Compiler:   Joyce Takamine
e-mail:      RBA AT
Date:        March 2, 2018

This is the Rare Bird Alert for Friday, March 2  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 (Adams, Rio Grande, Weld, Yuma)
BRANT (*Arapahoe)
Trumpeter Swan (Archuleta, Fremont, Yuma)
Greater Scaup (El Paso, Jefferson, Mesa, Park, Weld)
White-winged Scoter (Arapahoe, Jefferson)
Long-tailed Duck (Montezuma)
Barrow’s Goldeneye (El Paso, Montezuma, Park, *Weld)
Red-necked Grebe (Douglas, *Larimer)
African Colllared-Dove (Jefferson)
Sandhill Crane (Adams, Mesa, Rio Grande)
Least Sandpiper (Archuleta)
American Woodcock (Larimer)
Greater Yellowlegs (Prowers)
Spotted Sandpiper (Weld)
Franklin’s Gull (Boulder)
Mew Gull (*Weld)
California Gull (Douglas, Larimer , Mesa, Park)
Iceland Gull (Douglas, El Paso, Larimer, Pueblo, Weld)
Great Black-backed Gull (Pueblo, Weld)
YELLOW-BILLED LOON (Douglas, Jefferson)
Double-crested Cormorant (Weld)
American White Pelican (Arapahoe, Douglas)
Osprey (*Pueblo)
Northern Goshawk (Arapahoe, El Paso, Jefferson, Larimer)
HARRIS’S HAWK (*Larimer)
Snowy Owl (Boulder)
Burrowing Owl (*Broomfield)
Ladder-backed Woodpecker (El Paso)
Eastern Phoebe (*Arapahoe)
Say’s Phoebe (*Arapahoe, Denver, Douglas,  Jefferson)
Pinyon Jay (*Grand)
Chihuahuan Raven (Adams, Fremont)
Tree Swallow (Pueblo)
Pygmy Nuthatch (Broomfield)
Winter Wren (Morgan)
Bewick’s Wren (Garfield)
Gray Catbird (Arapahoe)
Curve-billed Thrasher (El Paso)
Northern Mockingbird (Denver)
Bohemian Waxwing (Gunnison, Larimer)
American Pipit (Weld)
Common Redpoll (Jefferson, Larimer)
Lapland Longspur (Denver)
Field Sparrow (Baca)
Sagebrush Sparrow (*Conejos)
Fox Sparrow (Delta, Larimer)
Lincoln’s Sparrow (Archuleta, Douglas, La Plata, Mesa, Yuma)
White-throated Sparrow (Arapahoe, *El Paso)
Harris’s Sparrow (*Denver, El Paso, Jefferson)
Brown-headed Cowbird (Yuma)
Rusty Blackbird (Larimer)
Pine Warbler (*Larimer)
Yellow-rumped Warbler (Arapahoe, Jefferson, Larimer)
Northern Cardinal (Yuma)

---On February 24 on Picadilly Rd, John Vanderpoel and Bill Kaempfer
reported Chichuahuan Raven.
---On February 26 at Rocky Mt Arsenal NWR, Susan Rosine reported 2 Greater
White-Fronted Geese on far side of Lower Derby Lake.
---On February 27 on Elaine T Valente Open Space, Crystal Beckel reported
22 Sandhill Cranes.


---On February 24 at South Platte Reservoir, Matt Hofeditz, Edward Donnan,
Mackenzie Goldthwaite reported White-winged Scoter; Goldthwaite reported
Say’s Phoebe; Stephen Chang reported White-winged Scoter in SW Bay
(Jefferson).  On February 25 at South Platte Reservoir SW Bay (Jefferson),
Christian Hagenlocher reported White-winged Scoter; Matt Clark reported
White-winged Scoter on Arapahoe side.  On February 27 at South Platte
Reservoir, Cal Gesmundo and Zak Pohlen reported White-winged Scoter and
Say’s Phoebe.
---On February 24 at South Platte Park C470 area, Matt Hofeditz reported
Yellow-rumped Warbler.  On February 24 at South Platte Park SW Bay
(Jefferson), Edward Donnan and Crystal Wilson reported Say’s Phoebe)
---On February 25 at Ketring Park and Lake, G Stack reported BRANT.  On
February 27 at Ketring Park and Lake, Gregg Goodrich, Mark Chavez, Steve
Miller, and Jim Merritt reported Black BRANT.  On March 1 at Gallup Park,
Gwen Moore reported Black BRANT.  On March 1 at Ketring Park and Lake,
Edward Donnan reported Black BRANT.
---On February 25 at Milliken Park, Jared Del Rosso reported Northern
---On February 27 at Cherry Creek SP, Mary Kiehtler reported American White
---On February 28 on Arrowhead Loop (Elizabeth to Aurora and back), Tina
Peters reported 2 Common Redpoll.
---On March 1 at Lee Gulch trail downstream of S Prince St in Littleton,
David Suddjian reported Eastern Phoebe.
---On March 1 on High Line Canal Trail E Belleview Ave to E Quincy Ave
(Blackmer Lake area), Santiago Tabares reported Say’s Phoebe.

