Date: September 15, 2018
Compiler: Joyce Takamine
e-mail: RBA AT cobirds.org
This is the Rare Bird Alert for Saturday, September 15 sponsored by Denver Field Ornithologists and the Bird Conservancy of the Rockies.
Note that the RBA is using the new AOU checklist.
Rare and out of range species for the last seven days include: (*indicates new information on this species)
Snow Goose (Prowers)
Greater White-fronted Goose (*Montezuma)
Cackling Goose (Larimer, Prowers)
Trumpeter Swan (Archuleta)
Tundra Swan (Prowers)
Barrow's Goldeneye (Routt)
Hooded Merganser (Arapahoe)
Chukar (*Mesa)
White-winged Dove (Mesa)
Black Swift (Rio Grande)
Virginia Rail (*Montezuma)
Sort (*Montezuma)
Black-necked Stilt (*Eagle, Mesa)
American Avocet (Adams, Jackson, Washington)
Black-belllied Plover (Morgan, Washington)
Semipalmated Plover (Jackson, Larimer, Washington)
Whimbrel (Washington)
Marbled Godwit (Adams, Larimer, Washington, Weld)
Stilt Sandpiper (Jackson, Larimer, Weld)
Sanderling (Adams)
Pectoral Sandpiper (Adams, Arapahoe, Jackson, Washington,)
Semipalmated Sandpiper (Jackson)
Western Sandpiper (Jackson)
Solitary Sandpiper (Adams, Jackson, Larimer, Las Animas, Pueblo)
Willet (Washington)
Red-necked Phalarope (Adams, Washington)
Parasitic Jaeger (*Douglas, *Jefferson)
Long-tailed Jaeger (Douglas, *Jefferson, Pueblo)
Sabine's Gull (Arapahoe, *Denver, *Douglas, *Jefferson)
LITTLE GULL (Washington)
Mew Gull (Arapahoe, Routt)
Lesser Black-backed Gull (Adams, *Douglas, Larimer, Pueblo, Weld)
Great Black-backed Gull (Douglas, Jefferson)
Caspian Tern (Douglas, Jefferson, Larimer, Washington)
Black Tern (Kiowa, Washington)
Common Tern (Douglas, Washington)
Forster's Tern (Jackson, *Montezuma)
Common Loon (Adams, Eagle)
Great Egret (*Montrose)
Snowy Egret (*Routt)
Little Blue Heron (Weld)
Cattle Egret (Mesa)
Green Heron (*Denver, Larimer)
Black-crowned Night-Heron (*Montezuma)
White-faced Ibis (Mesa, *Montezuma, Routt, Washington)
Rough-legged Hawk (Adams)
Lewis's Woodpecker (La Plata)
Red-headed Woodpecker (El Paso)
Red-naped Sapsucker (Boulder, El Paso, *Ouray, *Weld)
Ladder-backed Woodpecker (El Paso, Pueblo)
Olive-sided Flycatcher (Larimer, Montezuma)
Willow Flycatcher (El Paso, *Ouray)
Least Flycatcher (*Weld)
Hammond's Flycatcher (Adams, *El Paso, *Mesa, *Weld)
Gray Flycatcher (*Larimer, *Weld)
Dusky Flycatcher (*Adams, El Paso, *Larimer, *Ouray, *Weld)
Western Flycatcher (El Paso)
Cordilleran Flycatcher (Douglas, Montezuma)
Black Phoebe (Jefferson, Mesa)
Eastern Phoebe (Denver, Jefferson)
Great Crested Flycatcher (El Paso)
Eastern Kingbird (Larimer, Summit)
FORK-TAILED FLYCATCHER (*Larimer)
White-eyed Vireo (Douglas)
Gray Vireo (Mesa)
Cassin's Vireo (Adams, El Paso, La Plata, Mesa)
Pinyon Jay (*Montezuma, Ouray)
Steller's Jay (Ouray)
Woodhouse's Scrub-Jay (Douglas, Jefferson, La Plata, Larimer, Montezuma, *Montrose, *Ouray)
