Date: 12/31/18 2:55 am
From: Joyce Takamine <jabirujt...>
Subject: [cobirds] Colorado Rare Bird Alert, 31 December 2018
Date: December 31, 2018
Compiler: Joyce Takamine
E-mail: RBA AT

This is the Colorado Rare Bird Alert for Monday, December 31, sponsored by
Denver Field Ornithologists.

Rare, out of place and out of season species include:
(*) indicates new information on this species; CAPITAL LETTERS are used for
very rare species, as listed by the Colorado Bird Records Committee,

Observers have been diligent in reporting sightings on COBirds - thanks!
Please check there for updates.

Brant (Weld)
Mute Swan (*Weld)
Wood Duck (Montrose)
Black Scoter (*Arapahoe)
Long-tailed Duck (*Weld)
Storm Wigeon (*El Paso)
Barrow’s Goldeneye (Adams, Eagle, Mesa)
Sharp-tailed Grouse (*Weld)
Greater Roadrunner (El Paso)
Sora (Archuleta)
Spotted Sandpiper (Adams)
Black-legged Kittiwake (*Larimer)
Iceland Gull (*Larimer)
Glaucous Gull (*Larimer)
Great Black-backed Gull (Boulder, *Larimer, Pueblo)
Black-crowned Night-Heron (*Adams)
Northern Goshawk (Arapahoe, El Paso)
Ladder-backed Woodpecker (Baca)
American Three-toed Woodpecker (Jefferson)
GYRFALCON (*Larimer)
Vermillion Flycatcher (*Boulder)
Canada Jay (Jefferson)
Chihuahuan Raven (Baca)
Common Raven (*Weld)
Bushtit (Mesa)
Winter Wren (Jefferson)
American Dipper (*Adams, *Arapahoe)
Hermit Thrush (*La Plata)
Curve-billed Thrasher (Baca)
Gray-crowned Rosy-Finch (*El Paso)
Black Rosy-Finch (*El Paso)
Brown-capped Rosy-Finch (*El Paso)
Common Redpoll (Routt)
Red Crossbill (Jefferson)
Canyon Towhee (Baca)
Field Sparrow (Baca)
Fox Sparrow (Red) (*Jefferson)
Lincoln’s Sparrow (Mesa)
Yellow Warbler (*Boulder)
Yellow-rumped Warbler (*Boulder)

---On December 29 at S Platte River – Sand Creek mouth, Cheryl Teuton and
Dan Brooke reported m Barrow’s Goldeneye, Spotted Sandpiper, and 6
Black-crowned Night-Heron (4 ad, 2 juv).
---On December 30 at Clear Creek just east of Lowell Blvd, Bob Canter
reported American Dipper. It was downstream from the dam.

---On December 27 at South Platte Reservoir, Charlie Chase reported Black
Scoter which was first seen on December 20. On December 30 at South Platte
Reservoir, Joey Kellner reported Black Scoter.
---On December 27 at S Platte River – Northern Wildlife Area to West Bowles
Ave, Brian Johnson reported juv Northern Goshawk.
---On December 28 at South Platte Park, Dale Pate reported American Dipper
seen upstream from Mineral Ave bridge on SE side along South Platte. On
December 30 at South Platte Park, Carson Nature Center, Kenneth Wat,
Michael Lester, and Dylan Cooper reported American Dipper.

---On December 29 on San Juan River Walk in Pagosa Springs, Charles
Martinez reported Sora.

---On December 29 at CR M near CR 6, Tony Leukering and Kathy Mihm Dunning
reported 13 Chihuahuan Raven, 3 Curve-billed Thrasher, and Canyon Towhee.
---On December 29 at Sikes Ranch SWS, CR Q, Tony Leukering and Kathy Mihm
Dunning reported Ladder-backed Woodpecker, 9 Chihuahuan Raven, Field
Sparrow, and 2 Canyon Towhee.

---On December 29 at Walden Ponds/Cottonwood Marsh, Candice Johnson, Luke
Pheneger, Leslie S, Scott Shaum, and Karen Drozda reported Vermilion
Flycatcher; Luke Pheneger reported Say’s Phoebe; Simon Walker reported 2
Vermilion Flycatchers. On December 30 at Walden Ponds, Norm Lewis and Earl
Johnson reported Vermilion Flycatcher.
---On December 29 at Erie Reservoir, Steve Frye and Boulder Flying Circus
Birders Walk reported Great Black-backed Gull.
---On December 30 at Longmont Wastewater Treatment Ponds, Luke Pheneger
reported Yellow Warbler and 7 Yellow-rumped Warblers.

