Compiler: Joyce Takamine Date: April 21, 2018 e-mail: RBA AT cobirds.org
This is the Rare Bird Alert for Saturday, April 21 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 (Arapahoe) Greater White-fronted Goose (Arapahoe, Jefferson, *Prowers, Rio Grande) Tundra Swan (*Prowers) Mallard (Mexican intergrade) (Adams) Greater Scaup (Jackson, *Jefferson, Montrose) Barrow’s Goldeneye (Summit) Red-breasted Mergaser (Moffat, Montrose) CALIFORNIA QUAIL (*Moffat) Chukar (Douglas) Dusky Grouse (Montrose) Sharp-tailed Grouse (Weld) Horned Grebe (Ouray) Chimney Swift (El Paso) VAUX’S SWIFT (Pueblo) Red-necked Grebe (Boulder) Clark’s Grebe (Summit) Common Poorwill (Denver) White-throated Swift (Pueblo) ANNA’S HUMMINGBIRD (Larimer) Broad-tailed Hummingbird (El Paso) Virginia Rail (Chaffee, *Garfield) Sora (Delta) Sandhill Crane (*Delta, Larimer) Black-necked Stilt (Montrose, Weld) Semipalmated Plover (La Plata) Mountain Plover (El Paso, Weld) Whimbrel (Weld) Long-billed Curlew (Denver, La Plata) Marbled Godwit (*Delta, Montezuma) Baird’s Sandpiper (*Prowers, Weld) Least Sandpiper (La Plata, *Prowers, Weld) Western Sandpiper (*Boulder, La Plata, Mesa, Montrose) Spotted Sandpiper (*El Paso, Montrose, Weld) Solitary Sandpiper (*Boulder, Jefferson, *Mesa) Willet (Garfield) Greater Yellowlegs (Summit) Wilson’s Phalarope (*Garfield) Iceland Gull (Kiowa) Caspian Tern (Pueblo) American White Pelican (Douglas) Great Egret (*El Paso) Snowy Egret (*EL Paso, Kit Carson, La Plata) Cattle Egret (*Arapahoe) White-faced Ibis (Arapahoe, *El Paso, Lake, Montrose, Weld) Turkey Vulture (Douglas) Northern Goshawk (Larimer) Broad-winged Hawk (Montrose) Rough-legged Hawk (Denver, Weld) Ferruginous Hawk (Mesa) Red-naped Sapsucker (*Otero) Ladder-backed Woodpecker (El Paso) Dusky Flycatcher (Denver, Montrose) Eastern Phoebe (*Boulder, El Paso, Jefferson) Ash-throated Flycatcher (Gunnison) Great Crested Flycatcher (Jefferson) Western Kingbird (Montrose) Gray Vireo (Mesa) Gray Jay (*Jefferson) Violet-green Swallow (Jefferson, Weld) Northern Rough-winged Swallow (Moffat) Cliff Swallow (Moffat) Mountain Chickadee (*Larimer) Rock Wren (Weld) House Wren (La Plata) Golden-crowned Kinglet (Weld) Hermit Thrush (*Denver) Gray Catbird (*Boulder, El Paso) Curve-billed Thrasher (El Paso, Weld) Northern Mockingbird (Boulder, Broomfield, El Paso) American Pipit (Kiowa) Gray-crowned Rosy-Finch (San Miguel) Black Rosy-Finch (San Miguel) Brown-capped Rosy-Finch (San Miguel, Summit) Red Crossbill (Denver) Chestnut-collared Longspur (Kit Carson, *Weld) McCown’s Longspur (Weld) Green-tailed Towhee (*Teller) American Tree Sparrow (Boulder, Larimer) Chipping Sparrow (*Denver, El Paso, Logan, Montezuma) Brewer’s Sparrow (*Jefferson) Vesper Sparrow (Weld) Lark Sparrow (El Paso, Weld) Sagebrush Sparrow (Boulder) Lark Bunting (El Paso, *Weld) Fox Sparrow (Boulder, Jackson, San Miguel) Harris’s Sparrow (*Denver, El Paso) Yellow-headed Blackbird (*Garfield) Brown-headed Cowbird (Yuma) Orange-crowned Warbler (*El Paso, *Jefferson, Pueblo, Summit) LUCY’S WARBLER (*El Paso) Northern Parula (Kit Carson) Wilson’s Warbler (Pueblo) ADAMS COUNTY: ---On April 18 at Rocky Mountain Arsenal NWR, Chuck Aid and Michael Kiessig reported Mallard (Mexican intergrade). ARAPAHOE COUNTY: ---On April 17 at Exposition Park, G Stacks reported Greater White-fronted Geese. On April 20 at Exposition Park, G Stacks reported Cattle Egret. ---On April 19 at Cherry Creek SP, Diane Roberts reported 16 White-faced Ibis from Pelican Point; Bob Righter reported 25 White-faced Ibis on west side of wetlands preserve near observation kiosk. BOULDER COUNTY: ---On April 16 at Boulder Creek and 75th St, Holden Maxfield reported Eastern Phobe. On April 20 at Boulder Creek and 75th St, Alexander Brown reported Eastern Phoebe and Solitary Sandpiper; Jonathan Montgomery reported Gray Catbird. ---On April 18 on Skunk Canyon Trails, David Dowell reported Fox (Slate-colored) Sparrow. ---On April 18 at Valmont Overlook Legion Park, R Knapp reported Red-necked Grebe. ---On April 18 at Stearns Lake, Ted Floyd reported Northern Mockingbird. ---On April 20 at Golden Ponds Park and NA, David Dowell reported Eastern Phoebe. ---On April 20 at Coors Event Center on CU campus, Nathan Pieplow reported Eastern Phoebe. ---On April 20 at Walden/Sawhill Ponds, Stephen Chang reported 4 Western Sandpipers and Solitary Sandpiper. DELTA COUNTY: ---On April 19 at Sweitzer Lake, Doug Gochfeld and Field Guides Grouse Tour reported Sora. ---On April 20 at Hart’s Basin, Connie Kogler reported Marbled Godwits and 13 Sandhill Cranes. DENVER COUNTY: ---On April 20 at First Creek at DEN OS, John Breitsch reported Harris’s Sparrow, Hermit Thrush, and Chipping Sparrow. ---On April 16, Pratyayadipta Rudra reported a big flock of Red Crossbills in Denver and Sveemala Das Majumder reported 63 Red Crossbills in the 4600 block of Paris Street. ---On April 16 at Westerly Creek Park, Rebecca Laroche reported Dusky Flycatcher. ---On April 19 at Denver Botanic Gardens and Cheeseman Park, Rebecca Laroch reported Common Poorwill. ---On April 19 at DIA northeast, Doug Kibbe reported Rough-legged Hawk. ---On April 19 at Marston Reservoir west end Doug Kibbe reported Long-billed Curlew. DOUGLAS COUNTY: ---On April 18 at 12564 South Beaver Creek Way, Loch Kilpatrick reported Chukar. EL PASO COUNTY: ---On April 14 at Sinton Ponds OS, David Tonnessen and Jim Merritt reported LUCY’S WARBLER. On April 16, Gregg Goodrich and many other birders reported LUCY’S WARBLER at Sinton Pond OS; Bonnie Morgan reported Lark Sparrow. On April 17 at Sinton Ponds OS, Rebecca Laroche, Richard Bunn, and Dan Stringer reported LUCY’S WARBLER. On April 19 at Sinton Ponds OS, Steve Getty, John Drummond, and Alan Ketcham reported LUCY’S WARBLER. On April 20 at Sinton Ponds OS, Diana Beatty and Cheri Phillips reported LUCY’S WARBLER; Beatty also reported Orange-crowned Warbler and 3 Chipping Sparrows. ---On April 16 at Hanover Fire Station, Monday Birders reported 2 Curve-billed Thrashers. ---On April 16 at Chico Basin Ranch, Monday Birders reported 3 Curve-billed Thrashers, Ladder-backed Woodpeckers, and Lark Bunting. ---On