Chihuahuan Raven (El Paso, Pueblo)
Violet-green Swallow (Weld)
Bushtit (Douglas)
Marsh Wren (*Adams, Arapahoe, Larimer)
Bewick's Wren (Las Animas, Mesa, Montezuma)
Blue-gray Gnatcatcher (Adams, Denver, Douglas, El Paso, La Plata, *Montrose, Phillips, San Juan)
Golden-crowned Kinglet (El Paso, San Miguel)
Ruby-crowned Kinglet (Adams, *El Paso, Larimer, Montezuma, *Weld)
Swainson's Thrush (El Paso)
Hermit Thrush (El Paso)
Curve-billed Thrasher (El Paso, *Larimer)
Brown Thrasher (El Paso, *Weld)
Sage Thrasher (El Paso, Jackson, *Larimer, Pueblo, *Weld)
American Pipit (Larimer, Pueblo)
Chipping Sparrow (*Adams, El Paso)
Clay-colored Sparrow (Adams, Denver, El Paso, Larimer, Mesa)
Brewer's Sparrow (Adams, *Denver, El Paso, Jackson, Larimer, Mesa, Montezuma, *Weld)
Lark Bunting (Adams, Jackson, Routt)
Savannah Sparrow (*Eagle, Jackson, Jefferson, Larimer, Pueblo, Washington)
Lincoln's Sparrow (Adams, Denver, *El Paso, *Larimer, *Ouray, *Weld)
Yellow-breasted Chat (*Larimer, *Ouray)
Orchard Oriole (Adams, *Weld)
Northern Waterthrush (El Paso, La Plata, *Northern Waterthrush)
Black-and-white Warbler (Boulder)
Prothonotary Warbler (*Jefferson)
Hooded Warbler (Jefferson)
American Redstart (La Plata)
Blackpoll Warbler (*Larimer, Phillips)
Palm Warbler (Jefferson, San Miguel)
Pine Warbler (Jefferson)
Grace's Warbler (*Archuleta)
Black-throated Gray Warbler (El Paso)
Townsend's Warbler (El Paso, Larimer)
Summer Tanager (Routt)
Lazuli Bunting (*El Paso)
Indigo Bunting (Kiowa, Yuma)
ADAMS COUNTY:
---On September 11 at Barr Lake Banding Station, Meredith McBurney banded 2 Dusky Flycatchers, Chipping Sparrows, Clay-colored Sparrow, and Brewer's Sparrow. On September 13 at Barr Lake Banding Station, Meredith McBurney banded Hammond's Flycatcher, Cassin's Vireo, and Ruby-crowned Kinglet. On September 14 at Barr Lake Banding Station, Meredith McBurney banded Dusky Flycatcher, Marsh Wrenn and 2 Chipping Sparrow.
---On September 10 at Rocky Mountain Arsenal NWR, Candice Johnson reported 2 Red-necked Phalarope, Solitary Sandpiper, Rough-legged Hawk, 6 Clay-colored Sparrow, and 3 Lark Bunting.
---On September 9 at Rocky Mountain Arsenal NWR First Creek, John Breitsch reported Orchard Oriole and Blue-gray Gnatcatcher.
---On September 13 at Barr Lake SP, David Dowell reported 19 American Avocet, Marbled Godwit, 2 Sanderling, 5 Pectoral Sandpipers, Semipalmated Sandpiper, 28 Red-necked Phalarope, Lesser Black-backed Gull, Common Loon, 2 Ruby-crowned Kinglet, and Lincoln Sparrow.
ARAPAHOE COUNTY:
---On September 10 at Cherry Creek SP, Chris Brown reported Mew Gull and Pectoral Sandpiper; Christine Alexander reported Mew Gull and 3 Sabine's Gulls.
---On September 13 at South Platte Park Eagle Watch Lake, Cynthia Madsen reported Hooded Merganser.
ARCHULETA COUNTY:
---On September 11 at Pinon Lake Reservoir, Ben Bailey reported Trumpeter Swan.
