Date: 2/18/18 3:12 am
From: Joyce Takamine <jabirujt...>
Subject: [cobirds] Colorado Rare Bird Alert, 18 February 2018
Compiler: Joyce Takamine
e-mail: RBA AT
Date: February 18, 2018

This is the Rare Bird Alert for Sunday, February 18 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 (*El Paso, Jefferson, Morgan, Weld)
BRANT (*Arapahoe)
Trumpeter Swan (*Fremont)
Greater Scaup (Arapahoe, Chaffee, Jefferson, Weld)
White-winged Scoter (*Arapahoe, *Jefferson)
Long-tailed Duck (Montezuma)
Barrow’s Goldeneye (Adams, Arapahoe, El Paso, Montezuma)
Red-breasted Merganser (Montezuma)
Clark’s Grebe (*Fremont)
Sandhill Crane (Alamosa, Baca, Costilla, *Rio Grande)
Spotted Sandpiper (Mesa)
Lesser Yellowlegs (Prowers)
Greater Yellowlegs (Prowers)
California Gull (Adams, Archuleta, *Larimer, Mesa)
Iceland Gull (El Paso, Larimer, Pueblo)
Glaucous Gull (Larimer)
Great Black-backed Gull (*Pueblo)
YELLOW-BILLED LOON (*Arapahoe, Gunnison, *Jefferson)
Double-crested Cormorant (*Otero)
American White Pelican (*Otero)
Black-crowned Night-Heron (Weld)
Northern Goshawk (Jefferson, Larimer)
Ferruginous Hawk (Park)
Snowy Owl (Jefferson, Kiowa)
Acorn Woodpecker (La Plata)
Red-bellied Woodpecker (Prowers)
Ladder-backed Woodpecker (El Paso)
Black Phoebe (Montrose)
Say’s Phoebe (Adams, Arapahoe, *Archuleta)
Chihuahuan Raven (Fremont, Kiowa)
Juniper Titmouse (Montezuma)
Bushtit (Weld)
Pygmy Nuthatch (*Arapahoe, Broomfield)
Winter Wren (*Archuleta, Baca)
Bewick’s Wren (Montezuma, *Otero)
Mountain Bluebird (Kiowa)
Hermit Thrush (Arapahoe)
Gray Catbird (Arapahoe)
Curve- billed Thrasher (*El Paso)
Brown Thrasher (Morgan, *Otero)
Northern Mockingbird (Baca)
Bohemian Waxwing (*Summit)
American Pipit (La Plata)
Rosy-Finch spec (*Archuleta)
Gray-crowned Rosy-Finch (Park)
Common Redpoll (Chaffee, Larimer, Mesa)
Lapland Longspur (Denver, *Kiowa, Kit Carson)
Chestnut-collared Longspur (Kit Carson)
McCown’s Longspur (Kiowa, Kit Carson)
Green-tailed Towhee (Montrose)
Field Sparrow (Baca)
Vesper Sparrow (*Larimer)
Savannah Sparrow (*Weld)
Fox Sparrow (Larimer, Prowers)
Lincoln’s Sparrow (Archuleta, Larimer, Mesa)
Swamp Sparrow (*Boulder, La Plata)
White-throated Sparrow (Arapahoe, *Otero, Prowers, Summit)
Harris’s Sparrow (*Denver, El Paso)
Brown-headed Cowbird (*El Paso, Morgan, Pueblo)
Rusty Blackbird (Baca)
Great-tailed Grackle (Prowers)
Pine Warbler (Larimer)
Yellow-rumped Warbler (Arapahoe, *Archuleta, Jefferson, *Otero, Prowers)
Northern Cardinal (*Otero, Prowers)

---On February 11 at Mann Nyholt Lake, Adam Vesely reported California Gull.
---On February 12 at Barr Lake Bird Conservancy of Rockies Office and below
dam, Colin Woolley reported Say’s Phoebe.

