Date: September 11, 2018 Compiler: Joyce Takamine e-mail: RBA AT cobirds.org
This is the Rare Bird Alert for Tuesday, September 11 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) Cackling Goose (*Prowers) Tundra Swan (*Prowers) Common Goldeneye (Chaffee) Hooded Merganser (Park) Northern Bobwhite (Larimer) White-winged Dove (*Mesa) RUBY-THROATED HUMMINGBIRD (Kiowa) Virginia Rail (El Paso, Pueblo) Sora (Pueblo) Black-necked Stilt (Larimer) American Avocet (Adams, Park, Washington) Black-belllied Plover (Morgan) American Golden Plover (Washington) Semipalmated Plover (Larimer, Montezuma, Washington) Piping Plover (Washington) Long-billed Curlew (Weld) Marbled Godwit (Adams, Larimer, Washington, *Weld) Stilt Sandpiper (Larimer, Washington, *Weld) Sanderling (Larimer) Pectoral Sandpiper (*Arapahoe, Larimer, Washington,) Semipalmated Sandpiper (Boulder, Larimer, Pueblo, Washington) Western Sandpiper (Boulder, Larimer) Solitary Sandpiper (*Adams, El Paso, Larimer, Las Animas, Pueblo) Willet (Larimer) Red-necked Phalarope (*Adams, Washington) Parasitic Jaeger (*Douglas) Long-tailed Jaeger (*Douglas) Sabine’s Gull (*Arapahoe, Douglas, Washington) Mew Gull (*Arapahoe) Lesser Black-backed Gull (Douglas, *Weld) Great Black-backed Gull (Douglas) Caspian Tern (Larimer) Black Tern (Kiowa, Washington) Common Tern (Washington) Little Blue Heron (Boulder, Weld) Green Heron (Denver) YELLOW-CROWNED NIGHT-HERON (Yuma) White-faced Ibis (Routt, Summit) Rough-legged Hawk (*Adams) Lewis’s Woodpecker (La Plata, Montezuma) Red-headed Woodpecker (El Paso, Kiowa) Williamson’s Sapsucker (Chaffee) Red-naped Sapsucker (*El Paso) Ladder-backed Woodpecker (*El Paso, Las Animas, Pueblo) Merlin (Kiowa, Moffat) Olive-sided Flycatcher (Arapahoe, *El Paso, *Montezuma, Pueblo) EASTERN WOOD-PEWEE (El Paso) Least Flycatcher (Kiowa, Pueblo) Hammond’s Flycatcher (*Mesa, Montezuma) Dusky Flycatcher (*El Paso, Montezuma) Western Flycatcher (*El Paso) Cordilleran Flycatcher (Jefferson, Montezuma, Ouray) Black Phoebe (*Mesa, Montezuma, Ouray) Eastern Phoebe (Denver, Chaffee, *Jefferson, Las Animas) Ash-throated Flycatcher (Chaffee) Great Crested Flycatcher (*El Paso, Kiowa, Pueblo) Cassin’s Kingbird (*El Paso, Fremont, Las Animas) Blue-headed Vireo (Pueblo) Eastern Kingbird (Chaffee, Larimer, *Summit) White-eyed Vireo (Douglas) Gray Vireo (Las Animas, Mesa) Cassin’s Vireo (Kiowa, *La Plata, Ouray, Pueblo) Red-eyed Vireo (Boulder, El Paso) Canada Jay (Mesa) Pinyon Jay ( Jefferson) Woodhouse’s Scrub-Jay (Chaffee, Douglas, *La Plata, Las Animas, Montezuma) Common Raven (Weld) Violet-green Swallow (Weld) Juniper Titmouse (Las Animas) Bushtit (Arapahoe, Douglas, El Paso, Las Animas) Marsh Wren (Adams, Arapahoe) Bewick’s Wren (Fremont, Las Animas, *Mesa) Blue-gray Gnatcatcher (Adams, Clear Creek, Denver, Douglas, *El Paso, *La Plata, Larimer, *Montezuma, Phillips, Pueblo) Ruby-crowned Kinglet (*El Paso) Swainson’s Thrush (*El Paso, Kiowa) Curve-billed Thrasher (El Paso, Pueblo) Brown Thrasher (Adams, *El Paso, Kiowa) Sage Thrasher (Chaffee, El Paso, Fremont, Jackson, Park, Pueblo) American