---On September 14 at San Juan NF Pagosa Springs, Zachariah Hutchinson reported 2 Grace's Warbler at (37.2672, -106.8921).
BOULDER COUNTY:
---On September 12 in Louisville (town), Jack Bushong reported Black-and-white Warbler along Coal Creek several hundred yards W of Community Park and SW of downtown.
---On September 12 at Pleasant View Marsh, Ernest Crvich reported f Red-naped Sapsucker
DENVER COUNTY:
---On September 9 at Bluff Lake Nature Center, Betty Glass reported Green Heron. On September 13 at Bluff Lake Nature Center, Rececca Laroche and DFO field trip reported Green Heron, Sabine's Gull, Clay-colored Sparrow, 5 Brewer's Sparrow, 2 Lincoln's Sparrow.
---On September 9 at Westerly Creek Park, Jason Bidgood reported Eastern Phoebe, Blue-gray Gnatcatcher, Clay-colored Sparrow.
DOUGLAS COUNTY:
---On September 9 at Castlewood Canyon Road, Lynne Forrester reported White-eyed Vireo, 12 Woodhouse's Scrub-Jay, 33 Bushtit, and 9 Blue-gray Gnatcatcher.
---On September 9 at Chatfield SP, Myron Gerhard found 3 jaegers. On September 10 at Chatfield SP Marina Sandspit and below dam, Mark Chavez, Frank Farrell, Gwen Moore, Gregg Goodrich, Hillary White, Scotter Somershoe, Lock Kilpatrick and Glenn Walbek reported 2 Long-tailed Jaegers and Parasitic Jaeger. On September 11, Doug Faulkner and many other birders reported 2 Long-tailed Jaegers, Parasitic Jaeger, 2 Sabine's Gulls, 2 Common Tern, and 3 Savannah Sparrows. On September 12 at Chatfield SP, Marina Sandspit, Tony Leukering reported Parasitic Jaeger and 2 Long-tailed Jaegers. On September 13 at Marina Sandspit, Diane Roberts, and Nick Moore reported Parasitic Jaeger and 2 Caspian Tern. On September 13 at Chatfield SP Handicapped Fisherman Access, David Suddjian and DFO field trip reported Parasitic Jaeger, and 2 Long-tailed Jaeger. On September 14 at Marina Sandspit, Sarah Leavesley, Joe Hanfman, and Gwen Moore reported Parasitic Jaeger, Lesser Black-backed Gull, and Sabine's Gull.
---On September 13 at Roxborough SP, Bea Weaver reported Cordilleran Flycatcher, 11 Woodhouse's Scrub-Jay. And Bushtit.
EAGLE COUNTY:
---On September 13 at Piney Lake, Deanna MacPhail reported Common Loon.
---On September 14 at 948 Eagle Crest Dr, Edwards, Eric Culbertson reported 3 Black-necked Stilt and Savannah Sparrow.
EL PASO COUNTY:
---On September 10 at Clear Spring Ranch, Steve Brown banded juv Northern Waterthrush, 20 Chipping Sparrows, 4 Clay-colored Sparrows, and Brewer's Sparrow. On September 11 at Clear Spring Ranch, Steve Brown banded another Northern Waterthrush, 28 Chipping Sparrows and Clay-colored Sparrow. On September 14 at Clear Spring Ranch, Steve Brown banded 8 Lincoln's Sparrows, 2 Clay-colored Sparrows, Brewer's Sparrow, Savannah Sparrow, juv f Ruby-crowned Kinglet, and juv m Pine Warbler.
