Date: 10/20/18 3:06 am
From: Joyce Takamine <jabirujt...>
Subject: [cobirds] Colorado Rare Bird Alert, 20 October 2018
Compiler: Joyce Takamine
e-mail: RBA AT cobirds.org
Date: October 20, 2018
This is the Colorado Rare Bird Alert for Saturday, October 20 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)

Cackling Goose (Adams, *Boulder)
Wood Duck (*Custer, *San Miguel)
Greater Scaup (Mesa )
Surf Scoter (*Adams, *La Plata)
Common Goldeneye (Larimer, *Park)
Hooded Merganser (*Adams, *Arapahoe, *Boulder)
Red-breasted Merganser (*Boulder, *Jefferson)
Horned Grebe (Denver, Montrose, *Park)
Red-necked Grebe (*Larimer)
Sandhill Crane (*La Plata)
American Avocet (Adams)
Black-bellied Plover (Adams
American Golden-Plover (*Adams, *Boulder, *Summit)
Stilt Sandpiper (Adams, *Boulder, *Larimer, *Weld)
Sanderling (Adams, *Jefferson)
Baird’s Sandpiper (Adams, *La Plata)
Least Sandpiper (Boulder)
Pectoral Sandpiper (Adams, Douglas, *El Paso, *Weld)
Semipalmated Sandpiper (Weld)
Short-billed Dowitcher (El Paso)
Long-billed Dowitcher (*Adams, *Boulder, Chaffee, *Custer, *La Plata,
*Park, *Weld)
Spotted Sandpiper (*Adams, *Arapahoe)
Lesser Yellowlegs (Adams, *Weld)
Greater Yellowlegs (Adams, *Boulder, *Custer, *Park, *Summit, *Weld)
Wilson’s Phlaraope (*Adams)
Bonaparte’s Gull (Boulder, *Jefferson, *La Plata, *Mesa, *Weld)
Franklin’s Gull (Adams, Boulder, *Jefferson, Rio Grande, *Weld)
Mew Gull (Boulder)
WESTERN GULL (Larimer)
Lesser Black-backed Gull (*Larimer, *Park)
Forster’s Tern (*La Plata, *Montezuma, *Park, Summit)
Red-throated Loon (Denver, *Weld)
Pacific Loon (*Larimer)
Common Loon (*Larimer, *Montezuma, *Weld)
Burrowing Owl (*Summit)
Lewis’s Woodpecker (*Boulder)
Yellow-bellied Sapsucker (Larimer)
Red-naped Sapsucker (*Eagle, Larimer)
American Kestrel (Clear Creek)
Peregrine Falcon (Boulder)
Hammond’s Flycatcher (*Montrose)
Gray Flycatcher (Jefferson)
Dusky Flycatcher (La Plata)
Cordilleran Flycatcher (Larimer, Montezuma)
Black Phoebe (La Plata)
Eastern Phoebe (Baca)
Scissor-tailed Flycatcher (El Paso)
Loggerhead Shrike (*El Paso)
Northern Shrike (Baca, Larimer)
Canada Jay (Clear Creek, Jackson)
Pinyon Jay (*Custer, Eagle)
Steller’s Jay (Clear Creek, *Eagle, El Paso, Jackson, Jefferson, Larimer,
Pitkin)
Woodhouse’s Scrub-Jay (El Paso, *La Plata, *Montrose)
Clark’s Nutcracker (Clear Creek, *Custer, Jefferson)
Chihuahuan Raven (*Kiowa)
Tree Swallow (La Plata)
Barn Swallow (*La Plata, Mesa, *Montezuma, Montrose)
Juniper Titmouse (*La Plata, Montrose)
Bushtit (El Paso, *La Plata, Mesa, *Montrose)
Rock Wren (*Eagle, Montrose)
House Wren (El Paso)
Marsh Wren (Archuleta, *Custer, *Eagle, Mesa, *Moffat)
Bewick’s Wren (Baca, Montrose)
Blue-gray Gnatcatcher (Jefferson, *Mesa,*Montrose)
American Dipper (*Custer, *Eagle, Jefferso, *La Plata)
Golden-crowned Kinglet (Clear, Creek, Jefferson)
Ruby-crowned Kinglet (Adams, Baca *Boulder, *Custer, *Eagle, *El Paso,
Jefferson,* La Plata, Larimer, *Mesa, *Montezuma, *Montrose, *San Miguel)
Mountain Bluebird (*Adams, Baca, *Boulder, *Custer,* El Paso,*Jefferson,
*La Plata, *San Miguel)
Hermit Thrush (Boulder, *El Paso, *La Plata, *Larimer)
Curve-billed Thrasher (*El Paso)
Sage Thrasher (Larimer, Mesa)
American Pipit (*Custer, *Eagle, *Jefferson, *La Plata, Summit, Weld)
Red Crossbill (*Custer)
Lapland Longspur (*El Paso)
Chestnut-collared Longspur (*Adams, *El Paso)
Green-tailed Towhee (*Boulder, El Paso)
Canyon Towhee (*El Paso)
Savannah Sparrow (Larimer, Park)
Clay-colored Sparrow (*Custer)
Brewer’s Sparrow (Mesa, *Montrose)
Field Sparrow (Adams, Baca)
Fox Sparrow (La Plata, Larimer, Logan)
Lincoln’s Sparrow (Adams, *Boulder, Clear Creek, *Custer, *Eagle, *El Paso,
Garfield)
Swamp Sparrow (*Custer)
White-throated Sparrow (*Eagle, Jackson, Larimer, *Montrose)
Harris’s Sparrow (*Boulder, Larimer)
Rusty Blackbird (*Eagle)
Great-tailed Grackle (Archuleta)
Orange-crowned Warbler (Douglas, *Eagle, El Paso, Ouray)
MacGillivray’s Warbler (El Paso)
Common Yellowthroat (*Custer, El Paso, Mesa)
Hooded Warbller (*Eagle)
Magnolia Warbler (*Boulder)
Palm Warbler (*Boulder, Jefferson)
Townsend’s Warbler (*Eagle, *La Plata, Pueblo)
Wilson’s Warbler (*Eagle, *La Plata, *Mesa)
Western Tanager (Boulder, Pueblo)
Rose-breasted Grosbeak (*Pitkin)

