Compiler: Joyce Takamine Date: April 9, 2018 e-mail: RBA AT cobirds.org
This is the Rare Bird Alert for Monday, April 9 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. Snow Goose (*Boulder, *San Miguel) Ross’s Goose (*Douglas, *Weld) Greater White-fronted Goose (Jefferson, Rio Grande, Weld) Wood Duck (Montezuma) Greater Scaup (*Fremont, *Weld) Sharp-tailed Grouse (*Weld) Red-necked Grebe (*Jefferson, *Pueblo) Clark’s Grebe (Fremont) White-throated Swift (Chaffee, Pueblo) Broad-tailed Hummingbird (El Paso) Virginia Rail (Chaffee) Sora (*Montezuma) Sandhill Crane (Larimer, Mesa, Montezuma, Weld) Black-necked Stilt (Weld) Mountain Plover (El Paso, Lincoln) Long-billed Curlew (Boulder, *Douglas, Mesa) Marbled Godwit (*Pueblo) Least Sandpiper (*La Plata, *Weld) Western Sandpiper (*La Plata) Spotted Sandpiper (*Mesa) Willet (Arapahoe) Franklin’s Gull (Montezuma) Pacific Loon (Fremont) Double-crested Cormornants (Denver) American White Pelican (Douglas) Great Egret (*Fremont, La Plata, Larimer, Moffat, Weld) Snowy Egret (Denver) Little Blue Heron (Otero) White-faced Ibis (Mesa) Turkey Vulture (*Boulder, Douglas, *Larimer, Mineral) Osprey (*Pitkin) Northern Goshawk (Douglas, Jefferson, Larimer) Swainson’s Hawk (Jackson) Ferruginous Hawk (*Mesa) Burrowing Owl (El Paso, Mesa) Ladder-backed Woodpecker (*El Paso) Black Phoebe (*Fremont, *Mesa) Eastern Phoebe (*Boulder, Chaffee, Fremont, Larimer, Otero) Vermilion Flycatcher (El Paso) Western Kingbird (El Paso) Chihuahuan Raven (Crowley, Fremont) Common Raven (*Weld) Tree Swallow (*Larimer, Otero, *Pueblo) Violet-green Swallow (Araphoe, Denver, Fremont, Jefferson, Larimer, *Pueblo) Northern Rough-winged Swallow (*Adams, Arapahoe, Larimer) Bank Swallow (*Chaffee, Larimer, Otero, *Pueblo) Cliff Swallow (Chaffee, Larimer, Otero, *Pueblo) Barn Swallow (Broomfield, Chaffee, Denver, Larimer, Otero, *Pueblo) Mountain Chickadee (Otero) Golden-crowned Kinglet (Denver) Mountain Bluebird (Lincoln) Swainson’s Thrush (Adams) Hermit Thrush (Adams, Denver, Lincoln, Weld) Gray Catbird (Larimer) Curve-billed Thrasher (*El Paso, Fremont) Sage Thrasher (*Boulder, *El Paso) Northern Mockingbird (Broomfield, El Paso) American Pipit (Crowley, Jefferson, Larimer, Lincoln) Gray-crowned Rosy-Finch (San Miguel) Black Rosy-Finch (San Miguel) Brown-capped Rosy-Finch (San Miguel) Chestnut-collared Longspur (Lincoln, *Weld) McCown’s Longspur (El Paso, *Weld) Green-tailed Towhee (Jefferson) Cassin’s Sparrow (El Paso) American Tree Sparrow (*Boulder, *Larimer) Chipping Sparrow (Yuma) Vesper Sparrow (*Adams, *Boulder, Crowley, El Paso) Sagebrush Sparrow (Boulder, Larimer, *Mesa) Savannah Sparrow (Weld) Fox Sparrow (*Eagle) Lincoln’s Sparrow (Adams, Crowley, Larimer, Otero, Weld) Harris’s Sparrow (Denver, El Paso, Weld) Brown-headed Cowbird Yuma) Pine Warbler (*Larimer) Blue Grosbeak (*Larimer) ADAMS COUNTY: ---On April 6 at Barr Lake SP, Susan Quinlan reported Hermit Thrush. On April 7 at Barr Lake SP Niedrach trail and Visitor Center, Brian Johnson reported Swainson’s Thrush. ---On April 7 at Pond N of Big Dry Creek Park, Matt Hofeditz reported Lincoln’s Sparrow. ---On April 7 at Metzger Farms OS, Matt Hofeditz reported Lincoln’s Sparrow. ---On April 7 at Mann-Nyholt Lake, Adam Veseley reported Lincoln’s Sparrow. ---On