Date: 9/29/18 3:06 am
From: Joyce Takamine <jabirujt...>
Subject: [cobirds] Colorado Rare Bird Alert, 29 September 2018
Compiler: Joyce Takamine
e-mail: RBA AT cobirds.org

This is the Date: September 29, 2018

Rare Bird Alert for Saturday, September 29 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)
Tundra Swan (Prowers)
Wood Duck (*Eagle)
Cinnamon Teal (Garfield, *Larimer)
Mexican Duck (Larimer)
Bufflehead (Park)
Common Goldeneye (Chaffee)
Red-breasted Merganser (Huerfano, Park)
Northern Bobwhite (*Larimer)
Horned Grebe (*Adams, Park)
Common Nighthawk (Boulder, Park, Prowers)
Virginia Rail (Boulder, La Plata)
Sora (*Eagle, *Larimer)
Sandhill Crane (*Jefferson)
Black-necked Stilt (*Delta)
American Avocet (Huerfano, Park)
Black-bellied Plover (Alamosa, *Larimer, Morgan)
Semipalmated Plover (Alalmosa, Park)
Marbled Godwit (Larimer)
Sanderling (Alamosa, Kiowa, Larimer)
Buff-breasted Sandpiper (Bent)
Pectoral Sandpiper (*Boulder, *La Plata, *Larimer)
Semipalmated Sandpiper (Costilla, *Larimer)
Western Sandpiper (Park)
Spotted Sandpiper (*Eagle)
Solitary Sandpiper (Las Animas, Washington)
Willet (Washington)
Red-necked Phalarope (Park)
Red Phalarope (El Paso)
Sabine’s Gull (Costilla, Larimer, Park)
Herring Gull (Costilla)
Lesser Black-backed Gull (Alamosa)
Great Black-backed Gull (Douglas)
Caspian Tern (Washington)
Black Tern (Pueblo)
Common Tern (Kiowa, Park)
American Bittern (Kiowa)
Great Egret (*Delta, Garfield, Weld)
Snowy Egret (*Adams, *Boulder)
White-faced Ibis (Boulder, Park, Washington)
Mississippi Kite (Prowers)
Broad-winged Hawk (*Larimer, Pueblo, *Weld, Yuma)
Lewis’s Woodpecker (La Plata)
Red-headed Woodpecker (*Denver, Yuma)
Red-bellied Woodpecker (Yuma)
Williamson’s Sapsucker (*Mesa)
Red-naped Sapsucker (El Paso, *Larimer, Montrose)
Least Flycatcher (Pueblo)
Hammond’s Flycatcher (Montrose)
Gray Flycatcher (El Paso)
Dusky Flycatcher (Cheyenne, El Paso, *La Plata, Montrose, Pueblo)
Cordilleran Flycatcher (Larimer, Montezuma)
Black Phoebe (La Plata, Montrose)
Eastern Phoebe (Pueblo)
Cassin’s Kingbird (Cheyenne, Denver, Pueblo)
Eastern Kingbird (Larimer)
Loggerhead Shrike (El Paso)
Cassin’s Vireo (El Paso, Yuma)
Plumbeous Vireo (*La Plata)
Philadelphia Vireo (El Paso)
Warbling Vireo (Boulder, El Paso)
Red-eyed Vireo *Boulder)
Steller’s Jay (Archuleta, Larimer, Pitkin)
Woodhouse’s Scrub-Jay (Archuleta, *La Plata, *Mesa, Montezuma, Montrose,
Pitkin)
Common Raven (*Adams)
Tree Swallow (Archuleta)
Bank Swallow (Mesa)
Cliff Swallow (Archuleta)
Juniper Titmouse (*La Plata)
Bushtit (*La Plata, Larimer, *Mesa)
Rock Wren (El Paso, Grand, Mesa, Montrose)
SEDGE WREN (Pueblo)
Marsh Wren (*Adams, Arapahoe, Mesa, Pitkin, Pueblo)
Bewick’s Wren (Las Animas, Montrose, Pueblo)
Blue-gray Gnatcatcher (*Arapahoe, Boulder, El Paso, Hinsdale, Jefferson,
*Larimer, Phillips, Pueblo, Washington, *Weld)
Golden-crowned Kinglet (*Adams, El Paso, San Juan)
Ruby-crowned Kinglet (*Adams, Archuleta, Boulder, Cheyenne, *El Paso,
Huerfano, La Plata, *Larimer, *Moffat, Montrose, Pueblo, *Weld)
Eastern Bluebird (Yuma)
Mountain Bluebird (Archuleta, Broomfield, Grand, *Mesa, Park, *Weld)
Swainson’s Thrush (*Denver, El Paso, *Moffat, *Weld)
Hermit Thrush (*Adams, *Arapahoe, *El Paso, *Larimer, *Moffat, Pueblo,
*Weld)
Gray Catbird (Summit)
Curve-billed Thrasher (El Paso)
Brown Thrasher (El Paso, Pueblo)
Sage Thrasher (Archuleta, El Paso, Hinsdale, Huerfano, Montrose)
American Pipit (*Adams, Archuleta, El Paso, *Larimer, Park, Pueblo)
Lesser Goldfinch (Pitkin)
Chestnut-collared Longspur (El Paso, Park, Pueblo)
McCown’s Longspur (El Paso)
Canyon Towhee (El Paso, Pueblo)
American Tree Sparrow (Denver)
Chipping Sparrow (El Paso)
Clay-colored Sparrow (*Arapahoe, Cheyenne, El Paso, *Larimer, Yuma)
Brewer’s Sparrow (Archuleta, Boulder, La Plata, Montrose)
Lark Sparrow (*Eagle, Hinsdale)
Sagebrush Sparrow (Archuleta, Montrose)
Lark Bunting (El Paso)
Savannah Sparrow (El Paso, *Larimer, Lincoln, Pueblo)
Fox Sparrow (San Juan)
Lincoln’s Sparrow (*Adams, *Arapahoe, Archuleta, Boulder, El Paso,
Huerfano, La Plata, *Larimer, *Moffat, Pitkin, *Weld, Yuma)
White-throated Sparrow (Adams, El Paso, Huerfano, Larimer)
Orchard Oriole (Yuma)
Rusty Blackbird (Arapahoe)
Northern Waterthrush (Douglas, La Plata)
Prothonotary Warbler (Boulder)
Nashville Warbler (La Plata, *Moffat)
Blackpoll Warbler (Jefferson, Phillips)
Palm Warbler (Yuma)
Yellow-throated Warbler (Park)
Black-throated Gray Warbler (El Paso, Montezuma)
Townsend’s Warbler (El Paso)
Lazuli Bunting (Boulder, Pueblo, Yuma)
Indigo Bunting (Kiowa, Pueblo, Yuma)