ADAMS COUNTY:
---On October 18 at Rocky Mountain Arsenal NWR, Ginny Bergstrom and
Christine Alexander reported Surf Scoter and 40 Mountain Bluebirds. On
October 19 at Rocky Mountain Arsenal NWR, Sarah Leavesley, Joe Chen, Mark
Obascik, Gwen Moore, and Pablo Quezada reported Surf Scoter, 7 Hooded
Merganser, American Golden-Plover (Lower Derby), 6 Long-billed Dowitcher,
Spotted Sandpiper, Wilson’s Phalarope, and 2 Mountain Bluebirds.
---On October 18 at Barr Lake SP, David Dowell reported 105 Cackling Geese,
3 American Avocet, 4 Black-bellied Plovder, American Golden-Plover, Stilt
Sandpiper, 12 Sanderling, Baird’s Sandpiper, 3 Pectoral Sandpiper, 21
Long-billed Dowitcher, 2 Greater Yellowlegs, 4 Lesser Yellowlegs, 4
Franklin’s Gull, and Field Sparrow.
---On October 19 at 5122 CR 29 in Bennett, Logan Parr reported
Chestnut-collared Longspur.

ARAPAHOE COUNTY:
---On Ocgtober 19 at Centennial Park, Crystal Wilson reported 2 Hooded
Merganser and Spotted Sandpiper.