April 8 at Rocky Mountain Arsenal NWR Bluestem Loop Trail, John Breitsch reported Vesper Sparrow. ---On April 8 at Ken Mitchell Park and OS, Adam Vesely reported Northern Rough-winged Swallow. ARAPAHOE COUNTY: ---On April 6 at South Platte Park, Edward Donnan reported Willet. ---On April 6 at Centennial Park, Art Hudak reported Northern Rough-winged Swallow and 8 Violet-green Swallows. BOULDER COUNTY: ---On April 6 at Boulder Reservoir Complex, David Dowell reported 2 Snow Geese. On April 7 at Boulder Reservoir Complex Ron Podhajsky, Peter Burke, Kathie Lehman, and David Haskell, Dan Zmolek, and Leslies S reported 2 Snow Geese, 2 Vesper Sparrows, and Sage Thrasher and 3 Turkey Vultures. On April 8 at Boulder Reservoir Complex, Ted Floyd and several other birders reported Turkey Vultures, 2 Snow Geese, Sage Thrasher, 2 Vesper Sparrows, American Tree Sparrow. ---On April 5 at Boulder Creek and 75th St, Gregg Goodrich and Anna Troth reported Eastern Phoebe on both sides of the bridge. On April 7 at Boulder Creek and 75th St, Emil Yappert and Richard Trinkner reported Eastern Phoebe; Ernest Crvich reported 2 Eastern Phoebes at Boulder Creek and 75th St but west of bridge. On April 8 at Boulder Creek and 75th St, Chuck Hundertmark and Bob Spencer reported Eastern Phoebe. ---On April 5 at Foothills Community Park North end, Christian Nunes reported Sagebrush Sparrow and several birders got to see it. ---On April 5 at Stearns Lake, Ted Floyd reported 2 Snow Geese. ---On April 7 in area around Hwy 66 between N 61st and N 63rd St in Longmont, Ethan Kistler, Christian Nunes, David Waltman, Dan Zmolek, Leslie S reported 2 Long-billed Curlews and Peter Burke reported 3 Long-billed Curlews N of Hwy 66; Willem van Vliet reported 3 Long-billed Curlews on N63rd West of McCall Lake. BROOMFIELD COUNTY: ---On April 7 at Plaster Reservoir, Matt Hofeditz reported Barn Swallow. CHAFFEE COUNTY: ---On April 5 at Bob’s Rocks, Christian Hagenlocher reported 4 White-throated Swifts. ---On April 7 at Sands Lake SWA, Michael O’Brien and VENT Grouse Tour reported Bank Swallow, Eastern Phoebe, 20 Cliff Swallows, and 5 Barn Swallows. ---On April 8 at Frantz Lake SWA, Christian Hagenlocher reported Bank Swallow. CROWLEY COUNTY: ---On April 7 at Lake Henry, Steve Mlodinow reported Chihuahuan Raven, 3 American Pipits, Vesper Sparrow, and 2 Lincoln’s Sparrows. DENVER COUNTY: ---On April 5 at First Creek at DEN OS, John Breitsch reported Harris’s Sparrow. On April 7 at First Creek at DEN OS, Lorraine Lanning reported Harris’s Sparrow. ---On April 7 at Denver City Park, Patrick O’Driscoll and DFO Field Trip reported 4 Snowy Egrets, 445 Double-crested Cormornants and 200 nests, 2 Violet-green Swallows, 3 Barn Swallows and Golden-crowned Kinglet. ---On April 7 at Denver Botanic Gardnes and Cheeseman Park, Rebecca Laroche reported 2 Golden-crowned Kinglets and Hermit Thrush. DOUGLAS COUNTY: ---On April 5 at Parker Regional Park (aka Salisbury Equestrian Park), Tim Ryan reported Ross’s Goose. On April 7 at Parker Regional Park (aka Salisbury Equestrian Park), Sue Plankis reported Ross’s Goose. On April 8 at Parker Regional Park (aka Salisbury Equestrian Park), Tim Ryand and Nancy Davis reported Ross’s Goose. ---On April 7 at Roxborough SP, Candice Johnson reported