Pipit (Mesa) McCown’s Longspur (Weld) Chipping Sparrow (*El Paso) Clay-colored Sparrow (*Adams, Denver, *El Paso, Fremont, Kiowa, *Mesa, Pueblo) Brewer’s Sparrow (Adams, *El Paso, *Mesa, *Montezuma, Pueblo, Summit) Lark Bunting (*Adams, Summit) Savannah Sparrow (Pueblo) Grasshopper Sparrow (Larimer) Fox Sparrow (Slate-color) (Ouray) Orchard Oriole (Adams) Baltimore Oriole (Morgan) Ovenbird (Larimer, Pueblo) Northern Waterthrush (*El Paso, La Plata) Tennessee Warbler (Las Animas) Nashville Warbler (Jefferson, Las Animas) Hooded Warbler (*Jefferson) American Redstart (*La Plata) Blackburnian Warbler (Boulder) Blackpoll Warbler (Jefferson, Larimer, Phillips) Grace’s Warbler (Montezuma) Black-throated Gray Warbler (El Paso) Townsend’s Warbler (El Paso, Larimer) Hepatic Tanager (Las Animas) Summer Tanager (Las Animas) Indigo Bunting (Kiowa, Yuma) ADAMS COUNTY: ---On September 7 at Barr Lake Banding Station, Meredith McBurney banded 2 Clay-colored Sparrows. On September 8 at Barr Lake Banding Station, Meredith McBurney banded Marsh Wren. On September 9 at Barr Lake Banding Station Meredith McBurney banded Brown Thasher and 2 Ovenbird (hatch yr). ---On September 7 at Rocky Mountain Arsenal NWR, Candice Johnson reported Solitary Sandpiper, Rough-legged Hawk, 6 Clay-colored Sparrow, 3 Brewer’s Sparrow, and 3 Lark Bunting. 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 9 at Barr Lake SP, Cameron Carver reported 20 American Avocet and 3 Marbled Godwit. ARAPAHOE COUNTY: ---On September 8 at Cherry Creek SP, Ben Sampson reported imm Mew Gull and Pectoral Sandpiper. On September 9 at Cherry Creek SP, Gabriel Wiltse reported Mew Gull, Olive-sided Flycatcher and 3 Bushtit. On September 10 at Cherry Creek SP, Chris Brown reported Mew Gull and Pectcoral Sandpiper; Christine Alexander reported Mew Gull and 3 Sabine’s Gulls. BOULDER COUNTY: ---On September 8 at Bobolink Trail, Ryan Bushong reported Red-eyed Vireo and F Blackburnian Warbler. Many birders were able to see the vireo and warbler. ---On September 8 at Clover Basin Reservoir, Dan Zmolek and Leslie S reported Semipalmated Sandpiper and Western Sandpiper; Alex Brown reported Little Blue Heron. CHAFFEE COUNTY: ---On September 8 at Fairview Cemetery, Christian Hagenlocher reported Williamson’s Sapsucker, Eastern Kingbird, and Woodhouse’s Scrub-Jay. ---On September 8 at 7726 CR 154 Salida, Christian Hagenlocher reported Ash-throated Flycatcher. ---On September 8 at 7725 CR 154 Salida, Christian Hagenlocher reported Sage Thrasher. ---On September 8 at Sands Lake SWA, Christian Hagenlocher reported Common Goldeneye and Merlin. On September 9 at Sands Lake SWA, Jeff Guy reported Eastern Phoebe. CLEAR CREEK COUNTY: ---On September 8 at South Spring Gulch Road, Nathan Senner reported Blue-gray Gnatcatcher. DENVER COUNTY: ---On September 8 at Bluff Lake Nature Center, George Ho reported Green Heron. On September 9 at Bluff Lake Nature Center, Betty Glass reported Green Heron. ---On September 9 at Westerly Creek Park, Jason Bidgood reported Eastern Phoebe, Blue-gray Gnatcatcher, Clay-colored Sparrow. DOUGLAS COUNTY: ---On September 8 at Chatfield SP Marina Sandspit, Joey Kellner reported Sabine’s Gull and Lesser Black-backed Gull. On September 8 at Chatfield SP Marina Sandpit, Glenn Walbek reported 3rd cyc Greater Black-backed Gull. ---On September 9 at Castlewood Canyon Road, Lyn ne 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. 