Date: 11/6/17 3:27 am
From: Joyce Takamine <jabirujt...>
Subject: [cobirds] Colorado Rare Bird Alert, 6 November 2017
Compiler: Joyce Takamine
e-mail: RBA AT cobirds.org
Date: November 6, 2017

This is the Rare Bird Alert for Monday, November 6 sponsored by Denver
Field Ornithologists and the Bird Conservancy of the Rockies.

Highlight species include: (* indicates new information on this species)
NOTE: The RBA is now using the new AOU checklist and the order of families
has changed.

Greater White-fronted Goose (Boulder, *Sedgwick)
Cackling Goose (Arapahoe, Boulder, *Broomfield, *Kiowa, *Larimer, *Morgan,
Pueblo, *Sedgwick)
Tundra Swan ( Jackson, Moffat, Weld)
Wood Duck (Ouray, Pitkin)
Blue-winged Teal (Boulder)
EURASIAN WIGEON (Pueblo)
Greater Scaup (Routt)
Surf Scoter (Adams, Eagle, Jefferson, *Morgan, Park, Pueblo, Routt, San
Miguel, *Sedgwick)
White-winged Scoter (Park, SanMiguel)
Black Scoter (Pueblo)
Long-tailed Duck (Park, Pueblo)
Barrow’s Goldeneye (Eagle, Montrose, Pitkin, Routt)
Gunnison Sage-Grouse (San Miguel)
Red-necked Grebe (Denver, Fremont, Otero, Pueblo, Weld)
Sora (Mesa)
Sandhill Crane (Mesa, Moffat, Routt, *Weld)
American Avocet (Boulder)
Black-bellied Plover (Bent)
American Golden-Plover (Bent, Washington)
Sanderling (Park, Pueblo)
Dunlin (Washington)
Pectoral Sandpiper (Jackson)
Greater Yellowlegs (*Kiowa)
Wilson’s Phalarope (Jefferson)
PARASITIC JAEGER (*Larimer)
Black-legged Kittiwake (Pueblo)
Sabine’s Gull (Pueblo)
Mew Gull (Larimer)
Iceland Gull (Larimer, *Morgan)
Common Tern (Boulder, Crowley, Denver, Pueblo)
Red-throated Loon (Denver, *Kiowa, *Larimer, Pueblo)
Pacific Loon (Park)
Common Loon (Adams, Bent, *Boulder, Denver, Jackson, *Larimer, Mesa,
*Morgan, Ouray, Park, *Pueblo, San Miguel, *Sedgwick, Weld)
American Bittern (*Boulder)
Great Egret (Montezuma)
Snowy Egret (*Boulder)
Cattle Egret (Kiowa)
White-faced Ibis (Jefferson)
Turkey Vulture (*Pueblo)
Osprey (Larimer, Montezuma)
Broad-winged Hawk (Jefferson)
Lewis’s Woodpecker (Bent)
Red-bellied Woodpecker (Prowers)
Williamson’s Sapsucker (Ouray)
Black Phoebe (Mesa)
Eastern Phoebe (Morgan, Prowers)
Northern Shrike (Bent)
Blue-headed Vireo (Pueblo)
Woodhouse’s Scrub-Jay (Kiowa)
Red-breasted Nuthatch (Kiowa)
Pygmy Nuthatch (Morgan, Phillips)
Carolina Wren (Prowers)
Blue-gray Gnatcatcher (Douglas)
Eastern Bluebird (Adams, Denver, El Paso, Pueblo)
Curve-billed Thrasher (Pueblo)
Northern Mockingbird (*Boulder, *Denver, Mesa)
Common Redpoll (Routt)
Red Crossbill (Arapahoe, Boulder, *Broomfield, *Larimer, Morgan, Prowers,
*Sedgwick)
Lesser Goldfinch (Adams)
Lapland Longspur (Bent, *Kiowa, Park, *Sedgwick, Weld)
Snow Bunting (El Paso, *Logan, *Sedgwick)
Chipping Sparrow (Montezuma,*Sedgwick, Washington)
Lark Sparrow (El Paso)
Sagebrush Sparrow (Mesa)
Fox Sparrow (*Jefferson)
Lincoln’s Sparrow (Jefferson, Otero)
White-throated Sparrow (Otero, Prowers)
Harris’s Sparrow (Adams, Boulder, Denver, *Kiowa, Larimer, *Sedgwick)
Rusty Blackbird (Adams, El Paso, Jefferson)
Common Yellowthroat (Boulder, Broomfield)
Yellow-throated Warbler (Boulder)
Wilson’s Warbler (Jefferson)
Northern Cardinal (Prowers)