---On December 27 at Seven Castle in Basalt, Louise Glaser reported 8
Barrow’s Goldeneyes (2m, 6 f).

---On December 21 at Rainbow Gulch Trail, Terence Berger, David and John
Marvin reported 300 Gray-crowned Rosy-Finch, 5 Black Rosy-Finch, and 8
Brown-capped Rosy-Finch on shoreline of Rampart Reservoir. On December 29
at Rainbow Gulch Trail, Joel and Dale Adams reported 5 Gray-crowned
Rosy-Finch, 1 Black Rosy-Finch, and 1 Brown-capped Rosy-Finch. On December
30 at Rainbow Gulch Tail, Robert Post reported 80 Gray-crowned Rosy-Finch,
5 Black Rosy-Finch, and 20 Brown-capped Rosy-Finch.
---On December 27 on Hanover Road, David Marvin reported Greater Roadrunner.
---On December 30 at Prospect Lake in Colorado Springs, Tyler Stewart
reported Storm Wigeon.

---On December 28 at Red Rock Trading Post, Myron Gerhard and Paulo and
Santiago Tabares reported Fox Sparrow (Red). On December 29 at Red Rocks
Trading Post, Lorraine Laning, Michael Lester, Cyndy Johnson and Roberta
Chase reported Fox (red) Sparrow. On December 30 at Red Rocks Trading
Post, Brian and Kimberly Tavernia, Bez Bezuidenhout, and James McCall
reported Fox Sparrow (red).
---On December 28 at Staunton SP, Chris Wood reported American Three-toed
Woodpecker, Canada Jay and numerous Red Crossbill.
---On December 29 at Morrison Park, Karen Goetz and Matt Clark reported
Winter Wren near bridge on west end of park.

—On December 30 on Animas River –Huck Finn Pond & Hatchery Area, Ryan Votta
reported Hermit Thrush.

—On December 14 through 18 an (imm) dark-phase GYRFALCON was seen off and
on along W Trilby Rd and from Taft Hill Rd (where parking is not safe) &
over the Larimer County Landfill. On the 13th it was reported at the
landfill by Nick Komar. If you visit the landfill, be sure to check in at
one of the pay windows (or the main office) & park as directed. On
December 29 the GYRFALCON was reported by Steve Mlodinow and David Ely
south of the landfill and E of Taft Hill Road; at Taft Hill Road and Trilby
by Aaron Shipe, on a pole on W Trilby and W of Taft Hill by Komar; and Norm
Lewis reported that they GYRFALCON flew over the dump heading north. On
December 30, John Drummond reported GYRFALCON on power pole W of TAFT Hill
Road then it flew west over landfill.
---On December 26 at Larimer County Landfill, Sue Riffe, Shawn Ashbaugh,
and Josh Bruening reported SLATY-BACKED GULL, Glaucous Gull, 3 Iceland
(Thayer’s) Gulls, and Great Black-backed Gull. On December 27 at the
Larimer County Landfill, Andy Bankert reported Glaucous Gull. On December
29 at Larimer County Landfill, Steve Mlodinow and David Ely reported
Iceland Gull (kumlieni) and 6 Iceland Gull (Thayer’s).
---On December 24 at Horsetooth Reservoir opposite Spring Canyon Dam, Nick
Komar and Peter Burke reported juv Black-legged Kittiwake and many other
birders were able to see it. On December 27 at Horsetooth Reservoir,
Marcel Such, Nick Komar, Josh Bruening, Christine Sparks and Irene Fortune
reported Black-legged Kittiwake. On December 28 at Horsetooth Reservoir,
David Suddjian and DFO Field trip reported Black-legged Kittiwake at
Horsetooth Reservoir Spring Canyon Dam; later in the day Suddjian reported
the Black-legged Kittiwake by Dixon Dam; several other birders reported
Black-legged Kittiwake at Horsetooth Reservoir. On December 29 at
Horsetooth Reservoir, many birders reported the Black-legged Kittiwake at
various spots on the southern end of the reservoir. On December 30 at
Horsetooth Reservoir, Dave Leatherman and Peter Gent and others reported
Black-legged Kittiwake at Horsetooth Reservoir; Gent also found a m
Long-tailed Duck.
---On December 26 at Warren Lake, Nick Komar reported SLATY-BACKED GULL, 3
Iceland (Thayer’s) Gull, and Glaucous Gull.
---On December 28 at Bobcat Ridge NA, Kevin DeBoer reported AMERICAN
WOODCOCK in creek downstream of parking lot.
---On December 30 at Warren Lake, Nick Komar and others reported 5 Iceland
(Thayer’s) Gull, ad GLAUCOUS-WINGED GULL, and 1st cyc Glaucous Gull.
---On December 30 at W Trilby Road Landfill Observation Point, John
Drummond reported 2nd-cyc Great Black-backed Gull.