ARCHULETA COUNTY:
---On October 18 at Pagosa Springs San Juan River Walk, Roger Stone
reported Marsh Wren and 3 Great-tailed Grackles (2m, 1f),

BACA COUNTY:
---On October 18 at Carrizo Canyon Picnic Area, Julio Merayo reported
Eastern Phoebe, Northern Shrike, Bewick’s Wren, 3 Ruby-crowned Kinglet, 125
Mountain Bluebird, 23 Field Sparrow.


BOULDER COUNTY:
---On October 18 at Prince Lake #2, Ron Bolton, Dan Zmolek, Meg Reck, Luke
Hensley, Dean Shoup, Matt Hofeditz, and Richard Trinkner reported American
Golden-Plover, 2 Stilt Sandpiper, 13 Long-billed Dowitcher, Mew Gull and
Franklin’s Gull. On October 19 at Prince Lake #2, Ron Bolton, John
Haycraft, and Charlie Chase reported American Golden-Plover, Stilt
Sandpiper, and 8 Long-billed Dowitcher.
---On October 18 on CU East Campus Confluence Ponds and Skunk Creek, Luke
and tracy Pheneger and Richard TGrinkner reported Palm Warbler.
---On October 18 at Hecla Lake, Mike Hensley reported 6 Cackling Geese and
Hooded Merganser.
---On October 18 at Twin Lakes, Leslie S reported 3 Least Sandpiper, 7
Long-billed Dowitcher, Greater Yellowlegs, 4 Ruby-crowned Kinglet, and 4
Hermit Thrush.
---On October 18 at Terry Lake, Nathan Pieplow reported 2 Bonaparte’s Gull
and Peregrine Falcon.
---On October 18 on Old St Vrain Road in Lyons, Leslie S reported Lewis’s
Woodpecker.
---On October 18 at Valmont Overlook/Legion Park, Nathan PIeple and Bill
Kaempfer reported 34 Cackling Goose.
---On October 19 at Green Mountain Cemetery in Boulder, Bill Kaempfer
reported Lewis’s Woodpecker and Ruby-crowned Kinglet.
---On October 19 at Valmont Reservoir Complex, Ted Floyd reported 23
Cackling Goose, 2 Hooded Merganser, 22 Red-breasted Merganser, 3 Greater
Yellowlegs, Ruby-crowned Kinglet, 2 Mountain Bluebird, Lincoln’s Sparrow,
and Green-tailed Towhee.
---On October 19 in Louiseville Paula Hansley reported 1st winter Harris’s
Sparrow on her patio. Birders are welcome. Call her at 720-890-2628 for
details.
---On October 19 at Boulder Creek and University of Colorado Campus, Nathan
Pieplow reported Magnolia Warbler about 25 yards W of footbridge on S side
of creek.

CHAFFEE COUNTY:
---On October 18 at Buena Vista Ice Pond (private), Christian Hagenlocher
reported Hooded Merganser and Long-billed Dowitcher.

CLEAR CREEK:
---On October 18 at Echo Lake, Reed Gerdes reported American Kestrel, 6
Canada Jay, 3 Steller’s Jay, Clark’s Nutcracker, and Golden-crowned Kinglet.

CUSTER COUNTY:
---On October 19 at DeWeese Reservoir, Joel and Dale Adams and Jerry DeBoer
reported 2 Wood Duck, 39 Long-billed Dowitcher, 12 Greater Yellowlegs, 10
Pinyon Jay, Clark’s Nutcracker Marsh Wren, 2 American Dipper, Ruby-crowned
Kinglet, Mountain Bluebird, 5 American Pipit, 2 Red Crossbill, Clay-colored
Sparrow, Lincoln’s Sparrow, Swamp Sparrow, 2 Common Yellowthroat.

DENVER COUNTY:
---On October 18 at Marston Reservoir, Steve Rash reported Red-throated
Loon.

