Compiler: Joyce Takamine
e-mail: RBA AT cobirds.org
Date: May 1, 2017
This is the Rare Bird Alert for Monday, May 1 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 changes.
Mute Swan (*Weld)
Trumpeter Swan (Archuleta, Routt)
Surf Scoter (Jackson)
Barrow's Goldeneye (*Eagle, Montrose, Pitkin)
Greater Sage-Grouse (*Jackson)
Sharp-tailed Grouse (Weld)
Chimney Swift ( Boulder, El Paso)
Black Rail (Bent)
Black-bellied Plover (Bent, *Crowley , Kiowa)
Snowy Plover (Crowley,* Kiowa)
Semipalmated Plover (Crowley, El Paso, *Kiowa, La Plata, Larimer,* Weld)
Mountain Plover (*Weld)
Upland Sandpiper (*Weld)
Whimbrel (El Paso, Jefferson, Larimer, * Weld)
Long-billed Curlew ( Jefferson, La Plata, Larimer, *Weld)
Ruddy Turnstone (*Weld)
Stilt Sandpiper (*Kiowa, *Weld)
Sanderling (Boulder,*Douglas, El Paso, Kiowa, Mesa, *Weld)
Pectoral Sandpiper (Crowley)
Semipalmated Sandpiper (Crowley, *Douglas, El Paso, Fremont, *Jackson, Jefferson, Kiowa, La Plata,*Larimer, * Weld)
Short-billed Dowitcher (El Paso, Larimer, Weld)
Solitary Sandpiper (*Boulder, *Denver, Jefferson, Weld)
BROWN PELICAN (*Mesa)
Green Heron (*Boulder, Jefferson, Pueblo)
Glossy Ibis (*Logan, *Mesa, Weld)
Mississippi Kite (Denver)
Broad-winged Hawk (Bent, Fremont, Douglas, *Jefferson, *Weld)
Laughing Gull (Weld)
Thayer's Gull (Larimer)
Lesser Black-backed Gull (Larimer)
GLAUCOUS-WINGED GULL (*Larimer, Weld)
Caspian Tern (*Larimer, Fremont, *Mesa, *Weld)
ACORN WOODPECKER (*Montrose)
Williamson's Sapsucker (Pueblo)
American three-toed Woodpecker (Gunnison)
Least Flycatcher (Douglas)
Gray Flycatcher ( Fremont, *Jefferson, Larimer, Mesa)
Black Phoebe (*Boulder, * Fremont, Garfield, Rio Blanco)
Eastern Phoebe (Arapahoe, Boulder, Douglas, *El Paso, *Fremont, Jefferson)
White-eyed Vireo (*Morgan, *Weld)
Gray Vireo (*Adams)
Winter Wren (Bent)
Caroline Wren (Pueblo)
BLACK-TAILED GNATCATCHER (Mesa)
Curve-billed Thrasher (Bent)
Lapland Longspur (Jackson, Weld)
Chestnut-collared Longspur (Weld)
McCown's Longspur (Larimer, Weld)
Northern Waterthrush (*Pueblo)
Worm-eating Warbler (*Bent)
Black-and-white Warbler (Boulder)
Nashville Warbler (Denver, El Paso, Jefferson)
Northern Parula (*Arapahoe, Boulder)
Palm Warbler (Jefferson)
Yellow-throated Warbler (Pueblo)
Black-throated Gray Warbler (*Boulder, Jefferson)
Brewer's Sparrow (Boulder)
Black-throated Sparrow (*Gunnison)
Grasshopper Sparrow (Weld)
Fox Sparrow (Boulder)
Northern Cardinal ( *Prowers)
Dickcissel (*Prowers)
Rusty Blackbird (*Pueblo)
ADAMS COUNTY:
---On April 30 at Rocky Mountain Arsenal NWR Denver Wildlife Drive, Yvonne Parrot reported Gray Vireo.
ARAPAHOE COUNTY:
---On April 26 at Cherry Creek SP East Boat Ramp, a Northern Parula was reported by Rebecca Laroche, Cheri Phillips, Cheryl Teuton and Dan Brooke. On April 27 at Cherry Creek SP East Boat Ramp, Cynthia Madsen, Karen Drozda, Loch Kilpatrick, and Benn Sampson reported Northern Parula. On April 28 at Cherry Creek SP East Boat Ramp, Northern Parula was reported by Meg Reck and many other birders and Ajit and Liza Anthony reported Eastern Phoebe. On April 30 at Cherry Creek SP, Northern Parula was reported by Cindy Bouldin and several other birders.