---On February 16 on Hwy 17 near Hooper, James Loy reported 1100 Sandhill


---On February 10 at South Platte Reservoir, William Test reported
White-winged Scoter and YELLOW-BILLED LOON. On February 12 at South Platte
Reservoir, Susan Broderick reported YELLOW-BILLED LOON. On February 12 at
South Platte Reservoir, Sean Fitzgerald reported White-winged Scoter and
YELLOW-BILLED LOON and later he reported both birds in SW Bay (Jefferson).
On February 13 at South Platte Reservoir, David Suddjian and Dale Pate
reported YELLOW-BILLED LOON; Suddjian, Pate, Myron Gerhard, and Frank
Farrel reported White-winged Scoter in SW Bay (Jefferson); Matt Newport
reported White-winged Scoter in Arapahoe side. On February 16 at South
Platte Reservoir, Chris Wood reported White-winged Scoter, YELLOW-BILLED
LOON, and Say’s Phoebe; Chris Wood reported White-winged Scoter in SW Bay
(Jefferson). On February 17 at South Platte Reservoir, Meg Reck and Holden
Maxfield reported White-winged Scoter and YELLOW-BILLED LOON; Michelle
Desrosiers and Colin Woolley reported White-winged Scoter and YELLOW-BILLED
LOON in SW bay (Jefferson).
---On February 11 at South Platte Park C470 area, Ben Sampson reported 7
Greater Scaup (1 on Blackrock, 6 on Eaglewatch), f Barrow’s Goldeneye on
Eaglewatch, and 4 Yellow-rumped Warblers.
---On February 12 at South Platte River Northern Wildlife Area to W Bowles
Ave, Ted Uhlemann reported 14 Yellow-rumped Warblers on the Mary Carter
Greenway trail. On February 13 at South Platte Park, Northern Wildlife
Area, Dale Pate and David Suddjian reported 2 Yellow-rumped (Myrtle)
Warblers and 2 Yellow-rumped (Audubon’s) Warblers.
---On February 13 at Highline Canal Trail from E Quincy Ave to S Colorado
Blvd, Joe Roller reported Say’s Phoebe. On February 14 at High Line Canal
Trail from E Quincy Ave to S Colorado Blvd (Three Pond and Dahlia Hollow
Parks), Jared Del Rosso reported Hermit Thrush.
---On February 14 at High Line Canal Trail E Bellview Ave to E Quincy Ave
(Blackmer Lake), Jared Del Rosso reported Pygmy Nuthatch.
---On February 14 at Ketring Park, Elaine Wagner and Doug Kibbe reported
Hermit Thrush and Gray Catbird. On February 16 at Ketring Park in
Littleton, Doug Kibbe and Elaine Wagner reported BLACK BRANT. On February
17 at Ketring Park in Littleton, Matt Crooks and several other birders
reported BLACK BRANT.
---On February 17 at Dahlia Hollow Park, Bez Bezuidenhout reported Pygmy

---On February 16 at Navajo Lake Sailboard beach, Kathy Mihm Dunning
reported California Gull.
---On February 16 at Pagosa Riverwalk, Kathy Mihm Dunning reported
Lincoln’s Sparrow and Winter Wren. On February 17 at San Jan River Walk in
Pagosa Springs, Jason St Pierre and Ryan Votta reported Winter Wren and
Yellow-rumped Warbler.
---On February 17 at Cat Creek, CR 700, Ben Bailey, Cedar Mcgrath, and Judy
Jones reported 75 Rosy-Finch and Say’s Phoebe.

---On February 10 at Two Buttes SWA below dam, Ted Floyd and Brian Johnson
reported 50 Sandhill Cranes, Winter Wren, Northern Mockingbird, and Rusty

---On February 17 at Pella Crossing OS, Steve Frye reported Swamp Sparrow.

---On February 11 at Sands Lake SWA, Christian Hagenlocher reported pair of
Greater Scaup.

---On February 16 on E Hwy 160 near Blanca, Emily Samuel reported 10
Sandhill Cranes.

---On February 13 on Gun Club Road E of 112th Ave, Brian Johnson reported
Lapland Longspur.
---On February 17 at First Creek at DEN OS, Lorraine Lanning reported
Harris’s Sparrow in vegetation near Creek just east of Buckley.

