Date: 9/28/18 3:06 am
From: Joyce Takamine <jabirujt...>
Subject: [cobirds] Colorado Rare Bird Alert, 28 September 2018
Compiler: Joyce Takamine
e-mail: RBA AT

This is the Date: September 28, 2018

Rare Bird Alert for Friday, September 28 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)
Cinnamon Teal (*Garfield)
Mexican Duck (Larimer)
Northern Pintail (Summit)
Bufflehead (Park)
Common Goldeneye (Chaffee)
Hooded Merganser (Park)
Red-breasted Merganser (Huerfano, Park)
Horned Grebe (Adams, Park)
Common Nighthawk (*Boulder, Park, Prowers)
Virginia Rail (Boulder, *La Plata, Pueblo)
Sora (Eagle, Hinsdale, Montrose, Pueblo)
American Avocet (Huerfano, Park)
Black-bellied Plover (*Alamosa, 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)
Spotted Sandpiper (Park)
Western Sandpiper (Park)
Solitary Sandpiper (Larimer, Las Animas, Washington)
Willet (Washington)
Red-necked Phalarope (Montrose, 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 (*Garfield, Weld)
Snowy Egret (*Boulder)
White-faced Ibis (Boulder, Park, Washington)
Mississippi Kite (Prowers)
Broad-winged Hawk (Larimer*Pueblo, *Yuma)
Lewis’s Woodpecker (La Plata)
Red-headed Woodpecker (Yuma)
Red-bellied Woodpecker (Yuma)
Red-naped Sapsucker (Adams, *El Paso, Larimer, Mesa, Montrose)
Ladder-backed Woodpecker (El Paso, Pueblo)
Downy Woodpecker (Larimer)
Least Flycatcher (Pueblo)
Hammond’s Flycatcher (El Paso, Montrose, Pueblo)
Gray Flycatcher (El Paso, Hinsdale, Mesa, Montrose)
Dusky Flycatcher (Cheyenne, *El Paso, *La Plata, Montrose, Pueblo)
Western Flycatcher (Pueblo)
Cordilleran Flycatcher (Larimer, Mesa, Montezuma)
Black Phoebe (La Plata, Montrose)
Eastern Phoebe (Pueblo)
Cassin’s Kingbird (Cheyenne, Denver, Pueblo)
Eastern Kingbird (Larimer)
Loggerhead Shrike (El Paso)
Gray Vireo (Mesa)
Cassin’s Vireo (*El Paso, Mesa, Yuma)
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, Montezuma, Montrose, *Pitkin)
Common Raven (Adams)
Tree Swallow (*Archuleta)
Bank Swallow (*Mesa)
Cliff Swallow (*Archuleta)
Juniper Titmouse (*La Plata, Mesa, Montrose)
Bushtit (*La Plata, *Larimer, Montrose)
Rock Wren (*El Paso, Grand, Hinsdale, *Mesa, Montrose)
Marsh Wren (*Adams, Arapahoe, *Mesa, *Pitkin, Pueblo)
Bewick’s Wren (Las Animas, Mesa, Montrose, Pueblo)
Blue-gray Gnatcatcher (*Boulder, El Paso, *Hinsdale, *Jefferson, Montrose,
Phillips, Pueblo, Washington)
Golden-crowned Kinglet (*El Paso, San Juan)
Ruby-crowned Kinglet (*Adams, *Archuleta, *Boulder, Cheyenne, *El Paso,
Hinsdale, Huerfano, La Plata, Mesa, Montrose, Pueblo)
Eastern Bluebird (Yuma)
Mountain Bluebird (*Archuleta, Broomfield, Grand, Hinsdale, Park)
Swainson’s Thrush (*El Paso, Jefferson)
Hermit Thrush (*Adams, *El Paso, Larimer, Pueblo)
Gray Catbird (Summit)
Curve-billed Thrasher (*El Paso, Pueblo)
Brown Thrasher (El Paso, Pueblo)
Sage Thrasher (*Archuleta, Boulder, *El Paso, *Hinsdale, Huerfano,
Montrose, Pueblo)
American Pipit (*Archuleta, *El Paso, Hinsdale, 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 (Cheyenne, *El Paso, Pueblo, Yuma)
Brewer’s Sparrow (*Archuleta, *Boulder, *La Plata, Mesa, Montrose)
Lark Sparrow (*Hinsdale)
Sagebrush Sparrow (*Archuleta, Montrose)
Lark Bunting (Boulder, *El Paso)
Savannah Sparrow (*El Paso, Hinsdale, Lincoln, Park, Pueblo)
Fox Sparrow (San Juan)
Lincoln’s Sparrow (*Adams, *Archuleta, *Boulder, *El Paso, Huerfano, *La
Plata, Larimer, *Pitkin, Pueblo, Yuma)
White-throated Sparrow (*Adams, El Paso, Huerfano, Larimer)
Yellow-breasted Chat (Jefferson)
Yellow-headed Blackbird (Hinsdale)
Orchard Oriole (Yuma)
Rusty Blackbird (*Arapahoe)
Ovenbird (El Paso, Pueblo)
Northern Waterthrush (Douglas, La Plata)
Prothonotary Warbler (*Boulder)
Nashville Warbler (El Paso, La Plata)
Chestnut-sided Warbler (Prowers)
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)

---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 25 at Rocky Mountain Arsenal NWR, Tyler Wilson reported
Horned Grebe.
---On September 24 at Vogel Ponds OS, Tyler Wilson reported Red-naped
Sapsucker, Common Raven, Ruby-crowned Kinglet.