ADAMS COUNTY:
---On September 25 at Barr Lake Banding Station, Colin Woolley banded
Hermit Thrush and 4 Lincoln’s Sparrow. On September 26 at Barr Lake
Banding Station, Colin Woolley reported 3 Hermit Thrush and 2 Ruby-crowned
Kinglet. On September 27 at Barr Lake Banding Station, Meredith McBurney
banded Rock Wren, Marsh Wren, 6 Ruby-crowned Kinglet, 6 Hermit Thrush,
White-throated Sparrow (hatch yr with tan stripe), and 2 Lincoln’s
Sparrow. On September 28 at Barr Lake Banding Station, Meredith McBurney
banded Golden-crowned Kinglet, 3 Ruby-crowned Kinglet, and 3 Hermit Thrush.
---On September 25 at Rocky Mountain Arsenal NWR, Tyler Wilson reported
Horned Grebe. On September 28 at Rocky Mountain Arsenal NWR, Candice
Johnson reported Horned Grebe on Lake Darby, 3 Snowy Egret, Common Raven,
Marsh Wren, American Pipit, and Lincoln’s Sparrow.

ALAMOSA COUNTY:
---On September 26 at San Luis Lake, John Rawinski reported ad Lesser
Black-backed Gull. On September 27 at San Luis Lake, John Rawinski and
John Stump reported 5 Black-bellied Plover, Semipalmated Plover, and 5
Sanderling.

ARAPAHOE COUNTY:
---On September 27 at Cedntennial Park, Edward Donnan reported 5 Rusty
Blackbirds.
---On September 28 at Lee Gulch Trail – Elati to Horseshoe Park, Littleton,
David Suddjian reported Broad-winged Hawk, Blue-gray Gnatcatcher, Hermit
Thrush, 9 Clay-colored Sparrow, and 2 Lincoln’s Sparrow.

ARCHULETA COUNTY:
---On September 27 at Navajo SP, Jim Beatty reported Steller’s Jay,
Woodhouse’s Scrub-Jay, 15 Tree Swallow, Cliff Swallow, Ruby-crowned
Kinglet, 5 Mountain Bluebird, 3 Sage Thrasher, 15 American Pipit, 3
Brewer’s Sparrow, Sagebrush Sparrow, and 2 Lincoln’s Sparrows.