---On February 24 at Navajo SP and Reservoir, Charles Martinez reported
Least Sandpiper.
---On February 25 at Lake Forest in Pagosa Springs, Charles Martinez and
Jean Zirnhelt reported 3 Trumpeter Swans on south end near fishing dock.
---On February 28 at Village Lake in Pagosa Springs, Byron Greco reported 3
Trumpeter Swans.
---On February 28 at Vista Ponda, Charles Martinez reported Lincoln’s

---On February 23 on Nelson Road, Sue Riffe reported a juv Snowy Owl flew
over the road flying NW.  She was about a mile east of US 36.
---On February 25 on Diagonal Hwy and Independence Road, Ron Rodhajsky
reported Snowy Owl flying over road.  It appeared to be an adults since it
was all white.
---On February 28 at Valmont Reservoir Complex, Jeff Parks reported
Franklin’s Gull.

---On February 28 and March 1 in field East of Huron between Hwy 7 and W of
160th Ave, Ivan Mota reported continuing Burrowing Owl.

---On February 28 at Antonito, John Rawinski reported Sagebrush Sparrows.
Go to Antonito, take Rd G east until Rd F joins from SE.  Take Rd F and
watch for next 2-3 miles.

----On February 23 at Paonia Forest Service Office feeder, Dennis Garrison
reported that the Fox Sparrow continues.

---On February 24 at Rocky Mountain Lake Park, Gabriel Wiltse reported
Northern Mockingbird.
---On February 24 at DIA, Bill Kaempfer and John Vanderpoel reported 3
Lapland Longspurs.
---On February 26 at Westerly Creek Park, Jason Bidgood reported Say’s
---On March 1 at First Creek at DEN OS, John Breitsch reported Harris’s

---On February 24 at Chatfield SP Handicapped Fisherman Platform, Joey
Kellner and others reported Lincoln’s Sparrow.  On February 25 at Chatfield
SP Handicapped Fisherman Platform, Joey Kellner reported YELLOW-BILLED LOON
and American White Pelican.  On February 27 at Chatfield SP From
Handicapped Fisherman Platform and Marina Sandspit, Gregg Goodrich, Anna
Troth, Gwen Moore, Time Ryan, Mark Chavez, and Steve Miller reported
YELLOW-BILLED LOON, Red-necked Grebe, American White Pelican, and Iceland
(Thayer’s) Gull.  On February 28 at Chatfield SP from Handicapped Fisherman
Platform and Marina Sandspit, Chery Teuton, Dan Brooke, Cal Gesmundo, Zak
Pohlen, and Christine Alexander reported YELLOW-BILLED LOON, Red-necked
Grebe California Gull, and Iceland Gull.
---On February 24 at Chatfield SP, Megan Miller reported Red-necked Grebe.
On February 26 at Chatfield SP Marina Sandspit, Diane Roberts reported
Red-necked Grebe.
---On February 25 at Chatfield SP, Matt Clark reported YELLOW-BILLED LOON
flying around reservoir; Iceland (Thayer’s) Gull, and Lapland Longspur.
---On February 26 at Highland Ranch Open Space near Toepfer, Gail Presley
reported Say’s Phobe.