ARCHULETA COUNTY:
---On April 28 at Pagosa Lake, Brook Nelson reported Trumpeter Swan.
BENT COUNTY:
---On April 25 at Tempel Grove on CR 35, Dave Leatherman reported 2 Broad-winged Hawks (1 a, 1imm).
---On April 26 at Fort Lyon, Weston Smith reported 2 Black rail, 3 Curve-billed Thrashers, and Winter Wren.
---On April 27 and April 28 at Tempel Grove, Duane Nelson reported Worm-eating Warbler. On April 28, Dave Leatherman reported Worm-eating Warbler at Tempel Grove.
---On April 29 on Hwy 50 east of Lake Hasty, David Ely reported a flyover Black-bellied Plover.
BOULDER COUNTY:
---On April 25 at Boulder Creek and 75th St, Mike Hensley and Rebecca Grieser reported Black and Eastern Phoebe. On April 26 Randy Siebert reported Black and Eastern Phoebe at Boulder Creek and 75th St. On April 27 at Boulder Creek at 75th St, Mike Patterson reported Black and Eastern Phoebe. On April 30 at Boulder Creek at 75th St, Frankie Toan reported Black Phoebe.
---On April 27 at Walden/Sawhill Ponds in Boulder, Luke Pheneger and Nick Moore reported 3 Solitary Sandpipers, Eastern Phoebe. On April 27 at Walden Ponds, Luke Pheneger reported Solitary Sandpiper, Northern Parula, Slate-colored Fox Sparrow and f Black-and-white Warbler. On April 30 at Walden Ponds, Peter Burke reported 3 Solitary Sandpipers.
---On April 28 at CU East Campus, Peter Gent reported 2 Black-throated Gray Warblers at Boulder Creek and Chimney Swift. On April 29 at CU East Campus, Laura Steadman reported Black-throated Gray Warbler and Mark Minner-Lee reported m Tennessee Warbler. On April 30, Jeff Parks reported that the Black-throated Gray Warbler was still present and a Green Heron was in ponds close to Foothills Hwy.
On April 30, Dave Leatherman reported Black-throated Gray Warbler on CU East Campus.
---On April 28 at Lagerman Reservoir, Peter Gent reported Sandering.
CROWLEY COUNTY:
---On April 30 at Lake Meredith (left of main road) Peg Rooney reported Black-bellied Plover.
DENVER COUNTY:
---On April 26, Chris Goulart reported a pair of Mississippi Kites at end of Delgany by Cherry Creek.
---On April 27 at Rocky Mountain Lake Park, Gabriel Wiltse reported Nashville Warbler.
---On April 30 at First Creek at Denver OS, John Breitsch reported on his DFO Field Trip that they had 4 Solitary Sandpipers.
DOUGLAS COUNTY:
---On April 27 at Chatfield SP downstream of Kingfisher Bridge, Loch Kilpatrick reported Broad-winged Hawk and Least Flycatcher.
---On April 29 at Chatfield SP Marina Sandspit, Loch Kilpatrick and Dean Shoup reported Semipalmated Sandpiper. On April 29 at Plum Creek Delta, Bob Anderson reported 3 Semipalmated Sandpipers. On April 30 at Chatfiled Sp Marina Sandplit, Thomas Holub, Kevin DeBoer, Doug Kibbe, and Mackenzie Goldthwait reported 2 Semipalmated Sandpipers and Renee Casias reported 2 Sanderlings.
EAGLE COUNTY:
---On April 30 at Spring Park Reservoir, Dick Filby reported around 10 Barrow's Goldeneyes.
EL PASO COUNTY:
--- On April 26 at Ramah SWA, Cindy Bouldin reported Sanderling and David Tonnessen, Joy and Leonard Lake reported Semipalmated Plover, Whimbrel, and Sanderling. On April 28 at Ramah SWA, Karen Goetz and Matt Clark reported Sandering, Semipalmated Sandpiper, and 2 Short-billed Dowitchers.
---On April 26 at Sondermann Park, Linda Hodge reported Nashville Warbler after first bridge.
---On April 26 at Memorial Park and Prospect Lake, Dale Adams reported 6 Chimney Swift. On April 27, 2 Chimney Swifts were reported by David and Cheryl Hubbard at Memorial Park and Prospect Lake. On April 28 at Memorial Park and Prospect Lake, Dale Adams reported Chimney Swift.
---On April 30 at Chico Basin Ranch wooded areas, Renee Casias reported Eastern Phoebe.