BENT COUNTY:
---On September 25 at John Martin Reservoir, Duane Nelson reported 2
Buff-breasted Sandpipers at Clayton Point on N side of reservoir. Turn S
from CR JJ just east of CR 20, work south, then east to obvious gravel
island. The sandpipers are on the mainland opposite the island.

BOULDER COUNTY:
---On September 22 at Pleasant View Marsh, Ernest Crvich reported
Ruby-crowned Kinglet, Clay-colored Sparrow and Prothonotary Warbler.
Pleasant View Marsh is N of Pleasant View Sports Complex on 47th St. On
September 23 at Pleasant View Marsh, Peter Burke, Ernest Crvich, Dan
Zmolek, Leslie S and Luke Phenger reported Prothonotary Warbler in Willow
Trees on east side. On September 24 at Pleasant View Marsh, Bill Kaempfer
reported Red-eyed Vireo, Brewer’s Sparrow, Lincoln’s Sparrow. On September
27 at Pleasant View Marsh, Peter Burke and Christian Nunes reported
Prothonotary Warbler, Red-eyed Vireo, Warbling Vireo, Ruby-crowned Kinglet,
Blue-gray Gnatcatcher, and Brewer’s Sparrow.
---On September 26 at Walden Ponds/Cottonwood Marsh, Peter Gent, David
Haskell, and Katie Lehman reported 2 Pectoral Sandpiper and White-faced
Ibis. On September 26 at Walden Ponds, Barbara Brown, John Rutenbeck,
David Waltman, Richard Trinkner, and Rob Cassady reported 2 Pectoral
Sandpiper, White-faced Ibis, Virginia Rail, and 2 Lincoln’s Sparrow. On
September 27 at Walden Ponds/Cottonwood Marsh, Peter Burke, Leslie S, James
McCall, and Alexander Brown reported 2 Pectoral Sandpipedr, 2 Snowy Egret,
and Blue-gray Gnatcatcher. On September 28 at Walden Ponds/Cottonwood
Marsh, Peter Burke and Christian Nunes reported 2 Pectoral Sandpiper and
Snowy Egret.
---On September 27 at Pratt Park in Longmont, Todd Deininger reported
Common Nighthawk.
---On September 27 at Boulder Community garden, Richard Trinkner reported 4
Lincoln’s Sparrow and Lazuli Bunting.

BROOMFIELD COUNTY:
---On September 26 at W 134th Place, Matt Hofeditz reported 2 Mountain
Bluebird.

CHAFFEE COUNTY:
---On September 25 at Sands Lake SWA, Cynthia Kristensen reported Common
Goldeneye.

CHEYENNE COUNTY:
---On September 25 at Big Sandy Creek at CR 20, David Suddjian and DFO
field trip reported Dusky Flycatcher, 2 Cassin’s Kingbirds, Ruby-crowned
Kinglet, and 3 Clay-colored Sparrow.

COSTILLA COUNTY:
---On September 26 at Smith Reservoir, John Rawinski reported juv Sabine’s
Gull, ad Herring Gull, and Semipalmated Sandpiper. On September 27 at
Smith Reservoir, John Rawinski and John Stump reported Sabine’s Gull and
Semipalmated Sandpiper.

DELTA COUNTY:
---On September 28 at G50 Rd, Betty Fenton reported Black-necked Stilt and
Great Egret.

DENVER COUNTY:
---On September 26 at Westerly Creek 2901 – 2969 Clinton, Kenna Sue Trickey
reported 2 American Tree Sparrow.
---On September 28 at First Creek at DEN OS, Jeff Dawson reported juv
Red-headed Woodpecker and Swainson’s Thrush.

EAGLE COUNTY:
---On September 25 at Lake Creek Village Wetlands, JoAnn Riggle reported
Sora. On September 28 at Lake Creek Village Wetlands, Jennifer Austin and
William Prosse reported 2 Spotted Sandpiper and Lark Sparrow.
---On September 28 at 10660 Hwy 6 Gypsum, Eric Culbertson reported m Wood
Duck and Sora.