Northern Goshawk. On April 8 at Roxbourgh SP, Stan Dodds and R Knapp reported Long-billed Curlew. ---On April 8 along south entrance road to Chatfield SP in Prairie dog colony, Cynthia Kristensen reported Long-billed Curlew. EAGLE COUNTY: ---On April 8 on Eagle River from Gypsum to Dotsero, JoAnn Riggle reported 2 Fox Sparrows. EL PASO COUNTY: ---On April 5 at Hanover Road, Diane Roberts and her DFO Field Trip reported pair of Ladder-backed Woodpeckers, Curve-billed Thrasher, 2 Burrowing Owls, 4 Sage Thrashers, and 2 Cassin’s Sparrows. On April 6 on Hanover Rd on pine tree at oasis, Jim Merritt reported Ladder-backed Woodpecker; R Knapp reported 2 Western Kingbirds. On April 7 on Hanover Road Gloria Nikolai reported 3 Curve-billed Thrashers and 2 Burrowing Owls. On April 8 on Hanover Road, Robin Bredl and Mark Chavez reported Curve-billed Thrasher and 2 Ladder-backed Woodpecker ---On April 5 at Chico Basin Ranch (fee area), Jeannie Mitchell and John Drummond reported 2 Burrowing Owls, 3 Ladder-backed Woodpeckers, and Curve-billed Thrasher; Patraicia Bacchetti reported Curve-billed Thrasher. On April 8 at Chico Basin Ranch, Alan and Mary Lynne Ketcham reported 3 pair of Curve-billed Thrashers and Sage Thrasher. ---On April 5 at DeGroot Road John Drummond reported Cassin’s Sparrow. ---On April 5 at 19250 Loop Rd Uldrickson Farm, Christine Alexander, Ginny Bergstrom and Tom Johnson and his Field Guides tour reported Vermilion Flycatcher. ---On April 5 at Hanover Fire Station, Jeannie Mitchell and John Drumond reported Cassin’s Sparrow. ---On April 5 on Birdsall Road, Jim Merrit reported Curve-billed Thasher. ---On April 5 at Blair Bridge OS, Joy Lake reported Broad-tailed Hummingbird. ---On April 6 on Sanborn Rd near Yoder, David Tonnessen reported 4 McCown’s Longspur and Vesper Sparrow. ---On April 7 on Loop Road, Riley Morris reported 2 Curve-billed Thrashers. ---On April 7 on S Meridian Road Hanover Rd to Pueblo County Line, Roger Massey, reported Ladder-backed Woodpecker and Vesper Sparrow. FREMONT COUNTY: ---On April 7 at Brush Hollow, Cheryl Teuton and Norm Erthal reported basic plumaged Pacific Loon; Erthal reported Clark’s Grebe and Chihuahuan Raven; DeBoer reported Curve-billed Thrasher. On April 8 at Brush Hollow, Dale and Joel Adams reported 2 Greater Scaup. ---On April 7 at Canon City Valco Pond, Jerry DeBoer reported 4 Violet-green Swallows and Eastern Phoebe. On April 8 at Canon City Valco Pond, Dale and Joel Adams reported Great Egret and 2 Black Phoebe. JACKSON COUNTY: ---On April 7 on Hwy 14 S of Coalmont, Mike Buccieri reported Swainson’s Hawk. JEFFERSON COUNTY: ---On April 6 at Bear Creek Lake Park, Mark Chavez reported American Pipit. ---On April 5 at Ken Caryl Cathy Johnson Trail, David Suddjian reported Green-tailed Towhee. ---On April 7 at Chatfield SP, Susan Blansett reported 6 Violet-green Swallows flying over the South Platte River. ---On April 7 at Maxwell Falls Lower Trail, Shayna Wieferich reported Northern Goshawk and 2 Sandhill Cranes. ---On April 7 at Ralston creek trail thru west Woods Golf Course, John Shunk reported Greater White-fronted Goose. ---On April 7 at Coors Ponds, Bruce Snyder reported Red-necked Grebe. On April 8 at Coors Ponds, Karen Goetz, Matt Clark, and Susan Bonfiglio reported