---On February 21 at Monument Wastewater Treatment Plant, Alan Versaw
reported f Barrow’s Goldeneye.  On February 24 at Monument Wastewater
Treatment Plant, Roger Massey reported Greater Scaup and f Barrow’s
---On February 24 on S Meridian Road from Hanover Road to Pueblo County
Line, Roger Massey reported Ladder-backed Woodpecker.
---On February 24 on Old Pueblo Road, David Tonnessen reported Lincoln’s
---On February 24 at Hanover Fire Station, Steve Rash reported Curve-billed
---On February 25 at High Drive, Chris Brobin reported Northern Goshawk.
---On March 1 at Clear Spring Ranch,Tanja Britton reported White-throated

---On February 25 at Brush Hollow Reservoir, Rob Hinds and Renee Casias
reported 2 Trumpter Swans.

---On February 26 at Silt Island Park, Kathy Mihm Dunning reported Bewick’s

---On March 1 at Snow Mountain Ranch cabins, Reed Gorner reported Pinyon

---On February 24 at Blue Mesa Reservoir east end, Arden Anderson reported
70 Bohemian Waxwings.

---On February 25 at Falcon Ridge Cub Creek, Chuck Aid reported ad Northern
---On February 25 at Harriman Lake Park, Christian Hagenlocher reported
Greater Scaup.  On February 26 at Harriman Lake Park, David Suddjian
reported Say’s Phebe and Yellow-rumped (Audubon’s) Warbler.
---On February 25 at Chatfield SP, Matt Clark reported YELLOW-BILLED LOON
flying around reservoir.
---On February 26 at Morrison Park, Matt Clark reported 2 African
Collared-Doves and Harris’s Sparrow.
---On February 26 at Wheat Ridge Greenbelt Tabor Lake, Doug Kibbe reported
Greater Scaup.
---On February 27 at Waterton Canyon from Waterton Road to overhead pipes,
Cal Gesmundo and Zak Pohlen reported Common Redpoll.

---On February 27 at Animas River Trail Huck Finn Pond and Hatchery Area,
Ryan Votta reported Lincoln’s Sparrow.
---On February 27 on Animas River Trail across from Mercury Payments, Jason
St. Pierre reported Lincoln’s Sparrow.

---On February 24 at Wild Horse Birdfeeder in Loveland, John Reichhardt and
Sara Nooner reported Pine Warbler.  On March 1 at Wild Horse Birdfeeder in
Loveland, John Reichhardt reported Pine Warbler.
---On February 23 at CSU Environmental Learning Center, Neil Matheson
reported Red Fox Sparrow.  On February 24 at CSU Environmental Learning
Center, Robert  Beauchamp and Pablo Quezada reported Rusty Blackbird.  On
February 25 at CSU Environnmental Learning Center, David Wade, Nick Komar,
and Walter Wehtje reported ad Northern Goshawk; Jim Nachel, Skyler Bol, and
DFO Field trip led by Dave Leatherman reported Red Fox Sparrow.   On
February 26 at CSU Environmental Learning Center, Austin Hess reported Red
Fox Sparrow.
---On February 27 at Kingfisher Point, Nix Farms and Williams NA, Lori
Zabel reported 3 Yellow-rumped Warblers.
---On February 24 at Lake Loveland, Nick Komar and Walter Wehtje reported 2
California (californiucs) Gulls, 1 California (albertanensis) Gull, and 1
Iceland Gull.
---On February 24 at Bobcat Ridge NA, Christine and Richard Sparks and John
Reichhardt reported American Woodcock.  On February 25 at Bobcat Ridge NA,
DFO Field trip led by Dave Leatherman and Janet Anderson-Ray reported
American Woodcock.
---On February 26 at Horsetooth Mountain Open Space, Arvind Panjabi
reported 10 Common Redpoll.
---On February 27 at entrance raod to Bobcat Ridge NA, Joe Mammoser
reported 6 Bohemian Waxwings.
---On February 28 at Fort Collins City Park and Sheldon Lake, Dave
Leatherman found Red-necked Grebe which was seen by several other birders.
 On March 1 at Fort Collins City Park and Sheldon Lake, Gary Lefko and many
other birders reported Red-necked Grebe.
---On March 1 at Kechter Pit Wetland, Austin Hess reported HARRIS’S HAWK
perched on telephone wire.