---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

---On September 27 at Cedntennial Park, Edward Donnan reported 5 Rusty

---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.

---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.

---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 24 at Walden Ponds/Cottonwood Marsh, Peter Burke, Leslie S,
Tracy and Luke Pheneger, and Dan Zmolek reported Pectoral Sandpiper, Snowy
Egret, and White-faced Ibis. 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 24 on CR 66 Grasslands, Christian Nunes reported Sage
Thrasher and Lark Bunting.
---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.

---On September 26 at W 134th Place, Matt Hofeditz reported 2 Mountain

---On September 25 at Sands Lake SWA, Cynthia Kristensen reported Common

---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.

---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.

---On September 26 at Westerly Creek 2901 – 2969 Clinton, Kenna Sue Trickey
reported 2 American Tree Sparrow.

---On September 25 at Lake Creek Village Wetlands, JoAnn Riggle reported

---On September 24 at Chico Basin Banding Station, Kim Geissler reported 3
Ruby-crowned Kinglet, Ovenbird, and 3 Lincoln’s Sparrow. 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
---On September 24 at Chico Basin Ranch, John Drummond reported
Ladder-backed Woodpecker, Hammond’s Flycatcher, Cassin’s Vireo,
Philadelphia Vireo, 3 Ruby-crowned Kinglet, Curve-billed Thrasher, Brown
Thrasher, 3 Sage Thrasher, Clay-colored Sparrow, 7 Lincoln’s Sparrow and
Nashville Warbler. 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.

---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.

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

---On September 24 at Brown Lakes SWA, Kathy Mihm Dunning reported 2 Sora,
Gray Flycatcher, Rock Wren, Ruby-crowned Kinglet, 4 Mountain Bluebird, 21
American Pipit, Savannah Sparrow, and 2 Yellow-headed Blackbird.
---On September 27 at San Cristobal, Gary Koehn reported 3 Lark Sparrow,
Sage Thrasher, and Blue-gray Gnatcatcher.

---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.

---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 23, Tina
Jones, Bez Bezuidenhout, Kevin DeBoer, and Brian Johnson reported imm m
RUBY-THROATED HUMMINGBIRD. Tina is closing her yard to birders from
Monday, September 24.
---On September 24 at Lower White Ranch Park, Jerry Baines reported
Yellow-breasted Chat.
---On September 27 at Wheat Ridge Greenbelt, Kevin DeBoer reported
Blue-gray Gnatcatcher and Blackpoll Warbler.

---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 25 at pond N of Horseshoe Reservoir, Joshua Smith Reported
Mexican Duck.
---On September 24 at North Shields Pond, David Wade reported Solitary
Sandpiper, Downy Woodpecker (Eastern), and Ruby-crowned Kinglet.
---On September 24 at Grandview Cemetery, Dave Leatherman reported
Broad-winged Hawk and Lincoln’s Sparrow. 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

---On September 24 at Horsethief Canyon SWA, Mike Henwood reported 2
Red-naped Sapsucker, Gray Flycatcher, 2 Cordilleran Flycatcher, Cassin’s
Vireo, Juniper Titmouse, Ruby-crowned Kinglet, 20 Brewer’s Sparrow.
---On September 24 at Connected Lakes SP, Adam Cupito reported Gray Vireo
(banded), Juniper Titmouse, and Bewick’s Wren.
---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 24 at Nucla Domestic Reservoir, Coen Dexter and Brenda
Wright reported Sora, Red-necked Phlarope, Gray Flycatcher, 2 Dusky
Flycatcher, 2 Juniper Titmouse, 2 Bushtit, 2 Rock Wren, Bedwick’s Wren, and
Blue-gray Gnatcatcher.
---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.

---On September 24 at Antero Reservoir, Ted Uhleman reported 2 Spotted
Sandpiper, 37 American Pipit and Savannah Sparrow. 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 24 at Eleven Mile SP, south side of reservoir, David
Suddjian and DFO field trip reported 2 Hooded Merganer (f-type) and 5
American Pipit. On September 25 at Eleven Mile SP, Steve Mlodinow reported
Sabine’s Gull, ad, 13 Common Tern, 45 Mountain Bluebird, and 10 American
---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.

---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
---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.

---On September 24 at S 13th St in Lamar, Dorothy Russell reported
---On September 24 at Lamar Community College, Jill Smith reported imm
Chestnut-sided Warbler.
---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.

---On September 24 at Chico Basin Ranch, Alan Ketcham and John Drummond
reported Virginia Rail, Sora, Ladder-backed Woodpecker, Hammond’s
Flycatcher, Western Flycatcher, Eastern Phoebe, SEDGE WREN, Marsh Wren, 3
Ruby-crowned Kinglet, Hermit Thrush, Curve-billed Thrasher, 5 Sage
thrashers, Clay-colored Sparrow, Savannah Sparrow, Lincoln’s Sparrow, 2
Ovenbird, and Canyon Towhee. 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.

---On September 24 on Dillon Dam Road, Frisco, Donald Pendleton reported 15
Northern Pintail.
---On September 26 at Dillon Reservoir Frisco Marina, M Walt reported Gray

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

---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
---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; 303-329-[8646)
This trip is FULL.

Good Birding,
Joyce Takamine

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