EAGLE COUNTY:
---On October 18 at Walking Mountain Science Center, Aidan Goldie reported
Pinyon Jay and American Pipit. On October 19 at Walking Mountains Science
Center, Aidan Goldie and Eric Culbertson reported 3 Ruby-crowned Kinglet,
American Pipit, Lincoln’s Sparrow, and Wilson’s Warbler.
---On October 19 on N Main St in Minburn, Eric Culbertson, Jennifer Austin
and William Prusse reported Red-naped Sapsucker, 3 Steller’s Jay,
Ruby-crowned Kinglet, 2 American Dipper, White-throated Sparrow, Lincoln’s
Sparrow, Rusty Blackbird, Hooded Warbler, and 2 Wilson’s Warbler.
---On October 19 at Lake Creek Village Wetlands, Eric Culbertson reported
Rock Wren, Marsh Wren, 2 Ruby-crowned Kinglet, Lincoln’s Sparrow,
Orange-crowned Warbler, Townsend’s Warbler, and 2 Wilson’s Warbler.

EL PASO COUNTY:
---On October 18 at Clear Spring Ranch, Alan Ketcham reported 4 Bushtit, 4
Ruby-crowned Kinglet, Lincoln’s Sparrow, Green-tailed Towhee, 2
Orange-crowned Warbler, and Common Yellowthroat. On October 19 at Clear
Spring Ranch, Steve Brown reported Turkey Vulture and banded 3 Ruby-crowned
Kinglet.
---On October 18 at The Classic Academy, Alan Versaw reported 3 Steller’s
Jay, 10 Woodhouse’s Scrub-Jay, Ruby-crowned Kinglet, 20 Mountain Bluebird
(flyover), Lincoln’s Sparrow, MacGillivray’s Warbler, and Common
Yellowthroat.
---On October 18 at Squirrel Creek Road Reservoir, Alan Ketcham reported
Pectoral Sandpiper and 3 Long-billed Dowitcher. On October 29 at Squirrel
Creek Road Reservoir, Jim Merritt reported Pectoral Sandpiper.
---On October 9 at Chico Basin Ranch, Jim Merrit, Joel and Dale Adams
reported Loggerhead Shrike, Ruby-crowned Kinglet, 17 Mountain Bluebird,
Hermit Thrush, 2 Curve-billed Thrasher, Lincoln’s Sparrow, 3 Canyon
Towhee, Lapland Longspur, and 17 Chestnut-collared Longspur.

GARFIELD COUNTY:
---On October 18 in Carbondale, Georgia Harper reported 2 Lincoln’s Sparrow.

JACKSON COUNTY:
---On October 18 at Colorado State Forest Moose Visitor Center, Elaine
Wagner reported 3 Canada Jay, 5 Steller’s Jay and White-throated Sparrow.

JEFFERSON COUNTY:
---On October 18 at Arvada Blunn Reservoir, Myron Gerhard reported 2
Ruby-crowned Kinglet, 20 Mountain Bluebird, 2 American Pipit, and Palm
Warbler.
---On October 18 at White ranch Open Space Park, Chris Wood reported 15
Steller’s Jay, 2 Clark’s Nutcracker, Golden-crowned Kinglet, Ruby-crowned
Kinglet, and 16 Mountain Bluebird (flyover).
---On October 18 at Bear Creek Greenbelt – S Kipling Pkwy to S Wadsworth,
Max Miller reported Blue-gray Gnatcatcher, American Dipper, and
Ruby-crowned Kinglet.
---On October 19 at Standley Lake and Park, Shannon Cwik reported 2
Red-breasted Merganser, Sandering, 2 Bonaparte’s Gull, 3 Franklin’s Gull,
27 Mountain Bluebird, and 2 American Pipit.

KIOWA COUNTY:
---On October 19 at CR 71 and CR M, Tony Leukering reported Chichuahuan
Raven.