EL PASO COUNTY:
---On September 25 at Chico Basin Banding Station, Kim Geissler banded 2
Ruby-crowned Kinglet, Warbling Vireo, 3 Lincoln’s Sparrows, Cassin’s Vireo,
and 2 Hermit Thrush. On September 27 at Chico Basin Ranch Banding Station,
Kim Geissler reported 2 Dusky Flycatcher, Lincoln’s Sparrow, 3 Hermit
Thrush, and Ruby-crowned Kinglet. On September 28 at Chico Basin Ranch
Banding Station, Kim Geissler banded 4 Ruby-crowned Kinglet and 4 Hermit
Thrush.
---On September 26 at Chico Basin Ranch, Brandon Percival and Bill Maynard
reported Red Phalarope on stack tank pond and Philadelphia Vireo; Joel and
Dale Adams reported Dusky Flycatcher, Loggerhead Shrike, Blue-gray
Gnatcatcher, 2 Ruby-crowned Kinglet, Curve-billed Thrasher, 3 Brown
Thrasher, 2 Sage Thrasher, and 10 Lincoln’s Sparrow; John Drummond reported
at Stock Pond, Red Phalarope, Sage Thrasher, 3 Chestnut-collared Longspur
and Savannah Sparrow. On September 27 at Chico Basin Ranch, Richard Bunn
reported Red Phalarope, 7 Sage Thrasher, American Pipit, 9
Chestnut-collared Longspur, McCown’s Longspur, and 3 Savannah Sparrow. On
September 27 at Chico Basin Ranch, Bell Grove, Richard Bunn reported
Red-naped Sapsucker, Cassin’s Vireo, 4 Golden-crowned Kinglet, 4
Ruby-crowned Kinglet, 2 Hermit Thrush, Curve-billed Thrasher, 7 Sage
Thrasher, 4 Lincoln’s Sparrows, and 2 Canyon Towhees.
---On September 25 at Starsmore Discovery Center, Aaron Rogers reported
White-throated Sparrow.
---On September 27 at Paint Mines OS, John Bruder reported Rock Wren,
Swainson’s Thrush, and 5 Lark Bunting.

GARFIELD COUNTY:
---On September 27 on I-70 W at Stilt (39.5452, -107.6708), JoAnn Riggle
reported Great Egret.
---On September 27 at Rifle Gap SP, JoAnn Riggle reported Cinnamon Teal.

GRAND COUNTY:
---On September 25 at Chief Trail in Granby, Burke Angstman reported Rock
Wren and 7 Mountain Bluebird.

HINSDALE COUNTY:
---On September 27 at San Cristobal, Gary Koehn reported 3 Lark Sparrow,
Sage Thrasher, and Blue-gray Gnatcatcher.

HUERFANO COUNTY:
---On September 25 at Orlando Reservoir, Christian Walker reported 2
Red-breasted Merganser, American Avocet, Ruby-crowned Kinglet, 2 Sage
Thrasher, White-throated Sparrow, 2 Lincoln’s Sparrow.

JEFFERSON COUNTY:
---On September 27 at Wheat Ridge Greenbelt, Kevin DeBoer reported
Blue-gray Gnatcatcher and Blackpoll Warbler.
---On September 28 at Faversham Park, Brian and Kimberly Tavernia reported
flying Sandhill Cranes.

LA PLATA COUNTY:
---On September 27 at Pastorius Reservoir, Susan Allerton reported Virginia
Rail, Pectoral Sandpiper, Dusky Flycatcher, Woodhouse’s Scrub-Jay, 2
Juniper Titmouse, 10 Bushtit, Brewer’s Sparrows, and Lincoln’s Sparrow. On
September 28 at Pastorius Reservoir, David Dunford reported Pectoral
Sandpiper, Dusky Flycatcher, Plumbeous Vireo, Woodhouse’s Scrub-Jay,
Juniper Titmouse, and 4 Bushtit.

LARIMER COUNTY:
---On September 25 at pond N of Horseshoe Reservoir, Joshua Smith Reported
Mexican Duck.
---On September 25 at Grandview Cemetery, Dave Leatherman reported 2
Red-naped Sapsucker, Steller’s Jay, 2 Ruby-crowned Kinglet, 2 Hermit Thrush
and White-throated Sparrow. On September 26 at Grandview Cemetery, Dave
Leatherman reported Bushtits.
---On September 26 at Greyrock Commons, Doug Swartz reported White-throated
Sparrow and Lincoln’s Sparrow.
---On September 27 at Timnath Reservoir, Joe Mammoser reported 4 Pectoral
Sandpiper. On September 28 at Timnath Reservoir, Nick Komar reported 3
Semipalmated Sandpiper and 5 Pectoral Sandpipers.
---On September 28 at Wellington SWA—Cobb Lake Unit, Andy Bankert reported
2 Cinnamon Teal, Northern Bobwhite, Sora, 3 juv Black-bellied Plover,
Red-naped Sapsucker, Blue-gray Gnatcatcher, 6 Ruby-crowned Kinglet, Hermit
Thrush, 2 American Pipit, 2 Clay-colored Sparrow, 1 Savannah Sparrow, and
Lincoln’s Sparrow.