April 17 at Fountain Creek Regional Park Nature Center/Cattail Marsh, Alan Ketcham reported Gray Catbird. ---On April 17 at Bear Creek Canyon Park, David Tonnessen reported Eastern Phoebe in section 3 parking lot. ---On April 19 at Hanover Fire Station, Joachim Bertrands reported 3 Curve-billed Thrasher. ---On April 19 at Red Rock Canyon OS, David Tonnessen reported Chimney Swift. ---On April 20 at Rampart Park in Colorado Springs, John Drummond reported Great Egret and 5 White-faced Ibis. ---On April 20 at Fountain Creek RP, Tanja Britton and Kevin Ash reported Spotted Sandpiper; Britton also reported 2 Snowy Egret. GARFIELD COUNTY: ---On April 19 at Harvey Gap SP and Grass Valley Reservoir, Sondra Lee Walling reported 2 Willet. ---On April 20 at Fravert Reservoir, Doug Gochfeld and Field Guides Grouse Tour reported 3 Virginia Rail, 2 Wilson’s Phalarope, and 4 Yellow-headed Blackbirds. GUNNISON COUNTY: ---On April 18 on CR 32C, Charles Campbell reported Ash-throated Flycatcher. JACKSON COUNTY: ---On April 19 at Walden Reservoir, Chuck Hundertmark reported pair of Greater Scaup. ---On April 18 at Colorado State Forest Moose Visitor Center, Chuck Hundertmark reported Fox Sparrow. JEFFERSON COUNTY: ---On April 16 at Deer Creek near South Valley Park southern parking lot, David Suddjian reported Eastern Phoebe. ---On April 18 at Wheat Ridge Greenbelt West Lake, Gwen Moore reported Great Crested Flycatcher. ---On April 19 at Main Reservoir in Lakewood, Myron Gerhard reported 3 Orange-crowned Warblers; Max Miller reported Orange-crowned Warbler. ---On April 19 at Belmar Park, Norm Lewis reported Greater White-fronted Goose. ---On April 19 at Bear Creek Lake Park, Matt Clark and Susan Bonfiglio reported Solitary Sandpiper. On April 20 at Bear Creek Lake Park, Myron Gerhard reported Orange-crowned Warbler. ---On April 20 at Mt Evans Wilderness, Black Mountain Drive, Jeff Lemons and Nicole Kieltzow reported Gray Jay. ---On April 20 at Harriman Lake Park, Doug Kibbe and Elaine Wagner reported 4 Greater Scaup. ---On April 20 at Standley Lake Park – North Shore, David Chernack reported Brewer’s Sparrow. KIT CARSON COUNTY: ---On April 16, Glenn Walbek reported Chestnut-collared Longspur and Northern Parula. ---On April 16 at Flagler Reservoir SWA, Christopher Burney reported Snowy Egret. LAKE COUNTY: ---On April 19 at Forebay Reservoir above Twin Lakes, Sally Waterhouse reported 16 White-faced Ibis circling above but never landing. LA PLATA COUNTY: ---On April 17 at Pastorius Reservoir, Susan Allerton and Ryan Votta reported Semipalmated Plover, Snowy Egret, 11 Least Sandpipers, and 3 Western Sandpipers. On April 18 at Pastorius Reservoir, Susan Allerton reported Semipalmated Plover, 9 Least Sandpipers, and 3 Western Sandpipers. On April 19 at Pastorius Reservoir, Amy Dobbins reported 2 Long-billed Curlew. ---On April 16 on Animas River Trail – Huck Finn Pond and Hatchery area, Ryan Votta reported House Wren. LARIMER COUNTY: ---On April 12 at 1721 Cottonwood Pt Dr in Fort Collins, Rachel Hopper reported a f ANNA’S HUMMINGBIRD coming