---On September 10 at Chico Basin Ranch, John Drummond reported 2 Ladder-baked Woodpecker, Olive-sided Flycatcher, Dusky Flycatcher, Western (Pacific-slope/Cordilleran) Flycatcher, Great Crested Flycatcher, Cassin's Vireo, Blue-gray Gnatcatcher, Brown Thrasher, Swainson's Thrush (Olive-backed), 18 Clay-colored Sparrows, and 5 Brewer's Sparrows. On September 12 at Chico Basin Ranch, Terence Berger, Kevin Ash, John Drummond and Jeannie Mitchell and others, reported Red-naped Sapsucker, 2 Red-headed Woodpecker, 3 Ladder-backed Woodpecker, Willow Flycatcher, Great Crested Flycatcher, Cassin's Vireo, Chihuahuan Raven, 2 Blue-gray Gnatcatcher, Ruby-crowned Kinglet, Curve-billed Thrasher, 3 Brown Thrashers, 2 Sage Thrasher, 5 Clay-colored Sparrow, 12 Brewer's Sparrow.
---On September 11 at Chico Basin Ranch Banding Station, Kim Geissler banded Northern Waterthrush, 3 Brown Thrashers, and Hermit Thrush. On September 12 at Chico Basin Ranch Banding Station, Kim Geissler reported 3 Ruby-crowned Kinglet, Golden-crowned Kinglet, and 2 Brown Thrasher. On September 13 at Chico Basin Ranch Banding Station, Kim Geissler banded 2 Ruby-crowned Kinglet, 2 Western Flycatcher, Hammond's Flycatcher, Clay-colored Sparrow, and 6 Lincoln's Sparrows. On September 14 at Chico Basin Ranch Banding Station, Kim Geissler banded Ruby-crowned Kinglet, 2 Hammond's Flycatcher, 2 Lazuli Bunting, and 3 Lincoln's Sparrows.
JACKSON COUNTY:
---On September 11 at Arapaho NWR Auto Loop, Chuck Hundermart reported 7 American Avocet, 3 Semipalmated Plover, 12 Stilt Sandpipers, Pectoral Sandpiper, 2 Semipalmated Sandpiper, Western Sandpiper, Solitary Sandpiper, Sage Thrasher, and Lark Bunting.
---On September 12 at Walden Reservoir, Chuck Hundertmark reported Forster's Tern, Sage Thrasher, 14 Savannah Sparrow, and 5 Brewer's Sparrow.
JEFFERSON COUNTY:
---On September 10 at Welchester Tree Grant Park, Ginny Bergstrom reported Hooded Warbler.
---On September 10 at Deer Creek at W Buckhorn Road, David Suddjian reported Eastern Phoebe.
---On September 10 at South Valley Park, David Suddjian reported Palm Warbler in wild plum thicket along South Valley Road about .5 mile south of Mann Reservoir. On September 12 at South Valley Road, Gwen Moore reported Palm Warbler and 2 Woodhouse's Scrub-Jay.
---On September 11 at Wheat Ridge Greenbelt at Youngfield Entrance, Tuesday Birders reported Black Phoebe and Savannah Sparrow.
---On September 11 at Chatfield SP North Boat Ramp, Bill Kaempfer and Dean Shoup reported Great Black-backed Gull, Parasitic Jaeger, and 2 Long-tailed Jaeger. On September 12 at Chatfield SP North Boat Ramp, Brian Johnson, Norm Lewis, and Santiago Tabares reported Parasitic Jaeger, 2 Long-tailed Jaeger, and Sabine's Gull. On September 13 at Chatfield SP North Boat Ramp, Lisa Edwards, Michael Lester, Timo Mizen, Diane Roberts, Gabriel Wiltse and Christine Alexander reported Parasitic Jaeger, 2 Long-tailed Jaeger, Sabine's Gull, and 2 Caspian Tern. On Septebmer 13 at Chatfield SP North Boat Ramp, David Suddjian and DFO Field Trip reported Parasitic Jaeger, 2 Long-tailed Jaeger and Sabine's Gull. On September 14 at Chatfield SP North Boat Ramp, Myron Gerhard found a Prothonotary Warbler in Cottonwood trees and willows S of Parking Area; Mark Chavez, Gregg Goodrich, Joe Hanfman, Shannon Cwik and Pablo Quezada reported Parasitic Jaeger, 2 Long-tailed Jaeger, Prothonotary Warbler, Sabine's Gull.