MESA COUNTY:
---On September 27 at Colorado River SP—Fruita Section, Coen Dexter and
Brenda Wright reported Rock Wren, Marsh Wren, and 2 Bank Swallow.
---On September 28 at 768 S 16 ½ Road, Glade Park, David Price reported
Williamson’s Sapsucker, Woodhouse’s Scrub-Jay, 8 Bushtit, 12 Mountain
Bluebird.

MOFFAT COUNTY:
---On September 28 at Loudy Simpson Nature Trail, Jan Leonard reported 3
Ruby-crowned Kinglet, Swainson’s Thrush, Hermit Thrush, Lincoln’s Sparrow,
and Nashville Warbler.

MONTROSE COUNTY:
---On September 26 at Rose Garden, Coen Dexter and Brenda Wright reported
Red-naped Sapsucker, Hammond’s Flycatcher, Dusky Flycatcher, Black Phoebe,
3 Woodhouse’s Scrub-Jay, 2 Rock Wren, 2 Bewick’s Wren, 2 Ruby-crowned
Kinglet, Sage Thrasher, 2 Brewer’s Sparrow, and 6 Sagebrush Sparrows.

PARK COUNTY:
---On September 25 at Antero Reservoir, Steve Mlodinow reported 17
Bufflehead, 7 American Avocet, Red-necked Phalarope, 2 Sabine’s Gull, 5
White-faced Ibis, 10 American Pipit, and Horned Grebe.
---On September 25 at Eleven Mile SP, Steve Mlodinow reported Sabine’s
Gull, ad, 13 Common Tern, 45 Mountain Bluebird, and 10 American Pipit.
---On September 25 at Spinney Mountain Reservoir, Steve Mlodinow reported
Red-breasted Merganser, Common Nighthawk, 6 Semipalmated Plover, Western
Sandpiper, Common Tern, 225 American Pipit, Chestnut-collared Longspur, and
7 Savannah Sparrow.
---On September 25 at Jefferson (town), Steve Mlodinow reported
Yellow-throated Warbler.

PITKIN COUNTY:
---On September 25 at 1223 Little Woody Creek Road, Woody Creek, Rebecca
Weiss reported 4 Steller’s Jay, 12 Woodhouse’s Scrub-Jay, and 2 Lesser
Goldfinch.
---On September 27 at (39.191, -106.841) near Aspen, Rececca Weiss reported
2 Woodhouse’s Scrub-Jay, 2 Marsh Wren, and Lincoln’s Sparrow.

PROWERS COUNTY:
---On September 27 in Lamar, Jane Stulp and Janel Thompson reported 40
Common Nighthawk and 125 Mississippi Kites.
---On September 27 at North Gateway Park, Jane Stulp reported Snow Goose
and Tundra Swan.

PUEBLO COUNTY:
---On September 26 at Chico Basin Ranch, Joel and Dale Adams reported
Broad-winged Hawk, Dusky Flycatcher, Eastern Phoebe, SEDGE WREN, Marsh
Wren, 3 Blue-gray Gnatcatcher, 5 Ruby-crowned Kinglet, Hermit Thrush, Brown
Thrasher, 2 American Pipit, 8 Savannah Sparrow, 15 Lincoln’s Sparrow, and
Canyon Towhee; John Drummond also reported Least Flycatcher and Bewick’s
Wren.

SUMMIT COUNTY:
---On September 26 at Dillon Reservoir Frisco Marina, M Walt reported Gray
Catbird.

WASHINGTON COUNTY:
---On September 26 at Prewitt Reservoir, Norm Lewis reported Solitary
Sandpiper and 4 White-faced Ibis.

WELD COUNTY:
---On September 28 at Norma’s Grove, Dean Shoup and Joey Kellner reported
imm Broad-winged Hawk, 2 Blue-gray Gnatcatcher, 5 Ruby-crowned Kinglet,
Swainson’s Thrush, 4 Hermit Thrush, and 5 Lincoln’s Sparrow.
---On September 28 at CR 57 S of CR 100, Joey Kellner and Dean Shoup
reported Mountain Bluebird.

YUMA COUNTY:
---On September 26 at CR 4 from Hale Crossroad to Hale Ponds, David
Suddjian and DFO field trip reported 6 Red-headed Woodpecker (all hatch
yr), 3 Red-bellied Woodpecker, 29 Eastern Bluebird, 30 Clay-colored
Sparrow, Orchard Oriole (f-type), Palm Warbler (Western), 2 f Lazuli
Bunting.
---On September 26 at Bonny Reservoir—Wagon Wheel CG, David Suddjian and
DFO field trip reported Broad-winged Hawk, Cassin’s Vireo, 5 Clay-colored
Sparrow, 2 Lincoln’s Sparrow.

DFO Field Trips
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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