FREMONT COUNTY:
---On April 29 at Holcim Wetlands (private property, view from hwy), Brandon Percival and Kara Carragher reported 11 Semipalmated Sandpipers.
---On April 29 at Blue Heron Ponds on Hwy 115, Brandon Percival and Kara Carragher reported Caspian Tern.
---On April 29 at Lakeside Cemetery in Canon City, Brandon Percival and Kara Carragher reported 4 Gray Flycatchers.
---On April 29 on Canon City Riverwalk between Sells Lake and Raynolds Ave, Brandon Percival and Kara Carragher reported 4 Broad-winged Hawks, 18 Gray Flycatchers, 3 Black Phoebe, and 2 Eastern Phoebe.
---On April 30 at Florence River Park, SeEtta Moss reported Eastern and apparent Black Phoebe.
---On April 30 at river by Tunnel Driver Parking Area, SeEtta Moss reported pair of Eastern Phoebe.
GARFIELD COUNTY:
---On April 28 in Carbondale by Crystal River just downstream of Fish Hatchery, Dick Filby reported 2 Black Phoebe.
GUNNISON COUNTY:
---On April 30, Tom Behnfield reported Black-throated Sparrow on Hwy 50 outside of Gunnison.
JACKSON COUNTY:
---On April 28 at Walden Reservoir, Christian Nunes reported young male Surf Scoter.
---On April 30 at Seymour Lake SWA, Sue Riffe reported Greater Sage-Grouse and 8 Semipalmated Sandpipers.
JEFFERSON COUNTY:
---On April 30 at Harriman Lake Park, Riley Morris reported Gray Flycatcher.
---On April 25 at Deer creek at Valley Road, David Suddjian reported a pair of Eastern Phoebe.
---On April 25near Buckhorn Road bridge about .3 miles downstream from Valley Road, David Suddjian reported pair of Eastern Phoebe.
---On April 25 in Willow Creek Park near Chatfield Ave downstream of Garrison St, David Suddjian reported Eastern Phoebe.
---On April 25 at Masey Draw at Dakota Hogback close to culvert un C470, David Suddjian reported Eastern Phoebe.
---On Apri l 25 at Bear Creek Lake Park Big Soda Lakes N trail, Bruce Cyganowski, Phil Lyon, and Frank Farrell reported Black-throated Gray Warbler. On April 26 at Bear Creek Lake Park Big Soda Lakes N trail, Matt Clark, Susan Bonfiglio, Phil Lyon and Tom Behnfield reported Black-throated Gray Warbler.
---On April 25 at White Deer Valley Cougar Road, David Suddjian reported 2 Eastern Phoebe and Nashville Warbler.
---On April 26, David Suddjian reported ad Broad-winged Hawk flew over St Mary Church at South Prince St in Littleton.
---On April 28 at Harriman Lake Park, Patrick O'Driscoll, Mike Henwood, and Rebecca Laroche reported Western Palm Warbler and Least Flycatcher.
---On April 29 at Chatfield Swim Beach, David Suddjian reported Whimbrel flying North and 2 Semipalmated Sandpipers.
---On April 30 at Dinosaur Ridge Hawk Watch, Mike Ferandez reported 2 Broad-winged Hawks.
KIOWA COUNTY:
---On April 25 at Nee Noshe Reservoir, Dave Leatherman reported 3 Sanderling, Long-billed Curlew, 150 Semipalmated Sandpipers, 5 Semipalmated Plovers, and 2 Snowy Plovers. On April 28 at Nee Noshe Reservoir, Dave Leatherman reported Semipalmated Plover, 3 Snowy Plovers, and basic plumaged Stilt Sandpiper.
---On April 28 at Kiowa Creek at CR 40, Anne Casella reported 6 Snowy Plover, 2 Semipalmated Plovers, and 2 Stilt Sandpipers.
LA PLATA COUNTY:
---On April 25 at Pastorius Reservoir, Jason St Pierre and Susan Allerton reported Semipalmated Plover. On April 25 at Pastorius Reservoir, Amy Dobins reported Semipalmated Plover and 5 Long-billed Curlews. On April 26 at Pastorius Reservoir, Susan Allerton reported Semi palmated Plover. On April 27 at Pastorius Reservoir, Susan Allerton reported Semipalmated Plover and Long-billed Curlew. On April 29 at Pastorius Reservoir, Steve Smith reported Semipalmated Plover.