---On February 24 at Grand Junction WA, Ryan Claar reported Lincoln’s
---On February 24 at Highline Lake SP, Denise and Mark Vollmar reported
Greater Scaup and 2 California Gulls.  On February 26 at Highline Lake SP,
Carol Ortenzio and Denise and Mark Vollmar reported 2 Greater Scaup and 2
California Gulls, and 180 Sandhill  Cranes.  On February 27 at Highline
Lake SP, Mike Henwood reported 2 California Gulls.

---On February 24 at McPhee Reservoir South Arm, Erik Hendrickson reported
Long-tailed Ducks and Barrow’s Goldeneye.

---On February 24 at Riverside Park (east section) in Fort Morgan, Norm
Lewis reported Winter Wren.  On February 27 at Riverside Park (east
section), Brian Johnson reported Winter Wren.

---On February 27 at Elevenmile Reservoir, Steve Mlodiow reported Greater
Scaup, 8 courting Barrow’s Goldeneyes, and California Gull.

---On February 28 at pond at US287 and Hwy 50, Tony Leukering reported 3
Greater Yellowlegs.

---On February 26 at Runyon Lake in Pueblo, Mark Yaeger reported 2 Tree
Swallows flying above river.
---On February 27 at Pueblo Reservoir South Marina, Linda Hdges and Chares
Paterson reported Great Black-backed Gull.
---On March 1 at Pueblo Reservoir Rock Canyon (below dam, north of River),
Vicki Sandage reported Osprey.

---On February 28 at Monte Vista NWR, John Rawinski reported Greater
White-fronted Goose and 4-5,000 Sandhill Cranes.

---On February 24 at LUNA Reservoir, Bill Kaempfer and John Vanderpoel
reported 2 Iceland (Thayer’s) Gulls and Great Black-backed Gull.
---On February 25 at Firestone Gravel Pits (view from road), Gene
Rutherford and Jack Bushong reported m Barrow’s Goldeneye.
---On February 24 at Firestone Recreation Area, Bill Kaempfer and John
Vanderpoel reported Greater White-fronted Goose.
---On February 24 on South Platte River near 168th, Bill Kaempfer and John
Vanderpoel reported Spotted Sandpiper and 4 American Pipits.  On February
28 on South Platte near 168th AVE, Sunny Bradford reported Double-crested
Cormorant in ponds of wastewater treatment plant.
---On March 1 at Barefoot Lakes Area, Gene Rutherford reported 1-st cyc Mew

---On February 25 at Stalker Lake outside of Wray, David Ely and Steve
Mlodinow reported 80 Greater White-fronted Geese, Trumpeter Swan, Lincoln’s
Sparrow,  2 Northern Cardinals, 3 Brown-headed Cowbirds.

DFO Field Trips:
The DFO Field Trip for Tuesday, February 27 will be to Larimer County led
by David Suddjian (dsuddjian AT; 831-713-8659)   Meet at Colorado
Parks and Wildlife Office at 0630, 6060 N Broadway  Exit I-25 at 58th Ave,
go west 2 blocks to Broadway, then north 2 blocks to parking lot on right.
   Will explore selection of reservoir, parks, and other habitats seeking
gulls and other waterbirds.  Bring lunch and liquids and plan to carpool
from meeting spot.  Register online or contact leader.

The DFO Field Trip for Saturday, March 3 will be the cherry Creek State
Park led by Marky Keithler (mkeithler AT; 303-771-1421)  Meet at
west marina parking lot at 0800.  State Parks pass or day pass required.
Will carpool to various stops and walk 1-2 miles.  Bring binoculars, water,
snacks, sunscreen and bug repellents.  Scopes are useful.  Register online
or contact leader.

The DFO Field Trip for Sunday, March 4 will be to Denver City Park led by
Patrick O’Driscoll (patrodrisk AT; 303-885-6955)  Meet at 0645 at
parking strip on north side of Ferril Lake. Enter park from Colorado Blvd.
Northbound turns left onto 22nd Ave past Museum of Nature and Science;
southbound turns right onto 22nd at police station.  Go past museum parking
until road curves toward zoo.  Take immediate left at “To Pavilion
Bandstand” sign and go 300 yards down to corner with tall spruce trees,
where lake comes into view.  Park diagonally on left beneath spruces.
    Will check nesting colonies on Ducks and Ferril lakes and look for
early migrants.  Scopes are not necessary but may be of help to check
nests.  Dress for weather and bring water and snacks.  Register online or
contact leader.
Good Birding,
Joyce Takamine

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