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 7 at Chico Basin Ranch, John Drummond reported Red-headed Woodpecker, Ladder-backed Woodpecker, Gray Flycatcher, Dusky Flycatcher, 12 Clay-colored Sparrows, 5 Brewer’s Sparrows, and Northern Waterthrush. On September 8 at Chico Basin Ranch, Jim Merrit reported Hammond’s Flycatcher, Dusky Flycatcher, Great Crested Flycatcher, Blue-gray Gnatcatcher, Curve-billed Thrasher, 6 Brown Thrasher, Sage Thraser, and 7 Clay-colored Sparrows. On September 9 at Chico Basin Ranch, Tanja Britton, Alan and MaryLynne Ketcham reported 3 Ladder-backed Woodpecker, 4 Curve-billed Thrashers, 7 Brown Thrasher, Sage Thrasher, 15 Clay-colored Sparrows, Olive-sided Flycatcher, Cassin’s Kingbird, and Cassin’s Vireo. 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 7 at Hanover Road, John Drummond reported Curve-billed Thrasher and Sage Thrasher. ---On September 8 at Memorial Park in Colorado Springs, David Tonnessen reported EASTERN WOOD-PEWEE and Cassin’s Vireo. ---On September 8 at Fountain Creek Regional Park, John Drummond reported Virginia Rail, Solitary Sandpiper, Red-naped Sapsucker and 2 Bushtit. On September 8 at Fountain Creek Regional Park fall count, Steve Getty reported Brown Thrasher, Clay-colored Sparrow, Brewer’s Sparrow, 2 Cassin’s Vireos and Red-eyed Vireo. ---On September 9 at Hanover Fire Station, Tanja Britton reported 2 Curve-billed Thrasher. FREMONT COUNTY: ---On September 9 at Brush Hollow Reservoir, Dale and Joel Adams reported 7 Cassin’s Kingbirds, Bewick’s Wren, 20 Sage Thrashers, and Clay-colored Sparrow. JEFFERSON COUNTY: ---On September 7 at Belmar Park, Reed Gorner reported Blackpoll Warbler. ---On September 7 at Welchester Tree Grant Park, Myron Gerhard reported Hooded Warbler. On September 8 at Welchester Tree Grant Park, Bob Shade, Chris Gilbert, Michael Lester, Bez Bezuidenhout, Christine Alexander and GInney Bergstrom reported Hooded Warbler; Chris Gilbert also reported Nashville Warbler. On September 9 at Welchester Tree Grant Park, Sanatiago Tabares, Betty Glass, Kevin DeBoer and Reed Gorner reported Hooded Warbler; Reed Gorner also reported Nashville Warbler. On September 10 at Welchester Tree Grant Park, Ginny Bergstrom reported Hooded Warbler. ---On September 8 at Bear Creek Greenbelt—S Kipling Parkway to S Wadsworth BLvd, Reed Gorner and Santiago Tabares reported Cordilleran Flycatcher. ---On September 9 at 1801 Smith Road, Golden, Dennis Endicott reported 2 Pinyon Jay. ---On September 10 at Deer Creek at W Buckhorn Road, David Suddjian reported Eastern Phoebe. KIOWA COUNTY: ---On September 9 at Eads (town), Tony Leukering reported 2 RUBY-THROATED HUMMINGBIRD, Great Crested Flycatcher, and Indigo Bunting. ---On September 9 at Plainview School, Tony Leukering reported RUBY-THROATED HUMMINGBIRD, juv Red-headed Woodpecker, Merlin, Least Flycatcher, Cassin’s Vireo, Swainson’s Thrush (olive-backed), Brown Thrasher, and 2 Clay-colored Sparrow. 