Date: 10/29/18 3:03 am
From: Joyce Takamine <jabirujt...>
Subject: [cobirds] Colorado Rare Bird Alert, 29 October 2018
Compiler: Joyce Takamine
e-mail: RBA AT
Date: October 29, 2018
This is the Colorado Rare Bird Alert for Monday, October 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 is new)

Snow Goose (*Kiowa, Montrose)
Ross’s Goose (*Kiowa)
Greater White-fronted Goose (*Huerfano)
Blue-winged Teal (*Eagle, Mesa)
Cinnamon Teal (Weld)
Eurasian Wigeon (Kiowa, *Montezuma)
Greater Scaup (*Huerfano, Kiowa, *Mesa)
Surf Scoter (La Plata, *Larimerr)
Bufflehead (Gilpin)
Common Goldeneye (Jefferson, Kiowa, *Lake)
Common Merganser (Gilpin)
Red-breasted Merganser (*Arapahoe *Kiowa)
Pied-billed Grebe (Pitkin)
Red-necked Grebe (*Boulder)
Horned Grebe (Denver, Montrose)
Virginia Rail (*Adams, *Boulder)
Sora (Boulder, *Montezuma)
Sandhill Crane (*Adams, *Boulder, Chaffee, *Kiowa, Mesa, Montrose)
American Avocet (*Park)
Black-bellied Plover (Adams)
Semipalmated Plover (*Arapahoe)
Baird’s Sandpiper (*Custer, Larimer)
Least Sandpiper (Larimer)
Pectoral Sandpiper (Douglas)
Short-billed Dowitcher (Arapahoe, El Paso)
Long-billed Dowitcher (*Adams, *Arapahoe, *Boulder, *Custer, *La Plata,
Spotted Sandpiper (Arapahoe, El Paso, Mesa)
Lesser Yellowlegs (*Adams, Arapahoe, *Larimer)
Greater Yellowlegs (*Boulder, *Custer, *Huerfano, Moffat)
Wilson’s Phalarope (Kiowa)
Red Phalarope (Kiowa)
Bonaparte’s Gull (Adams,* Arapahoe, *Boulder, Kiowa)
Franklin’s Gull (Adams, Arapahoe, Kiowa, Larimer, Rio Grande)
Mew Gull (*Larimer)
Iceland Gull (Thayer’s) (Kiowa, Larimer, *Park)
Lesser Black-backed Gull (Adams, *Larimer)
Herring X Glaucous-winged Gull (Kiowa)
Pacific Loon (Delta, *Denver, Kiowa, *Summit)
Common Loon (Arapahoe, *Boulder, Custer, *Denver, Kiowa, *Mesa, San Miguel)
American Bittern (*Boulder)
Osprey (*Fremont, Garfield, *Jefferson, Las Animas)
Northern Goshawk (Montrose)
Lewis’s Woodpecker (Las Animas)
Acorn Woodpecker (*La Plata)
Red-naped Sapsucker (Eagle, *Summit)
Ladder-backed Woodpecker (El Paso)
Hairy Woodpecker (Prowers)
Peregrine Falcon (Jefferson)
Hammond’s Flycatcher (Montrose)
Gray Flycatcher (Jefferson)