LARIMER COUNTY:
---On April 25 at Horsehsoe Reservoir, Nick Komar and David Wade reported Whimbrel and 1-st cyc Lesser Black-backed Gull. On April 26 at Horsehsoe Reservoir, Nick Komar reported 2-nd cyc Lesser Black-backed Gull and Caspian Tern.
---On April 28 at Lee Martinez Park, Rob Sparks reported Gray Flycatcher.
---On April 29 on E CR 60 W of N CR 3, Nick Komar, Georgia Doyle, and David Wade reported Semipalmated Plover, 25 Semipalmated Sandpipers and they heard a McCown's Longspur.
---On April 29 at Boyd Lake, Austin Hess and Nick Komar reported 10 Short-billed Dowitchers, 5 Whimbrel, and 2 Long-billed Curlew.
---On April 29 at Horseshoe Reservoir, Austin Hess and Nick Komar reported 3 Caspian Terns and Anne Casella reported Thayer's Gull, Lesser Black-backed Gull, and 4 Caspian Terns.
---On April 30 at Horseshoe Reservoir, Austin Hess and Nick Komar reported imm GLAUCOUS-WINGED GULL and Caspian Tern.
LOGAN COUNTY:
---On April 30 at Rd Lion SWA, Austin Hess reported Glossy Ibis.
MESA COUNTY:
--- On April 30 at Highline Lake SP, David Price reported Glossy Ibis.
---On April 25 at Corn Lake, Susan Longest reported BROWN PELICAN. On April 26, Dave and Diane Trappet t and many other birders reported BROWN PELICAN at Corn Lake. On April 27, David Chartier and several other birders reported BROWN PELICAN at Corn Lake. On April 28, near Corn Lake, Jason St. Pierre reported Brown Pelican soaring west of the lake and later in the day Denise and Mark Vollmar reported that the Brown Pelican returned to Corn Lake. On April 29, Kathleen McGinley reported BROWN PELICAN in the afternoon at east end of lake at Colorado River Wildlife Area of James Robb SP (south of D Rd at 30 Rd). She later saw it circling Corn Lake before it flew off to the west.
---On April 27 at Highline Reservoir, Coen Dexter reported Sandering and Gray Flycatcher.
---On April 27 at Coal Canyon Little Bookcliffs Wild Horse Area, Clinton Nienhaus reported 3 possible BLACK-TAILED GNATCATCHERS. If documented and accepted this would be a new state bird.
---On April 28 at Highline Lake SP, David Price and Carol Ortenzio reported 8 Sanderling and 8 Caspian Terns.
---On April 30 on O Road Pond, David Price reported 5 Caspian Tern.
MONTROSE COUNTY:
---On April 26 at Black Canyon Crystal Dam, Betty Fenton reported Barrow's Goldeneye.
---On April 30 Missy Siders reported that she has seen ACORN WOODPECKERS at Cerise Park, Shane's Way in Montrose recently. These birds need to be documented since Acorn Woodpecker is not on
The Montrose County list.
MORGAN COUNTY:
---On April 30 at Jackson Lake SP, Chuck Hundertmark reported on his DFO Field Trip a White-eyed Vireo.
PITKIN COUNTY:
---On April 28 at Spring Park Reservoir in El Jebel, Dick Filby reported 14 Barrow's Goldeneyes.
PROWERS COUNTY:
---On April 30 at Two Buttes SWA Division of Wildlife bunkhouse area, Trevon Mosley reported Dickcissel.
---On April 29 at Lamar Community College Woods, Dave Leatherman reported Northern Cardinals.
PUEBLO COUNTY:
---On April 26 at Mineral Palace Park, Van Truan reported Yellow-throated Warbler in SW corner. On April 28 at Mineral Palace Park, Leon Bright reported Yellow-throated Warbler.
---On April 25, Brandon Percival reported singing Carolina Wren, 6 Black Poebe along Arkansas River East of Pueblo Blvd.
---On April 25 at Pueblo City Park, Brandon Percival reported Green Heron.
---On April 30 at Chico Basin Ranch headquarters (fee area), Renee Casias reported Northern Waterthrush.
---On April 30 on I-25 north of Pueblo, Irene Fortune reported a disoriented Rusty Blackbird wandering around near gas station pumps.
RIO BLANCO COUNTY:
---On April 25 at Circle Park in Meeker, Jan Leonard reported Black Phoebe.
ROUTT COUNTY:
---On April 28 at Stagecoach SP, Lisa Edwards and Chris Owens reported imm Trumpeter Swan. On April 28 at Stagecoach Reservoir, Sue Riffe reported Trumpeter Swan.