---On December 21 David Tonnessen reported RED-BREASTED SAPSUCKER (ruber)
on Miranda Road in Colorado Springs. On February 1 on Miranda Road, Tony
Leukering reported RED-BREASTED SAPSUCKER.
---On February 11 at Monument Wastewater Treatment Plant, Tanja Britton and
John Drummond reported pair of Barrow’s Goldeneyes; Joy and Leonard Lake
reported m Barrow’s Goldeneye. On February 12 at Monument Wasterwater
Treatment Plant, Jan Allbright and Richard Bunn reported pair of Barrow’s
Goldeneyes; Heidi Eaton, Kevin Ash, and Jim Merritt reported 1 Barrow’s
Goldeneye. On February 13 at Monument Wastewater Treatment Plant, Rod
Schmidt, David and Cheryl Hubbard, Alan and Mary Lynn Ketcham, and David
Tonnessen reported f Barrow’s Goldeneye. On February 14 at Monument
Watewater Treatment Plant, Alan Ketcham reported pair of Barrow’s
Goldeneye. On February 15 at Monument Wastewater Treatment Plant, Chris
Brobin reported pair of Barrow’s Goldeneye.
---On February 10 at Red Rock Canyon Open Space, David Tonnessen reported
Harris’s Sparrow.
---On February 10 at Fillmore Ridge, Rod Schmidt reported Greater
White-fronted Goose.
---On February 13 on Hanover Road, Kevin Ash reported Ladder-backed
---On February 13 on Birdsall Road, John Drummond reported 4 Brown-headed
---On February 16 on Chapel Hills Drive in Colorado Springs, Roger Massey
reported Greater White-fronted Goose foraging on a front lawn. On
February 17 on Chapel Hills Drive Joy and Leonard Lake reported Greater
White-Fronted Goose on grassy bank across from library.
---On February 17 at Reflection Pond, John Drummond, Alan and MaryLynne
Ketcham reported Greated White-fronted Goose.
---On February 17 on Birdsall Road in Fountain, Alan and MaryLynne Ketcham
reported Curve-billed Thrasher and 2 Brown-headed Cowbirds.

---On February 13 at Brush Hollow Reservoir, Rich Miller reported 2
Trumpeter Swans. On February 14 at Brush Hollow Reservoir, Kevin Ash
reported 2 Trumpeter Swans. On February 17 at Brush Hollow Reservoir, Norm
Lewis and Mike Serruto reported 2 Trumpeter Swans and Clark’s Grebe.

---On February 13 at Blue Mesa Reservoir between mm 138 and mm 139 on US 50
east of Red Creek, Kathy Mimh Dunning reported YELLOW-BILLED LOON.
Location was on US 50 between Red Creek and Bay of Chickens.

---On February 10 along Ralston Creek near east edge of West Woods Golf
Course, Steven Snyder reported Northern Goshawk.
---On February 10 at Standley Lake near 86th and Sims, Karl Gerken reported
Snowy Owl. He first saw it in the neighborhood
South of Standley Lake. The owl flew to the gazebo N of 86th and Simms, to
the lake. Gerken said that the ranger reported that the Snowy Owl has been
back at Standley since Thursday 2/8.
---On February 11 at Wheat Ridge Greenbelt, Kevin DeBoer reported
Yellow-rumped Warbler. On February 15 at Wheat Ridge Greenbetl, Ginny
Bergstrom reported Yellow-rumped Warbler.
---On February 16 on Clear Creek trail from Golden to I-70, Chuck Aid and
Micahel Kiessig reported 3 Yellow-rumped (Audubon’s) Warblers.
---On February 16 at Clement Park and Johnson Reservoir, Thomas Holub
reported Greater White-fronted Goose.
---On February 16 at Harriman Lake Park, Chris Wood reported 14 Greater

---On February 10 at Queens State WA Queens Reservoir, JoAnn Andrews
reported Snowy Owl.
---On February 11 at Neenoshe Reservoir, Steve Mlodinow reported
Chihuahuan Raven, 6 Lapland Longspurs.
---On February 11 on CR 48 between CR E and CR C, Steve Mlodinow reported 2
Mountain Bluebirds and 10 Lapland Longspurs.
---On February 11 on CR 27 between CR C and CR 3, Steve Mlodinow reported
125 Lapland Longspurs and 3 McCown’s Longspurs.
---On February 17 on CR 3E, Bill Kaempfer reported 2 Lapland Longspurs.