Cordilleran Flycatcher (Montezuma)
Say’s Phoebe (*Adams, Arapahoe, Douglas, *Larimer, Mesa)
Loggerhead Shrike (*El Paso)
Northern Shrike (Arapahoe, *Boulder)
Warbling Vireo (El Paso)
Red-eyed Vireo (Kiowa)
Canada Jay (*Jefferson)
Pinyon Jay (*Custer)
Steller’s Jay (Archuleta, *Jefferson, Las Animas, *Summit, Teller)
Woodhouse’s Scrub-Jay ( Fremont, *La Plata, Mesa, Montrose)
Clark’s Nutcracker (*Eagle, *Jefferson)
Chihuahuan Raven (*Huerfano, Kiowa)
Common Raven (Gilpin)
Juniper Titmouse (Fremont, *La Plata, Montrose)
Bushtit (El Paso,*Jefferson, La Plata, *Larimer, Montrose, *Weld)
Brown Creeper (El Paso)
Rock Wren (Fremont)
Winter Wren (Weld)
Marsh Wren (*Adams, *Boulder, *Mesa, *Montezuma)
Bewick’s Wren (Fremont, Montrose)
Blue-gray Gnatcatcher (Adams, Montrose)
American Dipper (Archuleta, *Custer)
Golden-crowned Kinglet (Weld)
Ruby-crowned Kinglet (Adams, Archuleta, El Paso, Kiowa, *La Plata, Mesa,
*Montezuma, Montrose, *Summit, Weld)
Eastern Bluebird (*Huerfano,. Kiowa)
Mountain Bluebird (*Fremont, Gunnison, *Kiowa, *La Plata, Mesa, Montrose)
Hermit Thrush (Fremont, Mesa)
Gray Catbird (*Adams,*Boulder, *El Paso, Jefferson)
Curve-billed Thrasher (*El Paso)
Sage Thrasher (*Arapahoe, El Paso, *Montezuma, Montrose)
Northern Mockingbird (Kiowa)
American Pipit (*Boulder, *Custer, Kiowa, *La Plata, *Teller)
Lesser Goldfinch (*Montezuma)
Chestnut-collared Longspur (Kiowa)
McCown’s Longspur (Kiowa)
Canyon Towhee (*El Paso)
Chipping Sparrow (El Paso)
Savannah Sparrow (Park)
Vesper Sparrow (Kiowa)
Lark Sparrow (*Adams, *Denver)
Lincoln’s Sparrow (Adams, Arapahoe, Archuleta, *Boulder, Clear Creek,
Kiowa, *Montezuma, Montrose)
Swamp Sparrow (*Arapahoe, Custer, *Montezuma)
White-throated Sparrow (El Paso, Kiowa, *Montezuma)
Harris’s Sparrow (*Adams, Boulder, Kiowa, Larimer)
Yellow-headed Blackbird (Adams, *Larimer, Mesa)
Rusty Blackbird (Kiowa, Teller)
Orange-crowned Warbler (Douglas, Montrose, Ouray)
Common Yellowthroat (El Paso, Mesa)
Yellow Warbler (Kiowa)
Black-throated Blue Warbler (Custer)
Townsend’s Warbler (Pueblo)
Wilson’s Warbler (Eagle, El Paso)
Western Tanager (*Arapahoe, Boulder, Pueblo)