Red-necked Grebe. LA PLATA COUNTY: ---On April 6 at Pastorius Reservoir, Susan Allerton reported Least Sandpiper and Great Egret; Ryan Votta reported Great Egret. On April 8 at Pastorius Reservoir, Susan Allerton reported Least Sandpiper and Western Sandpiper. LARIMER COUNTY: ---On April 5 at Arapahoe Bend NA Rigden Reservoir (Strauss Cabin Lake), Walter Wehtje reported 4 Barn Swallows and 2 Cliff Swallows. On April 6 at Arapahoe Bend NA Rigden Reservoir (Strauss Cabin Lake), Lori Zabel reported Barn Swallow, 2 Vesper Sparrows, and 12 American Pipits. On April 7 at Arapahoe Bend NA Rigden Reservoir (Strauss Cabin Lake), Christine and Richard Sparks, John Shenot, Brandon Nooner, Heather Shirley, and Eva Matthews Lark reported 20 Sandhill Cranes, Violet-green Swallow, Northern Rough-winged Swallow, Bank Swallows, Cliff Swallows, and Barn Swallows. ---On April 5 at Lee Martinez Park, Ethan Kistler reported 125 Turkey Vultures from 0900 and Gray Catbird. ---On April 7 at CSU Environmental Learning Center riparian area upstream of dam, Lori Zabel reported Eastern Phoebe. ---On April 7 at Bobcat Ridge NA, Skyler Bol reported Sagebrush Sparrow, and Lincoln’s Sparrow. ---On April 8 at Wild Horse Birdfeeder in Loveland, John Reichhardt reported Pine Warbler. ---On April 8 at North Shields Pond NA, David Wade reported American Tree Sparrow. ---On April 8 at Grandview Cemetery, Dave Leatherman reported 80 Turkey Vultures and 2 Tree Swallows. LINCOLN COUNTY: ---On April 6 on CR S near Karval, David Tonnessen reported American Pipit and 8 Chestnut-collared Longspur. ---On April 6 on CR T near Karval, David Tonnessen reported 14 Mountain Plover and Mountain Bluebird. ---On April 6 in Karval (town), David Tonnessen reported Hermit Thrush. ---On April 7 at Matthews-Reeser Bird Sanctuary, Ethan Kistler reported Great Egret. ---On April 8 at Horsetooth Mountain OS Towers Trail, Jonny Appleseed reported possible m Blue Grosbeak. MESA COUNTY: ---On April 7 at Horsethief Canyon SWA, Carol Ortenzio and Katey Buster reported Black Phoebe. On April 8 at Horsetheif canyon SWA Jon Horn reported Spotted Sandpiper and Black Phoebe. ---On April 6 at Highline Lake SP, Kathleen McGinley and Mike Henwood reported White-faced Ibis and 2 Sandhill Cranes. ---On April 6 at Brewster Ridge, Mike Henwood reported 5 Long-billed Curlew. On April 8 at Brewster’s RidgeBar X Wash, Nic Korte reported Ferrugious Hawk and Sagebrush Sparrow. ---On April 6 on old Us Hwy 6 & 50 2 8/10 Rd N, Mike Henwood and Kathleen McGinley reported Burrowing Owl. ---On April 7 at Shiprock Pond, Nic Korte reported 3 White-faced Ibis. MINERAL COUNTY: ---On April 5 at West Fork Rd, Ben Bailey reported 2 Turkey Vultures. West Fork Rd is at mm158 on north Hwy 160. MOFFAT COUNTY: ---On April 5 at Moffat County Road Dept Ponds, John Vaderpoel reported Great Egret. MONTEZUMA COUNTY: ---On April 5 at Totten Lake, Glenn Dunmire reported 2 Sandhill Cranes and 6 Franklin’s Gulls. On April 8 at Totten Reservoir, Erik Hendrikson reported Sora. ---On April 5 at Centennial Park pond in Cortez, Glenn Dunmire reported pair of Wood Ducks. OTERO COUNTY: ---On April 6 at Holbrook Reservoir, Tom Johnson and his Field Guides Grouse Tour reported Little Blue Heron, 2 Tree Swallows, 2 Bank Swallows, and 6 Barn Swallows. On