---On February 11 at CR B between CR 10 and CR 11, Kathy Mihm Dunning
reported 3000 Lapland Longspurs in 4 flocks of 700 – 800+,
Chestnut-collared Longspur, McCown’s Longspur.

---On February 9 at Meadow Rd, Rafter J Subdivision, Ryan Votta reported 4
Acorn Woodpeckers.
---On February 16 at Pastorius Reservoir, Kathy Mihm Dunning and Jason St.
Pierre reported American Pipit and Swamp Sparrow.

---On February 8, Bill Fink, Kat Bradley-Bennet, Tina Jones and others
reported HARRIS’S HAWK on Frontage Road N of Prospect.
---On February 9 at Livermore Community Church, Sue Riffe reported 3 Common
---On February 12 at Horsetooth Mountain Park, Arvind Panjabi reported 7
Common Redpoll. On February 13 at Horsetooth Mountain Park, Carl Schimmel
and Arvind Panjabi reported Common Redpolls.
---On February 6 at CSU Environmental Learning Center, Joey and Burke
Angstman reported Red Fox Sparrow.
---On February 9 at Bobcat Ridge NA, Sue Riffe reported AMERICAN WOODCOCK.
On February 10 at Bobcat Ridge NA, Nick Komar and David Wade reported
AMERICAN WOODCOCK at Buffum Creek in the morning and in the afternoon Nick
Komar and Walter Wehtje reported AMERICAN WOODCOCK at creek below parking
lot; Andy Bankert and Caroline Olson found the AMERICAN WOODCOCK on the
road to Bobcat Ridge on the south side by 3rd stream crossing and 15 mph
sign. On February 12 at Bobcat Ridge NA, Norm Lewis reported AMERICAN
WOODCOCK near cattails below Castle House.
---On February 12 at Wildhorse Birdfeeder in Loveland, John Reichhardt
reported Pine Warbler.
---On February 12 at Clear Spring Ranch, Jim Merritt reported
White-throated Sparrow.
---On February 12 at Carter Lake, David Dowell reported California Gull, 3
Iceland (Thayer’s) Gull, Iceland (kumlieni) Gull, and 2 Glaucous Gulls.
---On February 13 at Larimer County Landfill (restricted access), Joshua
Smith reported California Gull. On February 17 at Larimer County Landfill
(restricted access), Chris Wood reported 2nd year California Gull.
---On February 13 at Running Deer NA in Fort Collins, Richard Herrington
reported Northern Goshawk.
---On February 16 on I-25 near Loveland, Gene Rutherford reported HARRIS’S
HAWK near Exit sign.
---On February 16 at Cottonwood Run NA Rec trail Wilson to Taft, Christine
Sparks reported Lincoln’s Sparrow.
---On February 17 at Dixon Reservoir, Jim Nachel reported Vesper Sparrow.
---On February 17 at Horsetooth Reservoir, Chris Wood reported 2 ad
California Gulls.

---On February 8 on Grand Mesa, Denise and Mark Vollmar reported 10 Common
---On February 14 at Grand Junction Wildlife Area, Aaron Yappert reported
Spotted Sandpiper.
---On February 15 at Colorado River Isaland SWA, Glenn Pearson reported 2
California Gulls.
---On February 16 at Grand Junction Wildlife Area, Kathleen McGinley and
Mike Henwood reported 2 Lincoln’s Sparrows.

---On February 9 at Hwy 145 in Dolores, Aaron Yappert reported m Barrow’s
---On February 14 at McPhee Reservoir Dolores End, Kathy Mihm Dunning
reported Long-tailed Duck. On February 15 at Dolores Ponds (wastewater
plant) Jim Beatty reported f Long-tailed Duck in second pond past Dolores
wastewater treatment ponds. On February 14 at West End, Jim Beatty
reported 2 f Red-breasted Mergansers. On February 16 at Dolores Ponds
(Watewater Treatment Plant), Jason St Pierre and Eric Hynes reported
Long-tailed Duck and Barrow’s Goldeneye.
---On February 14 at Sand Canyon Trail, Kathy Mihm Dunning reported 6
Juniper Titmouse and 3 Bewick’s Wrens.