LA PLATA COUNTY:
---On September 10 at Oxbow Park and Preserve, Susan Allerton reported Cassin's Vireo, 2 Woodhouse's Scrub-Jay, Blue-gray Gnatcatcher, and American Redstart.
LARIMER COUNTY:
---On September 11 at Timnath Reservoir, Gregg Goodrich and DFO Field Trip reported Cackling Goose, Semipalmated Plover, Stilt Sandpiper, 5 Sanderling (2 ad, 3 juv), Solitary Sandpiper, 2 Caspian Tern, Marsh Wren, 2 American Pipit, Savannah Sparrow; Steve Mlodinow also reported Lesser Black-backed Gull. On September 13 at Timnath Reservoir, Joe Mammoser reported Caspian Tern.
---On September 10 at Grandview Cemetery, Dave Leatherman reported Ruby-crowned Kinglet, Olive-sided Flycatcher. On September 11 at Grandview Cemetery, Dave Leatherman reported Woodhouse's Scrub-Jay and Clay-colored Sparrow.
---On September 11 at Prospect Ponds NA S of Sharp Point Drive first pond S of feed lot pond, Dave Leatherman reported Green Heron.
---On September 11 at Richard's Lake, Joshua Smith reported Dusky Flycatcher and Blue-gray Gnatcatcher.
---On September 13 at Tri Lakes Region, Joshua Smith reported Sage Thrasher and 2 Brewer's Sparrows.
---On September 14 at Dixon Reservoir, David Wade reported Blackpoll Warbler, 2 Lincoln Sparrows, and Yellow-breasted Chat.
---On September 14 at Bobcat Ridge, Josh Bruening reported Gray Flycatcher, Dusky Flycatcher, Curve-billed Thrasher, and 2 Sage Thrasher.
---On September 14 around 6:00 AM a FORK-TAILED FLYCATCHER was photographed at the solar panels near Rawhide Energy Station (information from Rachel Hopper and David Wade). There is a two track that runs north along the solar panels from Buckeye.
MESA COUNTY:
---On September 10 at Grand Junction Wildlife Area, Mike Henwood reported 2 Hammond's Flycatcher, White-winged Dove, Clay-colored Sparrow, Black Phoebe, 2 Bewick's Wren, and 40 Brewer's Sparrows. On September 11 at Grand Junction Wildlife Area, Denise and Mark Vollmar reported Clay-colored Sparrow, Cassin's Vireo, and Brewer's Sparrow. On September 14 at Grand Junction WA, Connee Moffatt reported Chukar asnd 3 Hammond's Flycatcher.
---On September 11 at James M Robb Colorado River SP Pear Park section, Connee Moffatt reported 2 Black-necked Stilt.
---On September 13 at Cheney Reservoir, Nic Korte reported Cattle Egret and 4 White-faced Ibis.
MONTEZUMA COUNTY:
---On September 10 at Simon Draw SWA, Wendy Wibbens reported Olive-sided Flycatcher, 2 Blue-gray Gnatcatcher, and 15 Brewer's Sparrows.
---On September 13 at Totten Reservoir, Erik Hendrickson reported Forester's Tern, Bewick's Wren, and Ruby-crowned Kinglet. On September 14 at Totten Reservoir, Erik Hendrickson reported Greater White-fronted Goose, 1 Virginia Rail, Sora, Forester's Tern, 4 Black-crowned Night-Heron, 4 White-faced Ibis, and 4 Pinyon Jay.
MONTROSE COUNTY:
---On September 14 at Baldridge and Ute Parks, Bruce Ackermand and Sandy Beranich reported Woodhouse's Scrub-Jay, 2 Blue-gray Gnatcatcher, and Great Egret at Riverbottom at Baldridge.