to her feeders. Many birders were able to see this bird thanks to Rachel. On April 15 Rachel Hopper reported that the ANNA’S HUMMINGBIRD continues to visit her feeders and many birders got to see the bird. On April 16, Rachel Hopper reported seeing the ANNA’S HUMMINGBIRD around 6:48 am but she has not seen the hummer since about 8:30 am. ---On April 16 at Running Deer and Cottonwood Hollow NA, Ken Duncan reported 16 Sandhill Cranes. ---On April 16 at North Shield Pond NA, Brad Biggerstaff reported American Tree Sparrow. ---On April 20 at Grandview Cemetery, Dave Leatherman reported 5 Mountain Chickadees. MESA COUNTY: ---On April 17 at 891-937 M 8/10 Rd, Jeff Lemons and Nicole Koeltzow reported Ferruginous Hawk. ---On April 18 at Colorado National Monument Devil’s Kitchen Trail, Mike Henwood reported 2 Gray Vireo. ---On April 20 at Ela Wildlife Sanctuary, Nic Korte reported Solitary Sandpiper. MOFFAT COUNTY: ---On April 9 Dinosaur National Monument Canyon Area Visitor Center, Kenny Frisch photographed a CALIFORNIA QUAIL a first time in Colorado. On April 15 at Dinosaur National Monument Canyon Area Visitor Center, Tim Smart and Dean Shoup reported CALIFORNIA QUAIL. On April 20 at Dinosaur National Monument Canyon Area Visitor Center, Tom Litteral reported CALIFORNIA QUAIL. ---On April 17 at Good Spring Creek Lake, Andreas Winnem reported Red-breasted Merganser. MONTEZUMA COUNTY: ---On April 16 at Totten Reservoir, Eric Hendrickson reported Marbled Godwit. MONTROSE COUNTY: --- On April 12 at Otter Pond, Coen Dexter and Brenda Wright reported Red-breasted Merganser. On April 18 at Otter Pond, Doug Gochfeld reported Red-breasted Merganser. ---On April 16 at Nucla Domestic Reservoir, Coen Dexter and Brenda Wright reported Spotted Sandpiper. ---On April 18 at Nucla Sewer Lagoons, Coen Dexter and Brenda Wright reported Western Kingbird and Western Sandpiper. On April 19 at Nucla Sewer Lagoons, Brenda Wright, Kathy Mihm Dunning, and Coen Dexter reported White-faced Ibis and Black-necked Stilt. ---On April 19 at Black Canyon of Gunnison NP –South Rim Campground, Dough Gochfeld and Field Guides Grouse Tour reported 3 Dusky Grouse, 2 Broad-winged Hawks, and Dusky Flycatcher. OTERO COUNTY: ---On April 20 at Oxbow SWA, Allan Harris reported Red-naped Sapsucker. OURAY COUNTY: ---On April 19 at Ridgway Reservoir and SP, Jon Horn and Susan Chandler-Reed reported Horned Grebe. PROWERS COUNTY: ---On April 20 at Northgate, Jane Stulp reported 3 Greater White-fronted Geese, Tundra Swan, Baird’s Sandpiper, and 18 Least Sandpipers. PUEBLO COUNTY: ---On April 19 at Pueblo Reservoir over Arakansas River in west part of Osprey Picnic Area, Brandon Percival reported VAUX’S Swift, Caspian Tern, Orange-crowned Warbler, and Wilson’s Warbler. SAN MIGUEL COUNTY: ---On April 18 at Mountain Village, Doug Gochfeld and Field Guides Grouse tour reported Fox (Slate-colored) Sparrow, Gray-crowned Rosy-Finch (Hepburn’s), 2 Gray-crowned Rosy-Finch, 2 Black Rosy-Finch, 48 Brown-capped Rosy-Finch. SUMMIT COUNTY: ---On April 16 at ponds near Hwy 9 & CR 1870, Jack and