LA PLATA COUNTY:
---On October 18 at Pastorius Reservoir, Jason St. Pierre, Susan Allerton,
and Jim Beatty reported Surf Scoter, 2 Baird’s Sandpiper, Long-billed
Dowitcher, Dusky Flycatcher, Woodhouse’s Scrub-Jay, Tree Swallow, 16 Barn
Swallow, 10 Bushtit, 4 Ruby-crowned Kinglet, 2 Mountain Bluebird, 2
American Pipit, 2 Forester’s Tern, and Townsend’s Warbler. On October 19
at Pastorius Reservoir, Susan Allerton and Ryan Votta reported Surf Scoter,
2 Baird’s Sandpiper, 2 Long-billed Dowitcher, Bonaparte’s Gull, 2
Forester’s Tern, Woodhouse’s Scrub-Jay, 2 Barn Swallow, Juniper Titmouse,
14 Bushtit, 4 Ruby-crowned Kinglet, 5 Mountain Bluebird, 3 American Pipit,
Townsend’s Warbler, 3 Sandhill Crane (flyover).
---On October 18 at Animas River—Huck Finn Pond and Hatchery area, Ryan
Votta reported Woodhouse’s Scrub-Jay, 3 Ruby-crowned Kinglet, Fox Sparrow
(Slate Color), Townsend’s Warbler, and Wilson’s Warbler. On October 18 at
Animas River—Huck Finn Pond and Hatchery Area, Ryan Votta reported American
Dipper, Ruby-crowned Kinglet, 2 Hermit Thrush, and Wilson’s Warbler.

LARIMER COUNTY:
---On October 18 at Arapahoe Bend NA, Nathan Pieplow reported pair of
Common Goldeneye and 2 Savannah Sparrow.
---On October 18 at Bobcat Ridge NA, Christine Sparks reported
Yellow-bellied Sapsucker, Red-naped Sapsucker, 2 Ruby-crowned Kinglet, and
Hermit Thrush.
---On October 18 at Running Deer & Cottonwood Hollow NA, Nathan Pieplow
reported Northern Shrike, Sage Thrasher, and juv Harris’s Sparrow.
---On October 18 at Arapahoe Ridge NA—Rigden Reservoir (Strauss Lake
Cabin), Jay Breidt reported Fox Sparrow (red).
---On October 18 at Horsetooth Reservoir, Nick Komar reported WESTERN GULL
and Common Loon. On October 19 at Horsetooth Reservoir, Nick Komar
reported 3 Stilt Sandpiper and 6 Lesser Black-backed Gull.
---On October 18 at Carriage Hills Estes Park, Steve Kingswood reported Fox
Sparrow (red) and White-throated Sparrow visiting his yard. Most of the
time they were behind the house (east side), near a storage shed and
Russian Olive. Steve welcomes birders to try for the sparrows. His
address is 2304 Carriage Drive. From the driveway, walk around the South
side of the house toward the storage Shed. The Russian Olive is just North
of the Shed. Please give feed back to Steve at steveandyoko AT gmail.com.
---On October 19 at Lonetree Reservoir, David Wade reported Red-necked
Grebe, Pacific Loon, Common Loon, and Hermit Thrush.

LOGAN COUNTY:
---On October 18 on Hwy 14 and CR 29, Lori Zabel reported Fox Sparrow (red).

MESA COUNTY:
---On October 18 at Colorado River SP – Fruita Section, Mike Henwood
reported 2 f Greater Scaup, Osprey (flyover), 40 Barn Swallow, 2 Marsh
Wren, 5 Ruby-crowned Kinglet, and Sage Thrasher.
---On October 18 at Grand Junction WA, Carol Ortenzio reported 11 Bushtit,
Blue-gray Gnatcatcher, 2 Ruby-crowned Kinglet, and Brewer’s Sparrow.
---On October 19 at Highline Lake SP, Douglas Diekman reported Bonaparte’s
Gull, Osprey, 2 Blue-gray Gnatcatcher, 5 Ruby-crowned Kinglet, and Wilson’s
Warbler.

MOFFAT COUNTY:
---On October 19 at Loudy-Simpson Nature Trail, Bill Hopping reported Marsh
Wren.