---On February 15 at Marine Road Park, Susna Entsminger reported Black
Phoebe at edge of North Ponds and Green-tailed Towhee at South side of Park.

---On February 13 at Jackson Reservoir, Steve Mlodinow reported 2 Greater
White-fronted Gees, Brown Thrasher, and 3 Brown-headed Cowbirds.

---On February 17 at Rocky Ford SWA, David Dowell reported Brown Thrasher,
Yellow-rumped Warbler, White-throated Sparrow and 2 Northern Cardinals.
---On February 17 at Holbrook Reservoir, David Dowell reported 2
Double-crested Cormornats, 17 American White Pelicans and Bewick’s Wren.

---On February 13 in town of Jefferson, Jerry Baines reported 3 Ferruginous
Hawks and 40 Gray-crowned Rosy-Finches.

---On February 10 at Lamar Community College Woods, Brian Johnson reported
Red Fox Sparrow and Northern Cardinal. On February 17 at Lamar Community
College Woods, Adam Vesely reported Red Fox Sparrow, 2 Yellow-rumped
Warblers, White-throated Sparrow and Northern Cardinal. On February 16 at
Lamar Community College, Jane Stulp reported Red Fox Sparrow,
White-throated Sparrow, and 2 Northern Cardinals.
---On February 9 at Willow Creek in Lamar, Ted Floyd reported Hermit
Thrush, Yellow-rumped Warbler, Yellow-rumped (Myrtle) Warbler,
Yellow-rumped (Audubon’s) Warbler, and Northern Cardinal. On February 9 at
Willow Creek Park, Ted Floyd reported Red-bellied Woodpecker, Red Fox
Sparrow, Northern Cardinal, and singing m Great-tailed Grackle.
---On February 9 at pond at US 287 and Hwy 50, Chip Clouse reported Greater
Yellowlegs. On February 10 at pond at US 287 and Hwy 50, Paula Moyers
reported 3 Lesser Yellowlegs; Sharon Stiteler reported 2 Greater Yellowlegs.

--- On February 10 at 40th Lane, JoAnn Riggle reported 4 Brown-headed
---On February 17 at Pueblo Reservoir South Marina, Jon Horn reported Great
Black-backed Gull.
---On February 17 at Pueblo Reservoir Sailboard Area, Jon Horn reported

---On February 17 at Monte Vista NWR Hwy 15 Viewing Area, John W. Cobb
reported 120 Sandhill Cranes.

---On February 11 at Bills Ranch Lake, Ryan Bushong reported White-throated
---On February 17 at Arapaho NF near Dillon, Helen Butts reported 120
Bohemian Waxwings.

---On February 13 at Woods Lake, Steve Mlodinow reported Black-crowned
---On February 13 at Lower Latham Reservoir, Steve Mlodinow Reported
Savannah Sparrow.
---On February 14 at LUNA Reservoir, Sean Fitzgerald reported Greater Scaup.
---On February 16 in Bittersweek Park in Greeley, Matthias Sirch reported
---On February 17 at Behren Reservoir, Gene Rutherford reported Savannah

DFO Field Trips:

The DFO Field Trip for Sunday, February 18 will be to Tamarack State
Wildlife Area and Associated Prairie led by Chris Goulart (cgoulart001 AT; 586-764-2126). Meet at 0600 at the Division of Parks and
Wildlife parking lot 2 block north of E 58th Ave on east side of Broadway:
6060 Broadway, Denver.
This will be an intense trip looking for late winter prairie and
eastern forest specialties. Target birds include Snow Geese, Greater
Prairie Chickens, and more. Register online or contact leader.

The DFO Field Trip for Tuesday, February 20 will be to Northeastern
Colorado led by david Suddjian (dsuddjian AT; 831-713-8659).
Directions: Meet at 0500 at Colorado Park and Wildlife Office at 6060 N.
Broadway. Exit I-25 at 58th Ave, go west 2 blocks to Broadway, then north
2 blocks to parking lot on right.
Special guest leader: Norm Lewis. May visit Jumbo, Red Lion, and
Tamarack and Prewitt. Prepare for this full day winter outing with
supplies of food. Possible park entry fees. Register online or contact

Good Birding,
Joyce Takamine

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