ADAMS COUNTY:
---On October 28 at McKay Road Ponds, SE of interesetion of McKay Road and
104th Ave in Thornton, Adam Vesely reported 3 Surf Scoters.
---On October 31 at Rocky Mountain Arsenal NWR, Candice Johnson reported 4
Eastern Bluebirds and Lesser Goldfinch (green-backed).
---On November 2 at Rocky Mountain Arsenal NWR, Adam Vesely reported
Harris’s Sparrow on Prairie Switch back Trail N of Lake Mary.
---On November 3 at Rocky Mountain Arsenal NWR, Lorraine Lanning reported
Common Loon and Rusty Blackbird in tree on east bank of Lake Ladora.

ARAPAHOE COUNTY:
---On October 29 at Curtis Park in Greenwood Village, Jared Del Rosso
reported 17 Red Crossbills.
---On October 29 at St Mary’s Catholic Church in Littleton, David Suddjian
reported Type 2 Red Crossbill. On November 3 at St Mary’s Catholic Church
in Littleton, David Suddjian reported 6 type 2 Red Crossbills.
---On October 31 at Ketring Park and Lake, Michael Woodruff reported 140
Cackling Geese.

BENT COUNTY:
---On November 2 at Blue Lake (Adobe Creek Reservoir), Dave Leatherman
reported 2 Northern Shrikes, Common Loon, 2 Black-bellied Plovers, American
Golden-Plover, and 10 Lapland Longspurs.
---On November 2 on CR 14 near CR KK, a few miles N of Hwy 50, Dave
Leatherman reported Lewis’s Woodpecker.

BOULDER COUNTY:
---On October 26 at Walden Ponds, Chris Brobin reported Snowy Egret. On
October 27 at Walden Ponds, Ted Floyd reported Snowy Egret. On October 28
at Walden Ponds, Luke Pheneger et al reported 2 Snowy Egrets. On October
29 at Walden Ponds, Patrick McIntyre reported 2 Snowy Egrets. On November
2 at Walden Ponds, Stephen Chang reported 1 Snowy Egrets and Julia Auckland
reported 1 Snowy Egret. On November 3 at Walden Ponds, Willem Van Vliet
reported 2 Snowy Egrets. On November 4 at Walden Ponds, Ted Floyd, Richard
Trinker, and Brandon Nooner reported 2 Snowy Egrets. On November 5 at
Walden Ponds, 2 Snowy Egrets were reported by Ron Podhajsky, Aidan Golden,
Tiffany and Chris Watts and Norm Lewis.
---On October 27 at Kittredge Ponds on University of Colorado Campus in
Boulder, Nick Moore reported Yellow-throated Warbler which was also seen by
Laura Steadman, Peter Gent, Nathan Pieplow, and Melissa Metzger. On
October 28, Nathan Pieplow reported 2 Red Crossbill Type 4 and the
Yellow-throated Warbler was see in pines between Fiske Planetarium and
Speech Language Hearing Services Building. On October 29 at Kitteredge
Ponds, Christain Nunes, Peter Burke, and Ginny Bergstrom reported
Yellow-throated Warbler.
---On October 28 at Valmont Reservoir, Jeff Parks reported 6 loons.
---On October 29 on Coal Creek in Lousiville, Jack Bushong reported
Harris’s Sparrow.
---On November 2 at Sombrero Marsh and Pond, Christian Nunes reported
American Avocet.
---On November 3 at Sawhill Ponds, Willem Van Vliet reported Blue-winged
Teal.
---On November 4 at Stearn’s Lake, Paula Hansley reported Common
Yellowthroat near first bench.
---On November 4 at Dodd Reservoir, Luke Pheneger reported Greater
White-fronted Goose, Cackling Geese on the West side.
---On November 5 at Cottonwood Marsh, Sharon Norfleet reported that Boulder
Bird Club observed American Bittern.
---On November 5 at Valmont Reservoir, Jeff Parks reported 3 Common Loon
and Northern Mockingbird.