WELD COUNTY:
---On April 25 at Stewart's Pond, Steve Mlodinow reported Mute Swan and Short-billed Dowitcher. On April 27 at Stewart's Pond, Gene Rutherford reported 2 Short-billed Dowitchers and Solitary Sandpiper. On April 29 at Stewart's Pond, Gene Rutherford reported 2 Short-billed Dowitchers.
On April 30 at Stewart's Pond, Amy Davis and many other birders reported Ruddy Turnstone, Caspian Tern, Mute Swan, Sanderling, Stilt Sandpiper, Short-billed Dowitcher, and 3 Semipalmated Sandpipers.
---On April 26 at CR 59 Pond, Rebecca Grieser reported Glossy Ibis.
---On April 27 at Union Reservoir, Steve Mlodinow, Luke Pheneger, and Maikel Wise reported 2 Sanderling, and 4 Semipalmated Sandpipers. On April 28 at Union Reservoir, Steve Mlodinow reported 10 Semipalmated Plovers, 2 Sandering, and Caspian Tern.
---On April 28 at Lower Reservoir on CR 48, Tom and Mary France reported 10-12 Whimbrel.
---On April 28 at CR 136 east of CR 99, Gene Rutherford reported 2 Grasshopper Sparrows.
---On April 28 at CR 99 between CR 130 and CR 132, Gene Rutherford reported Sharp-tailed Grouse and Grasshopper Sparrow.
---On April 28 at Pawnee NG Murphy's Pasture area and auto tour stopes 2 and 3, Robert Beauchamp reported Grasshopper Sparrow.
---On April 28 at CR 86 and CR 105, John Kvarnback reported Chest-collared Longspur, 50 McCown's Longspur and Grasshopper Sparrow.
---On April 29 at Union Reservoir, a GLAUCOUS-WINGED GULL was reported by Gene Rutherford and Steve Mlodinow. Mlodinow also reported 2 Semipalmated Plovers and 2 Semipalmated Sandpipers.
---On April 28 at Crom Lake (just south of CR90 off of CR 31), Josh Bruening reported Semipalmated Sandpiper and 2 Solitary Sandpipers.
---On April 29 at CR 79 and CR 14, Josh Brueing reported 2 Mountain Plovers.
---On April 29 on CR 96, Josh Bruening reported 6 McCown's Longspurs.
---On April 28 on CR 69, Josh Bruening reported 3 m Chestnut-collared Longspurs.
---On April 30 at Union Reservoir on north Side near intersection with CR 3, Peter Gent reported 2 Whimbrel.
---On April 30 at Wetland on CR 46, Amy Davis reported Semipalmated Plover, Long-billed Curlew, Ruddy Turnstone, and 4 Semipalmated Sandpipers and Susan Wise and Luke Pheneger reported Short-billed Dowitcher.
---On April 30 at Eaton Cemetery, Joey Kellner et al reported White-eyed Vireo.
---On April 30 at Mountain Plover Spot, Austin Hess and Nick Komar reported 2 Mountain Plover and Upland Sandpiper.
---On April 30 near Greely on US 85, Joey Kellner et al reported Broad-winged Hawk.
Denver Field Ornithologists Field Trips:
The DFO Field Trip for Friday, May 5 will be to Cherry Creek State Park led by Bill Wuerthele (wuerthel AT ecentral.com; 303-333-2519). Meet at 0800 at west marina parking lot. State Parks Pass or day pass required.
Look for gulls, waterfowl, and a variety of birds. Will carpool to various stops and walk 1-2 miles. Bring binoculars, water, snacks, sunscreen, and bug repellent. Scopes are useful. Please register online or contact the leader.
The DFO Field Trip for Saturday, May 6 will be to Prospect Park (Wheat Ridge Greenbelt) led by Jackie King (jackie.king AT ccd.edu; 720-381-3314). From I-70 exit 267, take Kipling south about ¾ mile and turn right (west) on 44th Ave. Go one mile west. Look for the entrance to Prospect Park on your left (South). Meet at 0800 just inside the park in the lot right next to Prospect Lake.
This is a trip with easy walking and accessible for mobility impaired individuals. Bring water and a snack; Lunch optional. Register online or contact leader.
The DFO Field Trip for Sunday, May 7 will be to Apex Park-lower East Entrance led by John Breitsch (jbreitsch At Hotmail.com; 303-588-0552). This trip is full.
Good Birding,
Joyce Takamine
Boulder
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