---On October 26 at Barr Lake SP, Chris Owens reported Long-billed
Dowitcher, Bonaparte’s Gull, Marsh Wren, Ruby-crowned Kinglet, and Gray
Catbird. On October 27 at Barr Lake SP, Lorraine Lanning reported 2
Black-bellied Plover, Franklin’s Gull, 2 Lesser Black-backed Gull, and 9
Yellow-headed Blackbird. On October 28 at Barr Lake SP, Felice Lyons
reported Gray Catbird and Harris’s Sparrow.
---On October 25 at Valente Lake, Jerome Cech reported 2 Blue-gray
---On October 28 at Rocky Mountain Arsenal NWR – First Creek, John Breitsch
reported Lark Sparrow.
---On October 28 at Metzger Farm OS, Matt Hofeditz reported Gray Catbird.
---On October 28 at Pond north of Big Dry Creek Park, Matt Hofeditz
reported Virginia Rail, Says’s Phoebe, Marsh Wren and Harris’s Sparrow.
---On October 28 at Rocky Mountain Arsenal NWR, Heather and Riley Morris
reported 40 Sandhill Crane (flyover), 6 Long-billed Dowitcher, and Lesser

---On October 26 at Cherry Creek SP—Cottonwood Creek wetlands, Jeff Dawson
reported Least Sandpiper, 3 Long-billed Dowitcher, Lesser Yellowlegs, 8
Bonaparte’s Gull, Franklin’s Gull. On October 27 at Cherry Creek SP, Ben
Sampson reported Short-billed Dowitcher, 5 Long-billed Dowitcher, 16
Bonaparte’s Gull, Common Loon, and Northern Shrike. On October 28 at
Cherry Creek SP, Bez Bezuidenhout reported Sage Thraser. On October 28 at
Cherry Creek SP Paririe View Loop Birding Platform, DuWayne Worthington
reported Semipalmated Plover, 3 Red-breasted Merganser, 3 Long-billled
Dowitcher, and 9 Bonaparte’s Gull.
---On October 25 at Centennail Park, Edward Donnan reported Spotted
---On October 26 at Willow Springs O, Centennial, Jared Del Rosso reported
Northern Shrike, Say’s Phoebe, Lincoln’s Sparrow, and Swamp Sparrow.
---On October 26 at Holly Park, Centennial, Jarel Del Rosso reported
Northern Shrike.
---On October 28 at High Line Canal Trail – E Belleview Ave to E Quincy Ave
(Blackmer Lake), Jared Del Rosso reported Swamp Sparrow and Western Tanager.

---On October 26 in Pagosa Springs, Ben Bailey reported Steller’s Jay, 4
American Dipper, Ruby-crowned Kinglet and Lincoln’s Sparrow.

---On October 23 David Haskell reported a hatch year RUBY-THROATED
HUMMINGBIRD coming to his feeder at Riverside Ave and Redwood Ave, Birders
are welcome to view the bird from the public sidewalk on Redwood Ave. You
can see the balcony with the feeder from there. You cannot see the feeder
from his driveway. Please respect private property and stay out of yards.
On October 25 Bob Fiehweg and Robin Byers and several other birders
reported RUBY-THROATED HUMMINGBIRD on Redwood Ave.
---On October 27 at her home in Louisville, Paula Hansely reported that one
of the Harris’s Sparrows continues. If you would like to try for it, call
her at 720-890-2628.
---On October 27 at Sombrero Marsh and Pond, Rob Cassady reported Sora.
---On October 28 at Peschel OS east of Longmont, Kat Bradley-Bennett and
Jamie Simo reported 3 Sandhill Crane and 2 Northern Shrike.
---On October 28 at Terry Reservoir east side off US 287, Bill Kaempfer and
John Vanderpoel reported 10 Bonaparte’s Gull.
---On October 28 at Boulder Reservoir Complex, Luke Pheneger, Okamoto Kieta
Sin, Dan Zmolek, Leslie S, Tracy Pheneger, Peter Burke, and David Waltman
reported Red-necked Grebe, Bonaparte’s Gull, Common Loon, and American
---On October 28 at Walden Ponds, Ted Floyd reported Virginia Rail,
Long-billed Dowitcher, Greater Yellowlegs, American Bittern, Marsh Wren,
and Lincoln’s Sparrow.

---On October 25 at The Link School Base Camp, Christian Hagenlocher
reported 72 Sandhill Cranes (flyover).

---On October 26 at DeWeese Reservoir, Rich Miller reported Black-throated
Blue Warbler in Willows along Grape Creek below the dam and near concrete
flume. On October 27 at DeWeese Resevoir, Jerry DeBoer reported 4
Long-billed Dowitcher, Greater Yellowlegs, Common Loon, 2 American Dipper,
Swamp Sparrow, Black-throated Blue-Warbler. On October 28 at DeWeese
Reservoir, Joel and Dale Adams reported 3 Baird’s Sandpiper, 3 Long-billed
Dowitcher, 2 Greater Yellowlegs, 2 Pinyon Jay, American Dipper, and 10
American Pipit.

---On October 25 at G50 Rd, Carol Ortenzio and Andrea Robinsong reported
Pacific Loon.

