Rare, out-of-place and out-of-season species include:
Trumpeter Swan (*Mesa)
Tundra Swan (*Weld)
White-winged Scoter (Douglas/Jefferson)
Long-tailed Duck (*Arapahoe, Pueblo)
Barrow’s Goldeneye (Adams)
Red-necked Grebe (Douglas/Jefferson, Pueblo)
Dunlin (*Mesa, Pueblo)
Iceland Gull (“Kumlien’s”) (Pueblo)
Glaucous Gull (*Larimer)
Great Black-backed Gull (*Pueblo)
Pacific Loon (Arapahoe, Douglas, *Jefferson)
YELLOW-BILLED LOON (*Arapahoe)
Northern Goshawk (Larimer)
Yellow-bellied Sapsucker (Boulder, Larimer)
PACIFIC WREN (Fremont, Jefferson)
Winter Wren (*El Paso, *Pueblo)
Varied Thrush (*Boulder)
Black Rosy-Finch (*Pitkin)
Golden-crowned Sparrow (*Mesa)
Rusty Blackbird (*Douglas)
Western Tanager (Pueblo)
—On Jan 4, Barrow’s Goldeneyes (2) were reported on the South Platte River
south of 88th and Colorado by Bill Fink.
—On Jan 6, Long-tailed Ducks (2) were reported at South Platte Reservoir by
—On Jan 5, a YELLOW-BILLED LOON was reported at Aurora Reservoir by Joey
Kellner. First reported Dec 29 by Steve Mlodinow. This may be the same bird
reported first at Cherry Creek SP on Nov 8, then at Aurora Reservoir in
—On Jan 5, a Pacific Loon was reported at Aurora Reservoir by Joey
Kellner. First reported Dec 26 by Cynthia Kristensen.
— On Jan 6, Varied Thrushes (2) were reported by a North Boulder resident
at feeders in his front yard. Birders are welcome to view the birds, which
have visited in recent days, at 4200 Peace Way, near 27th and Jay Road.
Park on the street and try to view first from vehicle. Best sightings are
in morning after resident brings out his feeders, which he takes inside
overnight because of marauding raccoons. Later on Jan 6, one male was
observed by Stephen Chang.
—On Jan 5, a Yellow-bellied Sapsucker was reported In pines along Old Tale
Road south of Arapahoe, about halfway to McSorley Lane. First reported Dec
15 by Nathan Pieplow.
—On Jan 6, Rusty Blackbirds (4) were reported at Chatfield SP - Plum Creek
Nature Area by Gregg Goodrich. First reported Jan 5 by Kenneth Wat.
—On Jan 5, a Red-necked Grebe was seen off Chatfield Reservoir’s Marina
Sandspit. This bird has been present since at least Nov 8.
DOUGLAS /JEFFERSON COUNTIES (CHATFIELD RESERVOIR):
—On Jan 5, a White-winged Scoter was reported at Chatfield’s Marina
Sandspit. It was also seen from the N Boat Ramp and Handicapped Fisherman’s
Platform. First reported Nov 29 by Joey Kellner.
—On Jan 5 a Pacific Loon was reported at Chatfield’s Marina Sandspit. It
was previously reported at the Handicapped Fisherman’s Platform. First
reported Dec 8 by Joey Kellner.
EL PASO COUNTY:
—On Jan 5, a Winter Wren was reported at Fountain Creek RP - Nature
Center/Cattail Marsh by Tim Leppek.
—On Jan 6, a BRANT was reported at Lake Arbor. First reported Dec 20 by Amy
—On Jan 5, a Pacific Loon was reported at Standley Lake Park - north shore
by Donna Stumpp.
—On Jan 3, a PACIFIC WREN was reported at Bear Creek Lake Park in
Lakewood. Seen along Bear Creek WSW of Whitetail Picnic area, about 150
yards downstream from junction creek and trail from parking lot. First
reported Dec 22 by Chris Wood. First county record for this species. NOTE:
Fee-only entry via daily or annual Lakewood city pass (not a state park).
—On Jan. 6, a Glaucous Gull was reported at Warren Lake by Josh Breuning.
—On Jan 2, a Yellow-bellied Sapsucker (young male) was reported between
Grandview Cemetery in Fort Collins and adjacent City Park Nine golf course.
First reported Dec 23 by Dave Leatherman, it was last seen south of the
Trolley House (east of cemetery entrance) in a medium-sized hybrid maple
tagged with a white “Pacific Sunset Maple” marker. A second YBSA (adult
male), last reported Dec 30, is likely a bird seen periodically in the
cemetery since mid-Nov and reported Dec 14 by Fawn Simmons on the Fort
Collins CBC. The adult bird has favored Austrian pines near the portable
toilet along the cemetery south boundary road, often retreating to a large
cottonwood to the east.
—On Jan 1, a GYRFALCON was seen near Larimer County Landfill in Fort
Collins. First reported Nov 3 by Robert Beauchamp, in same location where a
Gyrfalcon spent much of winter 2019. *Please post updates to COB**irds**.*
—On Jan 6, Trumpeter Swans (4 adult, 2 juvenile) were reported near Adobe
Creek National Golf Course in Fruita by Brenda Wineman.
—On Jan 6, a Dunlin was reported at Horsethief Canyon SWA on the Colorado
River. First reported Dec 28 by Douglas Diekman.
—On Jan 6, a Golden-crowned Sparrow was reported at Grand Junction Wildlife
Area. First reported Dec 28 by Mike Henwood.
—On Jan 1, a Black Rosy-Finch was reported at Snowmass Nature Center by
—On Jan 6, a Winter Wren was reported at Valco Ponds SWA by several
birders. First reported Jan. 4.
—On Jan 6, a Great Black-backed Gull known as “Murray” was reported at
Pueblo Reservoir - South Shore Marina. Murray has spent 20-plus years as a
winter resident of Lake Pueblo SP.
—On Jan 5, a Long-tailed duck was reported on Pueblo Reservoir by Alan
—On Jan 4, a Western Tanager was observed at Pueblo West pit on Arkansas
River and at Pueblo Nature Center. First reported Jan. 2 by Brandon
Percival and Chris Knight.
—On Jan 4, a Red-necked Grebe was seen at Pueblo Reservoir - South Shore
Marina. First reported Dec 14 by Elaine Wagner.
—On Jan 4, a Dunlin was reported on the Pueblo Reservoir - South Shore
Marina “tires.” First reported Dec 31 by Paul Hurtado.
—On Jan 1, a juvenile “Kumlien’s” Iceland Gull was reported at Pueblo
Reservoir - South Shore Marina. First reported Dec 26 by Brandon
Percival. Although no longer a separate species under American
Ornithological Society (now lumped with Thayer’s Gull), this bird is rare
—On Jan 6, a Tundra Swan was reported in the 1200 block of East Eighth
Street in Greeley by Brad Benter.