Ryan Bushong reported Greater Yellowlegs. ---On April 16 at Angler Lakes, Jack and Ryan Bushong reported m Barrow’s Goldeneye. ---On April 17 at pond on Fly Line Drive in Silverthorne, Lyle Hamilton reported Clark’s Grebe. ---On April 19 at Arapahoe NF on Montezuma Rd, Pat Lueders reported 3 Chipping Sparrow. ---On April 19 at Wildernest, Lyle Hamilton reported Orange-crowned Warbler. ---On April 19 at Wildernest, Sue Riffe reported 48 Brown-capped Rosy-Finch. TELLER COUNTY: ---On April 20 at Manitou Lake, Kara Corn reported Green-tailed Towhee. WELD COUNTY: ---On April 16 on CR 106 W of CR 83, John W Cobb reported Rough-legged Hawk. ---On April 16 at Pawnee NG, Dave Leatherman reported 4 Sharp-tailed Grouse, 5 Rough-legged Hawks, Vespers Sparrows, 2 Mountain Plover, 10 Chestnut-collared Longspurs; at Crow Valley CG, Rock Wren and f Golden-crowned Kinglet. For details see his post on CoBirds. ---On April 17 at Union Reservoir, Steve Mlodinow reported Curve-billed Thrasher. ---On April 17 at Murphy Reservoir, SK Burroughs reported Lark Sparrow. ---On April 18 in Briggsdale area (40.705, -104.199), Joachim Bertrands reported 150 Chestnut-collared Longspur. ---On April 18 at Pawnee NG, CR 111 and CR 132, Nicole Koeltzow and Jeff Lemons reported 2 Sharp-tailed Grouse. ---On April 19 on CR 111 1.2 mile N of CR 128, Dan Stringer and Tom Whitten reported 2 Sharp-tailed Grouse. ---On April 19 on CR 100 1.5 miles W of Hwy 390, Dan Stringer and Tom Whitten reported Mountain Plover. ---On April 19 on dirt road heading to Briggsdale, Dan Stringer and Tom Whitten reported McCown’s Longspurs, Lark Sparrow, 3 Vesper Sparrows, and 5 Rough-legged Hawks ---On April 19 at Loloff, Dan Stringer and Tom Whitten reported White-faced Ibis, 4 Black-necked Stilts, 4 Baird’s Sandpipers, 5 Least Sandpipers, and Spotted Sandpiper. ---On April 19 at Lower Latham, Dan Stringer and Tom Whitten reported Black-necked Stilt. ---On April 19 on large pond on west side of road opposite Behrens Reservoir, Dan Stringer and Tom Whitten reported 2 Whimbrel, 10 Black-necked Stilt, and 4 White-faced Ibis. ---On April 20 on CR 114 between CR 45 and CR 47, Joe Mammoser reported 8+ Chestnut-collared Longspurs. ---On April 20 on CR 49 .5 mile S of CR 114, Joe Mammoser reported 3+ Chestnut-collared Longspurs. ---On April 20 in Pawnee NG, Ryan Graves reported Lark Bunting. DFO Field Trips: The DFO Field Trip for Saturday , April 21 will be to McCabe Meadows Trailhead led by Wendy Wibbens & Sue Summers (wibbwj AT aol.com; 303-330-1175) This trip is FULL. The DFO Field Trip for Sunday, April 22 will be to First Creek at RM Arsenal led by Patrick O’Driscoll (patodrisk AT gmail.com; 303-885-6955(cell)). The DFO Field Trip for Monday, April 23 will be to Aurora Reservoir and Cherry Creek SP 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 [email protected]. To post to this group, send email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/cobirds/CAHtstTfQ17Ww-CMbzkbG3wVpSYO-zeRNfNAgbv27ZiFmvKNL1w%40mail.gmail.com. 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