MONTEZUMA COUNTY:
---On October 19 at Totten Reservoir, Erik Hendrickson reported 2 Forster’s
Tern, 2 Common Loon, 5 Barn Swallow, Ruby-crowned Kinglet.

MONTROSE COUNTY:
---On October 18 at Otter Pond Betty Fenton reported 4 Horned Grebe and
Ruby-crowned Kinglet.
---On October 18 at Nucla Domestic Reservoir, Coen Dexter and Brenda Wright
reported Hooded Merganser, Hammond’s Flycatcher, 2 Woodhouse’s Scrub-Jay, 2
Barn Swallow, 2 Juniper Titmouse, Rock Wren, Bewick’s Wren, 9 Ruby-crowned
Kinglet, 24 Mountain Bluebird, and Hermit Thrush.
---On October 19 on old Hwy 90 through Silver Hawk Ranch, Coen Dexter and
Brenda Wright reported Hammond’s Flycatcher, 5 Woodhouse’s Scrub-Jay, 12
Bushtit, 2 Blue-gray Gnatcatcher, 6 Ruby-crowned Kinglet, 2 Brewer’s
Sparrow, White-throated Sparrow.

PARK COUNTY:
---On October 19 at Antero Reservoir, Kevin Ash and Rebecca Laroche
reported Common Goldeneye ant 15 Horned Grebe; on the SE side, they
reported 3 Long-billed Dowitcher, Greater Yellowlegs.
---On October 19 at Elevenmile SP, Kevin Ash and Rebecca Laroche reported
Lesser Black-backed Gull.

PITKIN COUNTY:
---On October 18 at Midland Park in Aspen, Catherine Hagen reported
Steller’s Jay, 11 Red-winged Blackbirds, and Rose-breasted Grosbeak. On
October 18 at Midland Park is Aspen, Catherine Hagen reported Rose-breasted
Grosbeak.

SAN MIGUEL COUNTY:
---On October 18 from Boomerang to River Trails, Erick Hynes reported Wood
Duck, Ruby-crowned Kinglet and Mountain Bluebird.

SUMMIT COUNTY:
---On October 18 at Dillon Reservoir Giberson Bay, M Walt reported American
Golden-Plover, Greater Yellowlegs, Forester’s Tern, and 12 American Pipit.
On October 19 at Dillon Reservoir Giberson Bay, M Walt and Phil Lyon
reported American Golden-Plover, Greater Yellowlegs, and Burrowing Owl.

WELD COUNTY:
---On October 18 at Union Reservoir, Steve Mlodinow reported Stilt
Sandpiper, 3 Long-billed Dowitcher, 6 Bonaparte’s Gull, Franklin’s Gull,
Red-throated Loon. On October 19 at Union Reservoir, Steve Mlodinow
reported 2 Pectoral Sandpiper, 29 Long-billed Dowitcher, Lesser Yellowlegs,
9 Bonaparte’s Gull, Franklin’s Gull, Red-throated Loon, and 2 Common Loon.
---On October 18 at Baxter Lake, Steve Mlodiow reported 2 Stilt Sandpiper,
3 Pectoral Sandpiper, 3 Semipalmated Sandpiper, 145 Long-billed Dowitcher,
and 4 American Pipit. On October 19 at Baxter Lake, Steve Mlodinow
reported 3 Stilt Sandpiper, 4 Pectoral Sandpiper, Greater Yellowlegs, and
Lesser Yellowlegs.

DFO Field Trips
For more details go to the DFO website

Second Creek Open Space
Saturday, October 20
7:00 AM – 11:30 AM
Patrick O’Driscoll )(patodrisk AT gmail.com; 303-885-6955 (cell))

Park County Reservoirs
Monday, October 22
David Suddjian (dsuddjian AT gmail.com; 831-713-8659
Northeastern Colorado
Tuesday, October 23
5:30 AM – 7:00 PM
David Suddjian (dsuddjian AT gmail.com; 831-713-8659)


Good Birding,
Joyce Takamine
Boulder

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