Date: March 1, 2019Compiler: John Drummond, jxdrummo AT aol.comPhone: (703 ) 
629 1151
E-mail: RBA AT cobirds.org This is the Colorado Rare Bird Alert for Friday, 
March 1, sponsored by Denver Field Ornithologists. Observers have been diligent 
in reporting sightings and updates on CoBirds. Thanks!CAPITAL LETTERS are used 
for very rare species, as listed by the Colorado Bird Records Committee.(*) 
indicates new information on this species. Rare, out of place and out of season 
species include: Trumpeter Swan (Pueblo)Black Scoter (Pueblo)Long-tailed Duck 
(*Larimer, Pueblo)Horned Grebe (Garfield )
Glaucous-winged Gull (Arapahoe)HARRIS’S HAWK (Larimer)Yellow-bellied Sapsucker 
(*Denver, Larimer,)Winter Wren (*Jefferson ,Pueblo)Carolina Wren (Pueblo)Varied 
Thrush (*Boulder)Chestnut-collared Longspur (El Paso )
Field Sparrow (El Paso)Fox Sparrow (Red) (Jefferson)White-throated Sparrow (El 
Paso,) 
Golden-crowned Sparrow (Jefferson)Northern Cardinal (Larimer)Rusty Blackbird 
(Arapahoe ,Denver)Pine Warbler (Larimer) Gull species: several winter/very 
early spring gulls are being seen, primarily in Pueblo, Larimer, Arapahoe and 
Adams Counties (e.g. Iceland Gull (Thayer’s), Glaucous Gull, California Gull, 
Herring Gull, Lesser Black-backed Gull and Great Black-backed Gull). For more 
information on these Gull species, as well as other birds not on RBA list, 
please check cobirds.org, scroll down to the very bottom “Bird Trax” and click 
on “sightings”.  It will list ALL birds reported on e-bird for the day.  
ARAPAHOE COUNTY:—On February 27 a Glaucous-winged Gull was reported at Aurora 
Reservoir. First reported by Steve Mlodinow on Jan 12.—On February 18 the 
overwintering Rusty Blackbird continues at Cherry Creek SP at Swim Beach/Smoky 
Hill Shelter area. BOULDER COUNTY:—On February 28 a Varied Thrush was reported 
on Bosque Ct in Boulder. First reported by Ernest Crvich Jan 23. 
DENVER COUNTY:—On February 28 a Yellow-bellied Sapsucker was reported in Rocky 
Mountain Lake Park.  First reported in January.---On February 26 Rusty 
Blackbirds were reported at First Creek at Denver Open Space . First reported 
in January.
 EL PASO COUNTY:---On February 26 a Chestnut-collared Longspur was reported in 
Chico Basin Ranch ( fee area ) by David Tonnessen . 
—On February 27 the overwintering Field Sparrow continues at Red Rock Canyon 
Open Space.—On February 21 a White-throated Sparrow was reported at Rock Island 
Trailhead by David Tonnessen. 

GARFIELD COUNTY:--On February 27 a Horned Grebe was reported in the Colorado 
River white water rapids  areaobserved from 2307 Devereux Rd, Glenwood Springs 
.First report by Gregg Goodrich on  Feb 23 .
 JEFFERSON COUNTY:---On February 28 the overwintering Winter Wren continues at 
the Bear Creek Greenbelt , S Kipling Parkway to S Wadsworth Blvd . First report 
in January .
—On February 22 the overwintering Fox Sparrow (Red) continues at Red Rock 
Trading Post.—On February 18 the overwintering Golden-crowned Sparrow continues 
in Morrison on 2nd Street.  This bird is on PRIVATE PROPERTY.  Visitors are 
REQUIRED to stay on the road and not wander onto the private parking lot just 
south of his house
 LARIMER COUNTY:—On February 26 a Pine Warbler was reported in Fort Collins 
south of E Harmony Rd and east of S Lemay Ave. First report on February 6 by 
Nick Komar.—ON February 26 a Long-tailed Duck was reported on Firestone Gravel 
Pits ( view from road ) by Steven Mlodinow.On February 28 a Long-tailed Duck 
was reported at Fossil Creek Reservoir & Regional Open Space.  First reported 
by David Farmer on Feb 16.—On February 22 a Yellow-bellied Sapsucker was 
reported from Grandview Cemetery on the adjacent golf course midway along the 
cemetery’s southern border that runs east-west; approx. 50 yds east of the port 
a potty.  First reported by David Leatherman on Jan 8.—On February 21 a 
HARRIS’S HAWK was reported in Fort Collins near La Farge Pond by Robert 
Beauchamp.—There has been a (f) Northern Cardinal visiting the feeders at the 
home of Steve Martin SW of Wellington since July. Email for current status and 
directions: falconridge AT cowisp.net.  

PUEBLO COUNTY:—On February 26 the overwintering Winter Wren continues at Valco 
Ponds SWA.—On February 26 (2) Trumpeter Swans were reported at Valco Ponds SWA. 
 There have been 1-2 Swans reported over the past few weeks, moving between 
locations at Pueblo Reservoir, the Nature and Raptor Center of Pueblo, Rock 
Canyon Rd. in Pueblo, Mosquito Alley, and Valco Ponds SWA.—On February 23 a 
Carolina Wren was reported on the Arkansas River Trail, East of Pueblo Blvd.  
First reported by Jerry De Boer on Jan 16.—On February 22 (4) Black Scoters 
were reported at Pueblo Reservoir.  Various large flock numbers have been 
present at Pueblo Reservoir and other Pueblo locations since (22) were first 
reported by Brandon Percival on Feb 3.—On February 22 (1) Long-tailed Duck was 
reported at Pueblo Reservoir SWA-Turkey Creek.  2 birds first reported by 
Brandon Percival on Jan. 19. —Note, a Great Black-backed Gull, “Murray” is 
often reported at Pueblo Reservoir, where it has wintered for many years. 
 Upcoming DFO Field Trips...trip details on dfobirds.org

Second Creek Open Space ( CommerceCity/Adams County )
Sunday, March 36:45 AM - 11:00 PMPatrick O'Driscoll (Email: patodrisk AT 
gmail.com; 303-885-6955)
Southeastern Colorado
Monday , March 44:00 AM - 7:00PMDavid Suddjian ( Email: dsuddjian AT gmail.com 
; 831-713-8659 )
John DrummondColorado Springs

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