OURAY COUNTY:
---On September 11 at Ridgway SP Dallas Creek, Adam Cupito banded Yellow-breasted Chat and Willow Flycatcher; Betty Fenton observed Willow Flycatcher. On September 13 at Ridgway SP Dallas Creek, Adam Cupito reported 50 Pinyon Jay, Steller's Jay, and Woodhouse's Scrub-Jay and banded Willow Flycatcher. From September 10 – 14 at Ridgway SP Dallas Creek, Adam Cupito banded, 4 Lincoln's Sparrows, 2 Yellow-breasted Chat, 2 Willow Flycatcher, Red-naped Sapsucker, Woodhouse's Scrub-Jay and Dusky Flycatcher.
PUEBLO COUNTY:
---On September 12 at Chico Basin Ranch, Terence Berger reported 2 Solitary Sandpiper, Ladder-backed Woodpecker, 2 Chihuahuan Raven, Sage Thrasher, American Pipit, Savannah Sparrow.
---On September 13 at Pueblo Reservoir, Brandon Percival reported juv Long-tailed Jaeger and 2 ad Lesser Black-backed Gull on South Shore Marina Tires.s
PROWERS COUNTY:
---On September 10 at Hwy 50/Hwy 287 W of Lamar, Jane Stulp and Janeal Thompson reported 3 Snow Geese, 4 Cackling Geese, and Tundra Swan.
RIO GRANDE COUNTY:
---On September 11 at Home Lake, John Rawinski reported 20 Black Swifts.
ROUTT COUNTY:
---On September 11 at Yampa River Botanic Park, David Suddjian and DFO Field Trip reported Summer Tanager. Summer Tanager is a possible new county bird for Routt County.
---On September 11 at Yampa River near CR 70, David Suddjian and DFO Field trip reported Lark Bunting.
---On September 11 at Stagecoach Reservoir, David Suddjian and DFO Field trip reported Barrow's Goldeneye and Mew Gull. On September 14 at Stagecoach Reservoir, Phil Lyon reported juv Snowy Egret.
SAN JUAN COUNTY:
---On September 13 at 250-252 CR 6, Jason St Pierre reported Blue-gray Gnatcatcher.
SAN MIGUEL COUNTY:
---On September 13 Boomerang to River Trails near Telluride, Eric Hynes reported 2 Golden-crowned Kinglet and Palm Warbler (Western). The Palm Warbler if approved would be a new country bird.
SUMMIT COUNTY:
---On September 10 at Arapaho National Forest near Breckenridge, R Knapp reported Eastern Kingbird.
WASHINGTON COUNTY:
---On September 12 at Prewitt Reservoir, Cynthia Madsen and David Hill reported 8 Semipalmated Plover, Whimbrel, Marbled Godwit, Pectoral Sandpiper, 21 Red-necked Phalarope, 23 Black Tern, 4 Common Tern, and Savannah Sparrow. On September 13 at Prewitt Reservoir, Bill Kaempfer reported 2 American Avocet, Black-bellied Plover, 2 Red-necked Phalarope, Willet, LITTLE GULL, 33 Black Tern, 5 Common Tern, and 3 White-faced Ibis.
WELD COUNTY:
---On September 10 at Windsor Lake, Steve Mlodinow reported Lesser Black-backed Gull.
---On September 14 at Crow Valley CG, Norm Erthal, Joey Kellner, and John Drummond reported 3 Red-naped Sapsucker, 2 Gray Flycatcher, Dusky Flycatcher, Least Flycatcher, 2 Hammond's Flycatcher, 2 Ruby-crowned Kinglet, 2 Brown Thrasher, Sage Thrasher, Orchard Oriole, Clay-colored Sparrow, 3 Lincoln's Sparrows, and Nothern Waterthrush.
DFO Field Trips
Prewitt and Jackson Reservoirs
Saturday, September 15
5:30 AM – 6:00 PM
Mark Amershek (mamershek AT msn.com; 303-329-8646)
Littleton
Saturday, September 15
7:00 AM – 12:00 PM
David Suddjian (dsuddjian AT gmail.com; 831-713-8659)
Boulder Reservoirs (Baseline, Valmont, and Boulder)
Sunday, September 16
6:30 AM – 4:00 PM
Karen Drozda (drozforte At AOL.com; 303-388-0891)
Good Birding,
Joyce Takamine
Boulder
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