---On December 23 at Grand Junction Wildlife Area, Mike Henwood reported
pair of Barrow’s Goldeneye, 10 Bushtit in SE corner, and Lincoln’s
Sparrow. On December 28 at Grand Junction Wildlife Area, Kathleen McGinley
reported 2 Barrow’s Goldeneye and Lincoln’s Sparrow.

---On December 25 at Baldridge and Ute Parks, Betty Fenton reported Wood
Duck. On December 27 at Baldridge and Ute Parks, Betty Fenton Reported m
Wood Duck.

---On December 27 at Pueblo Reservoir, South Marina, David and John Marvin
reported Great Black-backed Gull.

---On December 27 south of Clark, Hwy 131/CR 56, Tom Litteral passed along
a reported of Common Redpoll.

---On December 12 through 18 the PINK-FOOTED GOOSE continued at Frederick
Lake (Milavec Reservoir) & Recreation Area, where it has been among a
diverse gaggle of goose species and hybrids. It was first reported by Steve
Mlodinow at Idaho Creek Open Space on Dec 11. This would be a first state
record if approved by the CBRC. On December 19 at Frederick Lake (Milavec
Reservoir) & Recreation Area, the PINK-FOOTED GOOSE and Long-tailed Duck
were reported by several birders. On December 29 at Frederick Lake
(Milavec Reservoir) & Recreation Area, John-Edd Brown reported PINK-FOOTED
GOOSE and Long-tailed Duck; J & J Schneider, Judith Henderson, and Edward
Done reported PINK-FOOTED GOOSE. On December 30 at Frederick Lake (Milavec
Reservoir) & Recreation Area, Van Truen reported PINK-FOOTED GOOSE; Les
Barstow and Steve Mlodinow reported Long-tailed Duck.
---On December 28 at Pine Cone Ave Minicipal Golf Course in Firestone, Jean
Olson reported PINK-FOOTED GOOSE.
---On December 29 at Windsor Lake, Steve Mlodinow and David Ely, Ryan
Graves, and Philip Carnehl reported 1st winter GLAUCOUS-WINGED GULL.
---On December 29 at Wood Lake, Steve Mlodinow and David Ely reported Black
---On December 30 at LUNA Reservoir on Hwy 42, Steve Mlodinow reported 2
Common Raven.
---On December 30 at Pawnee NG, Grover, Chris Wood reported Common Raven.
---On December 30 at Windsor Lake, Shawn Mason reported Long-tailed Duck.
---On December 30 at Pawnee NG (41.0013, -103.8838), Chris Wood reported 3
Sharp-tailed Grouse. They came flying from the north.
---On December 30 at Poudre Ponds, Steve Mlodinow reported 2 Mute Swan.

DFO Field Trips...trip details are at the DFO website:

No DFO trips are scheduled until December 27, but the Christmas Bird Count
season is upon us, through Jan 5, 2019.

Monday (12/31/2018)
Barr Lake
Rawhide Energy Station

Tuesday (01/01/2019)
Denver (Urban)
Grand Mesa

Friday (01/04/2019)
Air Force Academy
Saturday (01/05/2019)
Black Forest
Eagle Valley
Lake Isabel

To learn more about Christmas Bird Counts, go to

To sign up for Christmas Bird Counts, contact the compiler soon.

This is my last RBA report. I would like to thank all those who helped
fill in for me when I went
Chasing birds out of the country – especially Joe Roller and Allison Hilf.
Good Luck to those who
are going to continue the Rare Bird Alert.

Good birding,
Joyce Takamine

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