BROOMFIELD COUNTY:
---On October 30 at Plaster Reservoir, Matt Hofeditz reported 80 Cackling
Geese and Common Yellowthroat. On November 5 at Plaster Reservoir, Matt
Hofeditz reported 250 Cackling Geese and Red Crossbill.
---On November 3 at Brunner Reservoir, David Ely reported f Common
Yellowthroat.
---On November 6 at Interlocken East Park, David Ely reported 4 Red
Crossbill (2m, 2f)

CUSTER COUNTY:
---On October 23 at DeWeese Reservoir, Rich Miller reported Western Palm
Warbler, Wilson’s Warbler and 4 Chipping Sparrows.

DENVER COUNTY:
---On October 23 at Marston Reservoir West End, Doug Kibbe reported
Red-throated Loon and 4 Common Loon. On October 27 at Marston Reservoir,
Loch Kilpatrick reported Red-throated Loon and 2 Common Loon; Jeff Dawon
reported Red-throated Loon. On October 28 at Marston Reservoir, Jesse and
Renee Casias, and Frankie Toan Reported Red-throated Loon and 3 Common
Loon. On November 3 at Martson Reservoir, Matt Clark reported 7 Common
Loon and Red-necked Grebe.
---On October 31 at Washington Park, Joe Roller reported 9 Eastern
Bluebirds and Jeff Dawson reported 9 Eastern Bluebirds. On November 1 at
Washington Park, Joe Roller and Jeff Dawson reported 12 Eastern Bluebirds.
On November 2 at Washington Park, Judith Henderson, Mary O’Connor, and
Jason Bidgood reported Eastern Bluebirds.
---On November 2 at Bluff Lake Nature Center, John Cobb reported imm
Harris’s Sparrow in brush near entrance porta-potties.
---On November 5 at Westerly Creek Park, Jason Bidgood reported Northern
Mockingbird.

DOUGLAS COUNTY:
---On October 28 at Chatfield SP, Joey Kellner et al reported Blue-gray
Gnatcatcher on monthly bird walk.

EAGLE COUNTY:
---On October 29 at Spring Park Reservoir, Dick Filby reported 2 m Barrow’s
Goldeneyes. On October 30 at Spring Park Reservoir, Dick Filby reported 4
Barrow’s Goldeneye.

EAGLE COUNTY:
---On October 31 at Ruedi Reservoir, Dick Filby reported 2 f-type Surf
Scoters.

EL PASO COUNTY:
---On October 29 at Fountain Creek Regional Park, Alan Ketcham and Jim
Merritt reported Lark Sparrow.
---On October 29 at Ramah Reservoir SWA, Diane Roberts reported f Snow
Bunting walking on gravel road.
---On November 1 at Double Tree Hotel Pond in Colorado Springs, David
Tonnessen reported Rusty Blackbird.

JACKSON COUNTY:
---On October 28 at Walden Reservoir, David Dowell reported Common Loon and
2 Pectoral Sandpipers.
---On October 28 at 18 Island Reservoir, David Dowell reported 2 Tundra
Swans and 2 Pectoral Sandpipers.

