Sparrow.
---On September 20 at Chatfield SP Gazebo Heronry Overlook Area, Ted
Uhlemann reported 2 Northern Waterthrush in willow thicket in marsh area
below overlook.
---On September 20 at Chatfield SP – Deer Creek, Mark Chavez reported
Eastern Phoebe, Brewer’s Sparrow, and Savannah Sparrow.
---On September 20 at Standley Lake and Park, David Chernack reported 46
Stilt Sandpiper in SE corner of lake and Common Tern.
---On September 22 at Robert A Easton Regional Park, Dale Pat reported
Bufflehead.

LA PLATA COUNTY:
---On September 21 at Vallecito Reservoir, Jason St. Pierre reported
Semipalmated Sandpiper and American Pipit. On September 22 at Vallecito
Reseervoir, Jason St. Pierre reported imm Sabine’s Gull.
---On September 22 at 102 Smelter Place in Durango, David Dunford reported
Eastern Kingbird at S end of dog park near Ball Fields.

LARIMER COUNTY:
---On September 22 at pond N or Horseshoe Reservoir, Nick Komar reported m
Mexican Duck and Mew Gull.
---On September 20 at Wellington SWA—Cobb Lake Unit, Andy Bankert and Nick
Komar reported 5 Cackling Goose, 2 Cinnamon Teal, 2 Sora, Stilt Sandpiper,
3 Common Tern, Dusky Flycatcher, Cassin’s Vireo, Marsh Wren, 7 Blue-gray
Gnatcatcher, Ruby-crowned Kinglet, Brown Thrasher, 2 Sage Thrasher, 3
Clay-colored Sparrow, 6 Lincoln’s Sparrow, and Black-headed Grosbeak. On
September 22 at Wellington SWA—Cobb Lake Unit, Nick Komar reported 2
Cinnamon Teal, Hammond’s Flycatcher, Dusky Flycatcher, Cassin’s Vireo,
Blue-gray Gnatcatchder, 2 Ruby-crowned Kinglet, Clay-colored Sparrow,
Brewer’s Sparrow, Lincoln’s Sparrow.
---On September 21 at Boyd Lake SP, North End, Nick Komar reported Common
Tern, American Pipit, SMITH’S LONGSPUR (fly over), and f-type Indigo
Bunting.
---On September 21 at Ponderosa Lodge, Estes Park, Allen Lewis reported 7
Band-tailed Pigeon (Fly over), 2 Ruby-crowned Kinglet, and 2 Lincoln’s
Sparrow.
---On September 21 at Richard’s Lake, Joshua Smith reported 2 Blue-gray
Gnatcatcher, Ruby-crowned Kinglet, Sage Thrasher, and Savannah Sparrow.
---On September 21 at Rocky Mountain NP—Upper Beaver Meadows, Carl Bendorf
reported Clark’s Nutcracker and Black-headed Grosbeak.
---On September 22 at Dixon Reservoir, John Shenot reported Yellow-breasted
Chat.
---On September 22 at North Poudre Reservoir #3, Nick Komar reported 10
Cackling Goose and Sabine’s Gull.
---On September 22 at Wellington SWA, Schware Unit and Morris Reservoir,
Nick Komar reported Hermit Thrush and Plumbeous Vireo.

LINCOLN COUNTY:
---On September 21 at Karval Lake SWA, Dean Shoup and Joey Kellnedr
reported Gray Flycatcher, Rock Wren, Blue-gray Gnatcatcher, Clay-colored
Sparrow, Lincoln’s Sparrow, 4 Orange-crowned Warbler.

MESA COUNTY:
---On September 21 at Connected Lakes SP, Adam Cupito banded Hammond’s
Flycatcher and 1 Blue-gray Gnatcatcher.
---From September 17 – 21, at Connected Lakes SP, Adam Cupito banded 3
Brewer’s Sparrows, Hammond’s Flycatcher, Lincoln’s Sparrow, Blue-gray
Gnatcatcher, Red-naped Sapsucker, and Ruby-crowned Kinglet.
---On September 21 near Grand Junction (39.106, -108.732), Norm Erthal
reported Common Poorwill.
---On September 22 at Horsethief Canyon SWA, Douglas Diekman reported
Red-naped Sapsucker and Gray Flycatcher.
---On September 22 at Little Salt Wash Park in Fruita, Brett Walker
reported ad dark morph Broad-winged Hawk.

MONTROSE COUNTY:
---On September 21 at Nucla Domestic Reservoir, Brenda Wright and Coen
Dexter reported Broad-winged Hawk, Black Phoebe, 15 Pinyon Jay, Junipter
Titmouse, 16 Bushtit, Ruby-crowned Kinglet, and Sage Thrasher.

OURAY COUNTY:
---On September 21 at Ridgway Reservoir SP, Brenda Wright and Coen Dexter
reported Bald Eagle, Clark’s Nutcracker, 2 Juniper Titmouse, 2 Bushtit. On
September 22 at Ridgway Reservoir, Kent Nelson reported Rock Wren and
Brewer’s Sparrow; in field So of Runway turnoff, Kent Nelson reported 23
White-faced Ibis.
---On September 22 at Amphitheater Campground, Brenda Wright and Coen
Dexter reported Hammond’s Flycatcher, 2 Cassin’s Vireo, Steller’s Jay, 3
Hermit Thrush, and 22 Evening Grosbeak.