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 7 at Timnath Reservoir, Joe Mammoser reported Sanderling on east shore. On September 8 at Timnath Reservoir, Maureen Blackford, Rob Sparks, Nick Komar and Scott Rashsid reported Marbled Godwit, Stilt Sandpiper, 5 Semipalmated Sandpiper, Western Sandpiper, Sanderling, 3 Semipalmated Plover, Marsh Wren, and 2 Caspian Terns. On September 9 at Timnath Reservoir, Nick Komar reported Marbled Godwit, 3 Pectoral Sandpipers, and Caspian Tern. ---On September 9 at Wellington SWA—Cobb Lake Unit, Andy Bankert and Caroline Olson reported 16 Northern Bobwhite, Black-necked Stilt, Semipalmated Sandpiper, 2 Solitary Sandpiper, Willet, 2 Blue-gray Gnatcatcher, and Grasshopper Sparrow. ---On September 7 at Dixon Reservoir, David Wade reported Clay-colored Sparrow, Nashville Warbler, and Blackpoll Warbler. ---On September 7 at Pineridge Natural Area, Robin Welsh reported Ovenbird. LAS ANIMAS COUNTY: ---On September 8 at Alejandro Canyon, Steve Mlodinow reported Hepatic Tanger and 3 Ladder-backed Woodpeckers. ---On September 8 at Purgatoire River W of Alejandro Canyon, Steve Mlodinow reported 2 Ladder-backed Woodpeckers, 9 Eastern Phoebe, Cassin’s Kingbird, Gray Vireo, Woodhouse’s Scrub-Jay, 31 Bewick’s Wren, Tennessee Warbler, Nashville Warbler, and Summer Tanager. ---On September 9 at Johnson Canyon, Steve Mlodinow reported Ladder-backed Woodpecker, 2 Gray Vireo, 2 w Schrub -Jay, Junipter Titmouse, 2 Bushtit, and 5 Bewick’s Wren. ---On September 9 at Johnson Canyon Tank, Steve Mlodinow reported Solitary Sandpiper, Eastern Phoebe, Woodhouse’s Scrub-Jay, 2 Junipter Titmouse, 4 Bewick’s Wren. MESA COUNTY: ---On September 7 at Grand Mesa – Lands End, Carol Ortenzio reported 6 American Pipit, Canada Jay and 15 Brewer’s Sparrows. ---On September 8 at Cheney Reservoir, David Price reported Gray Flycatcher. ---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. MOFFAT COUNTY: ---On September 8 on E side of Craig, Tom Litteral reported Merlin. MONTEZUMA COUNTY: ---On September 8 at Totten Reservoir, Ryan Votta reported 3 Semipalmated Plover and 2 Blue-gray Gnatcatcher. ---On September 8 at Bauer Reservoir, Ryan Votta reported 9 Lewis’s Woodpecker, Black Phoebe and Woodhouse’s Scrub-Jay. ---On September 8 at Summit Reservoir, Ryan Votta reported Hammond’s Flycatcher, Dusky Flycatcher, Cordilleran Flycatcher, Blue-gray Gnatcatcher, Grace’s Warbler. ---On September 10 at Simon Draw SWA, Wendy Wibbens reported Olive-sided Flycatcher, 2 Blue-gray Gnatcatcher, and 15 Brewer’s Sparrows. MORGAN COUNTY: ---On September 8 at Jackson Reservoir State Park, Norm Lewis reported Baltimore Oriole. OURAY COUNTY: ---On September 7 at Ridgway SP, Dallas Creek Area, Adam Cupito banded Cordilleran Flycatcher and reported Cassin’s Vireo and Fox Sparrow (slate-color). ---On September 9 at Billy Creek, Kent Nelson reported Black Phoebe at bridge over Uncompahgre River. PARK COUNTY: ---On September 8 at Vaquero Road and Lobo Lanel Park, Matt Rogers reported Sage Thrasher. ---On September 9 at Antero Reservoir SE side, Christian Hagenlocher reported m Hooded Merganser and 26 American Avocet. 