JEFFERSON COUNTY:
---On October 25 at South Platte Reservoir in SW Bay, Bart Deferme, Michael
Kiessig, and Chuck Aid reported 2 Surf Scoters. On November 2 at South
Platte Reservoir, Thomas Holub reported 2 Surf Scoter in the SW corner.
---On October 25 at Chatfield SP Platte River Delta, Michael Kiessig, Bart
DeFerme, Chuck Aid, and Pam Zimmer reported White-faced Ibis. On October
26 Pam Zimmer reported White-faced Ibis at Platte River Delta at Chatfield
SP.
---On October 30 at Robert A Easton Regional Park, Dale Pate reported
Winter Wren.
---On October 31 at Robert A Easton Regional Park, Mark Chavez reported 1
f-type Surf Scoter.
---On November 1 Main Reservoir in Lakewood, Daniel Horton reported m
Wilson’s Warbler.
---On November 2 at Chatfield SP Swim Beach, Frank Farrell reported Rusty
Blackbird. On November 3 at Chatfield SP Swim Beach, Mark Chavez and Norm
Lewis reported Rusty Blackbird.
---On November 4 at Coors Pond, Bruce Snyder reported Wison’s Phalarope.
---On November 4 at Harriman Lake, Chuck Aid reported Fox Sparrow on SE
side of large cattail area.

KIOWA COUNTY:
---On November 5 at Sheridan Lake area (town and playa), Bill Kaempfer
reported Greater Yellowleg and 200 Lapland Longspurs.
---On November 5 at Plainview School, Bill Kaempfer reported 6 Harris’s
Sparrows.

LARIMER COUNTY:
---On November 3 at Timnath Reservoir, Bob Righter reported Red-throated
Loon in middle of reservoir and Common Loon in S Central part; Josh
Bruening reported dark morph juv PARASITIC JAEGER, Nick Komar reported 50
Cackling Geese; the PARASITIC JAEGER and Red-throated Loon were seen by
Austin Hess, David Wade, and Nick Komar. On November 4 at Timnath
Reservoir, Nick Komar and many other birders reported Red-throated Loon and
PARASITIC JAEGER and Nick Komar reported 200 Cackling Geese. On November 5
at Timnath Reservoir, Red-throated Loon and Common Loon were reported by
Robert Beauchamp, Luke Pheneger, Maikel and Susan Wise, Danny Montolavo,
Megan Miller, Josh Bruening, and Jack Bushong; Josh Bruening also reported
30 Cackling Geese.
---On November 4 at Terry Lake in Fort Collins, Fawn Simonds reported
Common Loon.
---On November 4 at Kechter Pit Wetland, Christine Sparks reported Osprey.
---On November 5 at Arapahoe Bend NA Rigden Reservoir, Josh Bruening, and
Lori Zabel reported PARASITIC JAEGER.
---On November 5 at Loveland Cemetery, Walter Wehtje and Nick Komara
reported 8 Red Crossbill (Douglas-fir type 4), 2 Red Crossbill (Lodgepole
Pine type 5), and 11 Red Crossbill (Sitka Spruce, type 10).

LOGAN COUNTY:
---On November 5 at Jumbo Reservoir, Steve Mlodinow reported 500 Cackling
Geese, Red-throated Loon, and Snow Bunting.

MESA COUNTY:
---On October 28 at Colorado River SP Fruita Section, Ronda Woodward
reported Sora.
---On October 29 at Grand Junction Wildlife Area, David Price reported
Black Phoebe and Sagebrush Sparrow.
---On November 1 at Vega Reservoir, Mike Henwood reported 7 Common Loon.
---On November 2 at Cheney Reservoir, Mike Henwood reported 29 Sandhill
Cranes and Northern Mockingbird.

MOFFAT COUNTY:
---On November 1 in a field below Hwy 13 S of Craig, Jan Leonard reported
15 Sandhill Cranes.
---On November 1 in pond across river from Loudy-Simpson Park in Craig,
Forrest Luke reported 6 Tundra Swans (3ad, 3 juv).
---On November 2, Forrest Luke reported 2 Tundra Swans at WFMC Ponds, but
no swans at Loudy-Simpson.