---On October 26 at Marston Reservoir West End, Doug Kibbe and Elaine
Wagner reported Pacific Loon. On October 27 at Marston Reservoir West End,
John Drummond and Lynne Miller and several other birders reported Pacific
Loon and 2 Common Loon. On October 28 at Marston Reservoir, Joe Roller,
Joe Chen, and Phil Lyon reported Pacific Loon, and Common Loon.
---On October 28 at First Creek at DEN OS, John Breitsch reported Lark

---On October 25 at Platte Canyon Reservoir, Lynne Forrester reported Say’s

---On October 26 at Lake Creek Village Wetlands, Eric Culbertson reported
Wilson’s Warbler. On October 28 at Lake Creek Village Wetland, Jennifer
Prusse reported 4 Blue-winged Teal, Clark’s Nutcracker, and American Dipper.

---On October 25 at Clear Spring Ranch, Steve Brown banded Ruby-crowned
Kinglet and Warbling Vireo. On October 26 at Clear Spring Ranch, Steve
Brown banded 2 Bushtit, 2 Ruby-crowned Kinglet, Orange-crowned Sparrow, and
Chipping Sparrow.
---On October 25 at Fountain Creek Regional Park, Joel Adams reported 3
Brown Creeper, 3 Ruby-crowned Kinglet, Harris’s Sparrow, White-throated
Sparrow, 3 Lincoln’s Sparrow, Canyon Towhee, Common Yellowthroat, and
Wilson’s Warbler.
---On October 25 at Big Stratton Reservoir, Terence Berger reported Spotted
Sandpiper and 2 Greater Yellowlegs.
---On October 25 at Chico Basin Ranch, Jim Merritt reported Ladder-backed
Woodpecker, Loggerhead Shrike, Sage Thrasher, and 2 Canyon Towhee. On
October 27 at Chico Basin Ranch, Jim Merritt reported Loggerhead Shrike and
Curve-billed Thrasher. On October 28 at Chico Basin Ranch, Tanja Britton
reported Loggerhead Shrike, 2 Gray Catbird, Curve-billed Thrasher, and 2
Canyon Towhee.

---On October 25 at Brush Hollow Reservoir, Jerry DeBoer reported Osprey, 5
Woodhouse’s Scrub-Jay, Juniper Titmouse, 2 Rock Wren, Bewick’s Wren, 16
Mountain Bluebird, Hermit Thrush. On October 28 at Brush Hollow Reservoir,
Joel and Dale Adams reported 2 Osprey and 2 Mountain Bluebird.

---On October 25 at Lions Park in Rifle, Mary and Phil Lyon reported Osprey.

---On October 25 at Los Lagos Reservoir, Bruce Snyder reported 1 f
---On October 25 at Central City Reservoir, Bruce Snyder reported 4 Common
Merganser, and 26 Common Raven on fresh Elk kill.

---On October 26 on Rd 12 East of Horse Ranch Park, Mike Wanger reported
Mountain Bluebird.

---On October 28 at Lake Marisa, David Tonnessen reported Greater
Yelllowlegs, 3 Chichuahuan Raven, and Eastern Bluebird.
---On October 28 at Orlando Reservoir, David Tonnessen reported Greater
White-fronted Goose, and 2 m Greater Scaup.

---On October 25 at Denver Botanic Gardens Chatfield Farms, Cynthia Madsen,
Martha Eubanks, and Pam Zimmer reported Gray Catbird.
---On October 26 at Bear Creek Lake Park—Big Soda Lakes N Trail, Chuck Aid
reported Common Goldeneye.
---On October 27 at Waterpointe-Bellio OS, Doug Kibbe and Mackenzie
Goldthwaite reported Peregrine Falcon.
---On October 28 at Staunton SP, Steve Roels reported Canada Jay, 4
Steller’s Jay, and 5 Clark’s Nutcracker.
---On October 28 at Chatfield SP, Steve Hebert reported Osprey and 9