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. PUEBLO COUNTY: ---On September 7 at Chico Basin Ranch, Alan Ketcham and John Drummond reported Merlin, 8 Virginia Rail, 8 Sora, Semipalmated Sandpiper, 7 Solitary Sandpiper, Ladder-backed Woodpecker, Olive-sided Flycatcher, Least Flycatcher, Great Crested Flycatcher, Cassin’s Vireo, Blue-headed Vireo, 3 Blue-gray Gnatcatcher, Curve-billed Thrasher, 7 Sage Thrasher, 6 Clay-colored Sparrow, 4 Brewer’s Sparrows, 7 Savannah Sparrows, and Ovenbird. SUMMIT COUNTY: ---On September 9 at Dillon Reservoir, Charlie Nims reported 2 White-faced Ibis, Brewer’s Sparrow, and Lark Bunting. ---On September 10 at Arapaho National Forest near Breckenridge, R Knapp reported Eastern Kingbird. WASHINGTON COUNTY: ---On September 7 at Prewitt Reservoir, Kathy Mihm Dunning, Dean Shoup, Joey Kellner, and Norm Erthal reported 4 American Avocet, 12 Semipalmated Plover, Piping Plover, Marbled Godwit, 48 Stilt Sandpiper, Sandering, 6 Pectoral Sandpipers, 6 Semipalmated Sandpiper, 5 Red-necked Pharlarope, Sabine’s Gull, 33 Black Tern, and Common Tern. On September 8 at Prewitt Reservoir, Pablo Quezada reported Piping Plover, American Golden Plover, 30 Stilt Sandpipers, 8 Pectoral Sandpipers, 2 Semipalmated Sandpiper, 6 Red-necked Phalarope, Sabine’s Gull, and 6 Black Tern. WELD COUNTY: ---On September 8 at 52431 CR 77 Briggsdale, Gene Rutherford reported Long-billed Curlew. ---On September 8 at CR 59 Ault, Gene Rutherford reported 2 Common Raven and 2 McCown’s Longspur. ---On September 10 at Windsor Lake, Steve Mlodinow reported Lesser Black-backed Gull. YUMA COUNTY: ---On September 7 at Stalker Lake SWA, Norm Erthal, Joey Kellner, Dean Shoup, and Kathy Mihm Dunning reported 1ad YELLOW-CROWNED NIGHT-HERON. DFO Field Trips Timnath Reservoir Tuesday, September 11 5:30 AM – 12:PM Gregg Goodrich (GreggGoodrich AT gmail.com; 303-655-9135) Northwestern Colorado Tuesday, September 11 – Wednesday, September 12 7:00 AM – 2:00 PM David Suddjian (dsuddjian AT gmail.com; 831-713-8659) Boulder County Wednesday, September 12 7:00 AM – 11:00 AM John Malenich (john.malenich AT comcast.net; 303-359-9456) Bluff Lake Nature Center Thursday, September 13 7:00 AM – 2:00 PM Rebecca Laroche (RebeccaLLaroche AT gmail.com; 626-318-4435) Chatfield SP Marina Sandspit Thrusday, September 13 5:30 PM – 8:00 PM David Suddjian (dsuddjian AT gmail.com; 831-713-8659) Boulder County: Friday, September 14 6:30 AM – 4:00 PM Karen Drozda (drozforte AT AOL.com; 303-399-0891) This trip has been cancelled 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 -- You received this message because you are subscribed to the Google Groups "Colorado Birds" group. 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