MONTEZUMA COUNTY:
---On November 3 at McPhee Reservoir west end, Coen Dexter and Brenda
Wright reported Osprey.
---On November 3 at Industrial Park Pond N of Cortez, Eric Hendrickson
reported 7 Great Egret.
---On November 4 at McPhee Marina, Erick Hendrickson reported 3 Common Loon
and Chipping Sparrow.

MONTROSE COUNTY:
---On Novebmer 4 at Black Canyon Crystal Dam, Betty Fenton reported 2
Barrow’s Goldeneyes.

MORGAN COUNTY:
---On October 29 at Eben Ezer Nursing Home in Brush, Dave Leatherman
reported 10 Red Crossbills.
---On November 6 at Jackson Reservoir, Steve Mlodinow reported 400 Cackling
Geese, Surf Scoter, 4 Common Loon, Iceland (Thayer’s) Gull.

OTERO COUNTY:
---On November 3 at Holbrook Reservoir, SeEtta Moss reported Red-necked
Grebe.

OURAY COUNTY:
---On October 31 at Ridgway Reservoir, Kent Nelson reported 2 f Wood Ducks.
---On November 1 at Ridgway Reservoir, Denise and Mark Vollmar reported
Common Loon.
---On November 2 at Owl Creek Pass Road, Betty Fenton reported pair of
Williamson’s Sapsuckers.

PARK COUNTY:
---On October 29 at Eleven Mile Reservoir, Joey Kellner reported 24 Surf
Scoters, 4 White-winged Scoters, and 3 Common Loon. On November 4 at
Eleven Mile Reservoir, Joey Kellner and DFO Field Trip reported Long-tailed
Duck, 2 Surf Scoters, 2 Pacific Loons, 5 Common Loons.
---On October 29 at Spinney Mountain Reservoir, Joey Kellner and David
Dowell, reported 4 Surf Scoters, 2 Common Loon, Sanderling, and Lapland
Longspur.

PITKIN COUNTY:
---On October 31 at Ruedi Reservoir, Dick Filby reported m Barrow’s
Goldeneye and m Wood Duck.

PROWERS COUNTY:
---On October 30 at Fairmount Cemetery in Lamar, Dave Leatherman reported
13 Red Crossbills (type 2). On November 3 at Fairmount Cemetery, Dave
Leatherman reported 18 Red Crossbills.
---On October 30 at Lamar Community College, Dave Leatherman reported
White-throated Sparrow and 2 Northern Cardinals. On November 3 at Lamar
Community College, Dave Leatherman reorted 2 Carolina Wren at S end,
White-throated Sparrow E of library, and 4 Northern Cardinals.
---On October 30 at Woodland Park Subdivision S of Lamar Community College
along Willow Creek, Dave Leatherman reported Red-bellied Woodpecker.
---On November 3 on CR SS e of CR 13, Dave Leatherman reported imm Eastern
Phoebe.

PUEBLO COUNTY:
---On October 27 at Pueblo Reservoir, Brandon Percival reported Long-tailed
Duck, Red-necked Grebe, 5 Common Loon, and Common Tern.
---On October 28 at Pueblo Res SWA NW side, David Tonnessen reported 2 Surf
Scoters and Common Loon.
---On October 28 at Lake Beckwith in Colorado City, Dave Silverman reported
ad Black-legged Kittiwake between 0800 and 0900 but it disappeared after
0900.
---On October 28 at Pueblo Reservoir below day by footbridge that goes from
Snakeskin Picnic area to Swim Beach, N Side of Arkansas River, Brandon
Percival and Van Truan reported Blue-headed Vireo.
---On October 30 at Teller Reservoir, Van Truan reported 5 Cackling Geese
and Curve-billed Thrasher.
---On October 31 at Pueblo Reservoir, Brandon Percival, John Drummond, and
Bill Maynard reported 5 f-type Surf Scoters, 1 f Black Scoter, m EURASIAN
WIGEON, 5 Common Loon, and 6 Cackling Geese at South Marina of Pueblo
Reservoir. On November 1 at Pueblo Reservoir, Brandon Percival reported 1
f-type Surf Scoter in SE part of reservoir and 3 Common Loon.
---On October 31 at Osprey Picnic Area in Rock Canyon, Brandon Percival
reported Eastern Bluebird.
---On November 5 at Pueblo Reservoir, Brandon Percival and Renee Casias
reported Red-throated Loon and Turkey Vulture; at West Fishing Road,
Brandon Percival reported 4 Common Loon.