---On October 27 at Upper Queens/Neeskah Reservoir, Steve Mlodinow reported
Iceland (Thayer’s) Gull, Common Loon, 13 Ruby-crowned Kinglet, Harris’s
Sparrow, White-throated Sparrow, 2 Lincoln’s Sparrow, Orange-crowned
Warbler, Yellow Warbler.
---On October 27 at Neegronda Reservoir, Steve Mlodinow reported 12 Snow
Geese, Red Phlarope, 115 Franklin’s Gull, Pacific Loon, Common Loon, 2
Chihuahuan Raven. October 28 at Neegronda Reservoir, Tony Leukering
reported Snow Geese and Ross’s Goose.
---On October 27 at Neenoshe Reservoir, Steve Mlodinow reported m Eurasian
Wigeon, f Greater Scaup, Common Goldeneye, 10 Sandhill Crane, 18
Bonaparte’s Gull, 10 Franklin’s Gull, Herring X Glaucous-Winged Gull,
Red-eyed Vireo, 3 Ruby-crowned Kinglet, Eastern Bluebird, Northern
Mockingbird, 2 American Pipit, 2 Chestnut-collared Longspur, McCown’s
Longspur, Vesper Sparrow, and 14 Lincoln’s Sparrow. On October 28 at
Neenoshe Reservoir, Tony Leukering reported 12 Snow Geese, Ross’s Goose, 3
Red-breasted Mergansder, 52 Sandhill Crane, and 11 Mountain Bluebird.

---On October 28 at Mount Elbert Forebay, David Dowell and Michael Lester
reported 12 Common Goldeneye.

---On October 26 at Pastorius Reservoir, Susan Allerton reported Surf
Scoter, 2 Long-billed Dowitcher, Woodhouse’s Scrub-Jay, 4 Bushtit,
Ruby-crowned Kinglet, and 2 American Pipit. On October 28 at Pastorius
Reservoir, Susan Allerton reported Long-billed Dowitcher, Woodhouse’s
Scrub-Jay, Juniper Titmouse, Ruby-crowned Kinglet, Mountain Bluebird, and
American Pipit.
---On October 28 at 1328 CR 142 Durango, Alicia Croliss reported 3 Acorn

---On October 25 at Maple and Fishback, Edward Raynor and David Wade
reported Harris’s Sparrow.
---On October 26 at Timnath Reservoir, Andy Bankert reported Baird’s
Sandpiper, 2 Least Sandpiper, and Iceland (Thayer’s) Gull.
---On October 28 at Dry Creek Reservoir, SE of Carter Lake, Bill Kaempfer
and John Vanderpoel reported Surf Scoter and Say’s Phoebe.
---On October 28 at Loveland Recreational Trail – Wilson Ave to Namaqua
Road, Christine Sparks reported 15 Bushtit and Yellow-headed Blackbird
---On October 28 at Horseshoe Reservoir, Andy Bankert and Carolyn Olson
reported Mew Gull and 7 Lesser Black-backed Gull.
---On October 28 at Gateway Park Pond, Fawn Simonds reported Lesser

---On October 27 at Lake Dorothy SWA, Tony Godfrey reported 3 Lewis’s
Woodpecker Osprey, and Steller’s Jay.

---On October 25 at Horsethief Canyon SWA, Mike Henwood reported Spotted
Sandpiper, 5 Woodhouse’s Scrub-Jay, 2 Marsh Wren, 6 Ruby-crowned Kinglet,
30 Mountain Bluebird, Hermit Thrush.
---On October 25 at Colorado River SP—Fruita Section, Ryan Claar reported
Greater Scaup, Blue-winged Teal, and Marsh Wren. On October 26 at Colorado
River SP Fruita Section, Phil Lyon reported 2 Greater Scaup. On October 28
at Colorado River SP Fruita Section, Ronda Woodward, Deb Stegall and Nic
Korte reported 2 Greater Scaup, Common Loon, and 2 Marsh Wren.
---On October 26 at Loma 11 8/10 Road from P ½ to Q Road, Mike Henwood and
Kathleen McGinley reported 5 Sandhill Crane, Say’s Phoebe, Yellow-headed

---On October 26 at Wyman Living History Museum, Jan Leonard reported 3
Greater Yellowlegs.