April 7 at Lake Holbrook east side outflow, Janeal Thompson reported Little Blue Heron. ---On April 7 at Rocky Ford Dike, Steve Mlodinow reported 30 Tree Swallows, 2 Bank Swallows, 80 Barn Swallows, and 8 Cliff Swallows. ---On April 7 at Rocky Ford SWA Ryans Ponds, Steve Mlodinow reported 2 Eastern Phoebe, 2 Mountain Chickadees and Lincoln’s Sparrow. PITKIN COUNTY: ---On April 8 on Emma Road in Basalt, Catherine Hagen reported 2 Osprey. PUEBLO COUNTY: ---On April 6 at Pueblo Reservoir, Brandon Percival reported breeding plumaged Red-necked Grebe. On April 8 at Pueblo Reservoir, Brandon Percival reported Tree Swallow, Violet-green Swallow, Barn Swallow, Cliff Swallow, and Bank Swallow. ---On April 8 at Pueblo Reservoir SWA, Brandon Percival and David Chartier reported Marbled Godwit. SAN MIGUEL COUNTY: ---On April 4 at The Terraces, Eric Hynes reported 1 Gray-crowned (Hepburn’s) Rosy-Finch, 4 Gray-crowned Rosy-Finch, 6 Black Rosy-Finch, and 140 Brown-capped Rosy-Finch. ---On April 8 at Hwy 145 and 44Z S Road, George Steele reported Snow Goose. WELD COUNTY: ---On April 7 at ponds west of CR 41 N of CR 46, Sharon Kay reported Great Egret, 3 Black-necked Stilits, and 12 Sandhill Cranes across the road. ---On April 7 at CR 1376 W of CR 105, James Holmes reported Sharp-tailed Grouse, Savannah Sparrow, and 8 Chestnut-collared Longspurs. ---On April 7 at CR 111 and CR 134, James Holmes reported 3 Sharp-tailed Grouse. ---On April 7 at Briggsdale (town) at corner of Main and 5th Ave, James Holmes reported Harris’s Sparrow. ---On April 7 at Clark Lake, James Holmes reported 4 Ross’s Geese, and 4 Greater White-fronted Geese. ---On April 7 at Behrens Reservoir area, Renee Casias and David Dowell reported Least Sandpiper. On April 8 at Behrens Reservoir, Gene Rutherford reported Least Sandpiper and Ross’s Goose. ---On April 7 at Crow Valley Campground, David Dowell and Georgiah Hartman reported Hermit Thrush and 2 Lincoln’s Sparrows. --- On April 7 at CR 136 and CR 111 Georgiah Hartman reported Sharp-tailed Grouse; at CR 111 and CR 134, Matt Clark reported 2 Sharp-tailed Grouse. ---On April 8 at Pawnee NG at CR 134 east of CR 111, Christine Alexander reported 4 Sharp-tailed Grouse, 6 Chestnut-collared Longspur and 8 McCown’s Longspur. ---On April 8 at Pawnee NG at CR 111 south of CR 136, Christine Alexander reported 4 Sharp-tailed Grouse. ---On April 8 at CR 59 Wetlands Shawn Mason reported Least Sandpiper. ---On April 8 at Firestone Gravel Pits (View from road), Steve Mlodinow reported 2 Greater Scaup and Common Raven. YUMA COUNTY: ---On April 7 at Wray, Bill Kaempfer reported Chipping Sparrow. DFO Field Trips: The DFO Field Trip for Monday, April 9 will be to Southwest Metro Area Ponds and Lakes led by David Suddjian (dsuddjian At gmail.com; 831-713-8659) This trip is FULL. Good Birding, Joyce Takamine Boulder -- You received this message because you are subscribed to the Google Groups "Colorado Birds" group. To unsubscribe from this group and stop receiving emails from it, send an email to cobirds+unsubscr...@googlegroups.com. To post to this group, send email to cobirds@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/cobirds/CAHtstTcwkx_YUhrHmKCS7P8WyapD0m4oy82pVoSmgeZGzhfNig%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