ROUTT COUNTY:
---On October 29 at Lake Catamount, Tom Litteral, Tresa Moulton, and Lynne
Miller reported 2 Surf Scoters and 20 Barrow’s Goldeneyes. On October 30
at Lake Catamount, JoAnn Riggle reported Greater Scaup, Surf Scoter, and 8
Barrow’s Goldeneyes. On November 1 at Lake Catamount, JoAnn Riggle
reported Greater Scaup and Surf Scoter.
---On October 31 at Pleasant Valley on CR 18, Tresa Moulton reported Common
Redpoll.
---On November 2 at Milner Oxbow Pond, Tresa Moulton reported Sandhill
Crane.

SAN MIGUEL COUNTY:
---On October 22 at Miramonte Reservoir, Eric Hynes reported 15 Surf
Scoters in three groups of 3, 7, 5, Common Loon, and a fly-over Gunnison
Sage-Grouse. On October 23 at Miramonte Reservoir, Coen Dexter and Brenda
Wright reported Surf Scoters and 5+ White-winged Scoters. On November 1 at
Miramonte Reservoir, Coen Dexter and Brenda Wright reported 6 White-winged
Scoters, and 6 Common Loon.

SEDGWICK COUNTY:
---On November 5 in town of Ovid, Steve Mlodinow reported Greater
White-fronted Goose, 12 Lapland Longspur, Harris’s Sparrow, and 8 Red
Crossbills.
---On November 5 at Jumbo Reservoir, Steve Mlodinow reported 7 Greater
White-fronted Geese, 50 Cackling Geese, Surf Scoter, 4 Common Loon, 2 Snow
Bunting, and Chipping Sparrow.

WASHINGTON COUNTY:
---On November 1 at Prewitt Reservoir, Norm Lewis reported American
Golden-Plover, Dunlin, and Chipping Sparrow.

WELD COUNTY:
---On October 28 at Union Reservoir, Bill and Inez Prather reported
Red-necked Grebe in NW corner along cattails and Common Loon. On October
29 at Unon Reservoir, Chris Owens reported Red-necked Grebe.
---On October 31 at CR 33 1 miles south of CR 98 in Nunn, Gary Lefko
reported 2 Lapland Longspurs.
---On October 31 Gary Lefko reported 6 Lapland Longspur at very large
Prairie Dog Colony .5 m north of CR 90 on CR 29.
---On October 31 Joe Mammoser reported ad Tundra Swan on small pon east of
Larimer/Weld County Line 2 ½ - 3 miles north of Hwy 14 east of Fort
Collins.
---On November 5 at Beebe Draw, Cynthia Madsen and David Hill reported 150
Sandhill Cranes.
---On November 5 at Lower Latham, Cynthia Madsen and David Hill reported
110 Sandhill Cranes flying over – could be same cranes that were at Beebe
Draw.

DFO Field Trip:

The DFO Field Trip for Tuesday, November 7 will be to the Ken Caryl Valley
Area led by David Suddjian (dsuddjian AT gmail.com; 831-713-8659) This
trip is full.

The DFO Field Trip for Thursday, November 9 will be to Rueter-Hess
Reservoir led by Mary Cay Burger (mcburger3 AT juno.com; 720-940-8394).
Meet at 0730 at Barr CCC Park, 18964 S Twenty Mile Road, Parker, located on
the SW corner of Main St and 20 Mile Rd for birding ther and later at
Rueter-hess Reservoir, which is open to the public only with entry
permission. Tim Ryan of Park Waater Dept will be our guide. Bring a scope
if you have one.

Good Birding,
Joyce Takamine
Boulder

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