---On October 28 at Industrial Park Pond, Cortez, Brenda Wright and Coen
Dexter reported Eurasian Wigeon, Marsh Wren, and Sage Thrasher.
---On October 28 at Denny Lake Park, Coen Dexter, Brenda Wright, and Erick
Hendrickson reported Sora, 3 Ruby-crowned Kinglet, Sage Thrasher,
White-throated Sparrow, 2 Lincoln’s Sparrow, Swamp Sparrow, and Lesser

---On October 25 at Nucla Domestic Reservoir, Coen Dexter and Brenda Wright
reported Juniper Titmouse, Rock Wren, 7 Ruby-crowned Kinglet, 14 Mountain
Bluebird, Orange-crowned Warbler, and Townsend’s Warbler. On October 27 at
Nucla Domestic Reservoir, Coen Dexter and Brenda Wright reported Northern
Goshawk, Hammond’s Flycatcher, Woodhouse’s Scrub-Jay, Juniper Titmouse, 31
Bushtit, 2 Bewick’s Wren, Blue-gray Gnatcatcher, Ruby-crowned Kinglet, 26
Mountain Bluebird.
---On October 26 at Nucla Water Treatment Plant, Coen Dexter and Brenda
Wright reported Snow Goose, 2 Sandhill Crane (flyover), Bewick’s Wren,
Ruby-crowned Kinglet, 66 Mountain Bluebird, 2 Sage Thrasher, and Lincoln’s

---On October 28 at Spinney Mountain Reservoir, David Dowell reported
American Avocet, 7 Long-billed Dowitcher and Iceland (thayer’s) Gull.

---On October 26 at Aspen Center for Environmental Studies, Catherine Hagen
reported 2 Pied-billed Grebe.

---On October 28 at Dillon Reservoir, Giberson Bay, M Walt reported
Red-naped Sapsucker and Steller’s Jay. On October 28 at Dillon Reservoir,
David Dowell and Michael Lester reported Pacific Loon at (39.61439,
---On Octobder 28 at Silverthorne Water Treatment Plant, David Dowell and
Michael Lester reported Ruby-crowned Kinglet.

---On October 27 at Manitou Lake, Robb Hinds, Jan Allbright, and Richard
Bunn reported Steller’s Jay and f Rusty Blackbird. On October 2o8 at
Manitou Lake, Alan and MaryLynne Ketcham reportred American Pipit.

---On October 26 at Crow Valley CG, John Missing reported Winter Wren, 4
Golden-crowned Kinglet, and 2 Ruby-crowned Kinglet.
---On October 27 at Stewart’s Pond, Cathy Sheeter reported Cinnamon Teal.
---On October 28 on 14th Ave in Greeley, Shawn Mason reported 22 Bushtit.

DFO Field Trips
For more details go to the DFO website
Park County Explorations
Monday, October 29
5:30 AM – 4:00 PM
David Suddjian (dsuddjian AT; 831-713-8659)

Colorado Eastern Prairie
Tuesday, October 30
5:30 AM – 6:00 PM
David Suddjian (dsuddjian AT; 831-713-8659)

Mountain Lakes and Scoter Trip
Saturday, November 3
5:30 AM – 6:30 PM
Joey Kellner (vireo1 AT; 303-978-1748)

First Creek at Denver Open Space
Sunday, November 4
6:30 AM – 11:00 AM
Patrick O’Driscoll (patrodrisk AT; 303-885-6955(cell))

Good Birding,
Joyce Takamine

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