PITKIN COUNTY:
---On September 22 on Prince Creek Road, Madalynn Connor reported Red-naped
Sapsucker, Steller’s Jay, 5 Woodhouse’s Scrub-Jay, and 2 Lesser Goldfinch.

PROWERS COUNTY:
---On September 19 at North Gateway Park, David Suddjian and his DFO Field
Trip reported Snow Goose.

PUEBLO COUNTY:
---On September 20 at Pueblo Reservoir, Mark Peterson reported 2
Long-tailed Jaegers and Parasitic Jaeger at east end; Brandon Percival
reported Long-tailed Jaeger and Parasitic Jaeger at SE part of Reservoir,
at South Marina, Alan and MaryLynne Ketcham reported Parasitic Jaeger, 6
Common Tern, and 9 White-faced Ibis. On September 21 at Pueblo Reservoir
South Marina, Jerry DeBoer reported Long-tailed Jaeger and Parasitic
Jaeger. On September 22 at Pueblo Reservoir South Marina, David Tonnessen,
Jim Merritt, Diane Roberts and DFO field Trip, Dale and Joel Adams reported
Parasitic Jaeger. Also reported were Lesser Black-backed Gull, 3 Common
Tern, Greater Roadrunner, 2 Bewick’s Wren, 4 Curve-billed Thrasher,
American Pipit, Clay-colored Sparrow, 2 Savannah Sparrow, 2 Lincoln’s
Sparrow, 7 Canyon Towhee.
---On September 21 at Chico Basin Ranch, David Tonnessen, Jim Merritt, and
Diane Roberts reported SEDGE WREN below dam at Rose Pond, 2 Sora, Red-naped
Sapsucker, Ladder-backed Woodpecker, Eastern Phoebe, Loggerhead Shrike,
Cassin’s Vireo, Red-eye Vireo, Marsh Wren, Bewick’s Wren, 2 Golden-crowned
Kinglet, 19 Ruby-crowned Kinglet, 6 Hermit Thrush, 5 Curve-billed Thrasher,
2 Brown Thrasher, 12 Sage Thrasher, American Pipit, Chestnut-collared
Longspur (flyover), 5 Clay-colored Sparrow, 6 Brewer’s Sparrow, 4 Lincoln’s
Sparrow, Canyon Towhee, and Palm Warbler (Western). On September 22 at
Chico Basin Ranch, Joel and Dale Adams and Dean Shoup reported 2 Virginia
Rail, Sora, 2 Red-naped Sapsucker, Dusky Flycatcher, 2 Cassin’s Vireo, Rock
Wren, Bewick’s Wren, 30 Ruby-crowned Kinglet, 2 Hermit Thrush, 6
Curve-billed Thrasher, 4 Brown Thrasher, 2 Sage Thrasher, 10 Brewer’s
Sparrows, White-throated Sparrow, Savannah Sparrow, 30 Lincoln’s Sparrow, 2
Canyon Towhee, 4 Lazuli Bunting.
---On September 22 at Pueblo Reservoir Rock Canyon below dam, north of
River, Doug Kibbe and Elaine Wagner reported Least Flycatcher, Gray
Flycatcher, and 3 Bewick’s Wren.

ROUTT COUNTY:
---On September 21 at Stagecoach Reservoir, JoAnn Riggle reorted
White-faced Ibis.
---On September 21 at King Mountain Trail, JoAnn Riggle reported Sagebrush
Sparrow.

TELLER COUNTY:
---On September 20 at 29046 CO 67 Woodland Park, Nathan Pieplow reported
Olive-sided Flycatcher and 4 Red Crossbill.
---On September 22 at Arapahoe Creek Trail, Alan and Mary Lynne Ketcham
reported Red-naped Sapsucker.

WELD COUNTY:
---On September 20 at Crow Valley CG, Dave Leatherman reported 2 Common
Nighthawk, Cassin’s Kingbird, 6 Blue-gray Gnatcatcher, 2 Brown Thrasher, 3
Red-naped Sapsucker, 2 Ruby-crowned Kinglet, Swainson’s Thrush, and
Lincoln’s Sparrow.
---On September 21 at pond N of CR 86 along CR 13, Gary Lefko reported
White-faced Ibis.
---On September 21 at Linn Grove Cemetery, Shawn Mason reported 8 Bushtit.

DFO Field Trips
Park County Reservoirs
Monday, September 24
5:00 AM – 1:00 PM
David Suddjian (dsuddjian AT gmail.com; 831-713-8659)

Colorado Eastern Prairie
Tuesday, September 25 – Wednesday, September 26
5:00 AM – 6:00 PM
David Suddjian (dsuddjian AT gmail.com; 831-713-8659)

Fort Collins area Stream and Lakes
Wednesday, September 26
6:00 AM – 4:00 PM
Paul Slingsby (paslingby AT comcast.net; 720-347-5169)

Chico Basin Ranch
Saturday, September 29
6:00 AM – 6:00 PM
Mark Amershek (mamershek AT msn.com; 303-329-[8646)
This trip is FULL.

Good Birding,
Joyce Takamine
Boulder

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