Date: 4/30/18 3:16 am
From: Joyce Takamine <jabirujt...>
Subject: [cobirds] Colorado Rare Bird Alert, 30 April 2018
Compiler: Joyce Takamine
Date: April 30, 2018
e-mail: RBA AT

This is the Rare Bird Alert for Monday, April 30 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)
Ross’s Goose (Jackson)
Greater White-fronted Goose (Jackson,*Jefferson, Prowers, Rio Grande)
Tundra Swan (Garfield, Prowers)
Greater Scaup (Jackson, Montrose, Weld)
Red-breasted Mergaser (Kiowa, Rio Blanco)
Greater Sage-Grouse (Jackson)
Sharp-tailed Grouse (*Weld)
White-winged Dove (Boulder)
Greater Roadrunner (El Paso)
Chimney Swift (*Arapahoe)
White-throated Swift (Pueblo)
Virginia Rail (Chaffee)
Sora (Jackson)
Sandhill Crane (Kiowa)
Black-bellied Plover (*Kiowa)
Snowy Plover (*Kiowa)
Semipalmated Plover (Jackson, Kiowa)
Piping Plover (Kiowa)
Mountain Plover (*Lincoln)
Whimbrel (Delta, Prowers, Weld)
Marbled Godwit (Jackson, *Kiowa)
RUFF (Kiowa)
Stilt Sandpiper (Weld)
Dunlin (Kiowa)
Least Sandpiper (Kit Carson)
Pectoral Sandpiper (*Kiowa, Kit Carson)
Semipalmated Sandpiper (Kit Carson)
Long-billed Dowitcher (Kiowa, Weld)
Wilson’s Snipe (Ouray)
Willet (Jackson, Weld)
Wilson’s Phalarope (Kit Carson)
Red-necked Phalarope (Weld)
Caspian Tern (*Weld)
Common Tern (*Weld)
Forster’s Tern (Adams, Jackson)
Red-throated Loon (Kiowa)
American White Pelican (Douglas)
Great Egret (*Denver)
Snowy Egret (Jackson, Rio Blanco)
Cattle Egret (*Jefferson, Kiowa, Mesa)
Green Heron (*Mesa)
Glossy Ibis (*Boulder, *El Paso, *Fremont, Jackson, Pueblo, *Weld)
White-faced Ibis (Weld)
Turkey Vulture (Douglas)
Northern Goshawk (Larimer)
Broad-winged Hawk (*Boulder, *Jefferson, Washington)
Rough-legged Hawk (Jackson, Kit Carson, Lincoln)
Acorn Woodpecker (La Plata)
Red-bellied Woodpecker (Bent)
Ladder-backed Woodpecker (*El Paso)
Hairy Woodpecker (Weld)
Western Wood-Pewee (*Mesa)
Gray Flycatcher (Boulder, Kit Carson)
Dusky Flycatcher (Dolores, Montrose, *Prowers)
Black Phoebe (*Montrose, *Pueblo)
Eastern Phoebe (*Boulder, Jefferson, Kiowa)
Vermilion Flycatcher (Larimer)
Ash-throated Flycatcher (*Mesa)
Cassin’s Kingbird (*La Plata, Larimer)
Gray Vireo (*Montrose)
Cassin’s Vireo (Bent, Denver)
Western Kingbird (Delta)
White-eyed Vireo (*Prowers)
Plumbeous Vireo (*Adams, *El Paso, *Mesa)
Chihuahuan Raven (*Kiowa)
Violet-green Swallow (Jefferson, Weld)
Northern Rough-winged Swallow (Moffat)
Cliff Swallow (Moffat)
Carolina Wren (Kiowa)
Blue-gray Gnatcatcher (Kiowa, Kit Carson)
Eastern Bluebird (El Paso, *Fremont)
Gray Catbird (Boulder)
Curve-billed Thrasher (*El Paso, Kiowa)
Sage Thrasher (Jackson)
Northern Mockingbird (Broomfield, El Paso)
American Pipit (Baca, Jackson, Kiowa)
Red Crossbill (Arapahoe)
Chestnut-collared Longspur (*Weld)
McCown’s Longspur (*Weld)
Green-tailed Towhee (*Boulder, Rio Grande)
Chipping Sparrow (Logan, Montezuma)
Lark Sparrow (*Boulder, El Paso)
Black-throated Sparrow (*Mesa)
Grasshopper Sparrow (*Weld)
Field Sparrow (Bent, *Kiowa, Kit Carson, *Prowers)
Sagebrush Sparrow (Boulder)
White-throated Sparrow (*El Paso)
Harris’s Sparrow (*Denver, El Paso)
Yellow-breasted Chat (*Montrose)
Bullock’s Oriole (Bent, Boulder, *Denver, Montezuma)
Brown-headed Cowbird (Kit Carson, Yuma)
Northern Waterthrush (*El Paso)
Orange-crowned Warbler (Gunnison, Kiowa, Kit Carson)
Nashville Warbler (*Arapahoe, *Lincoln, *Prowers)
Virginia’s Warbler (*Boulder, Delta, *Larimer)
Common Yellowthroat (Adams)
Hooded Warbler (*Broomfield)
American Redstart (*Jefferson)
Northern Parula (Kiowa)
Yelllow Warbler (Delta, Larimer)
Palm Warbler (*Bent)
Yellow-throated Warbler (Pueblo)
Grace’s Warbler (Dolores, Jefferson, Montezuma)
Black-throated Gray Warbler (El Paso)
Summer Tanager (*Larimer, *Lincoln)
Northern Cardinal (*Prowers)
Rose-breasted Grosbeak (*Prowers)
Lazuli Bunting (*Boulder, Douglas, Larimer, *Lincoln, *Mesa, *Montrose,

---On April 28 at Rocky Mountain Arsenal Lake Ladora, Riley Morris reported
Common Yellowthroat.
---On April 29 at Barr Lake SP East Side, Bez Bezuidenhout reported
Plumbeous Vireo.
---On April 28 at St Mary Church in Littleton, David Suddjian reported 3
Chimney Swift and Nashville Warbler.

---On April 27 on Big Dry Creek Trail from S Colorado Blvd to S Univ Blvd,
Shannon Stauffer reported too many Red Crossbills to count.

---On April 27 at Walsh Water Treatment Plant, Tony Leukering reported 2
American Pipit (alticola) and 3 American Pipit (rubescen/pacificus)

---On April 29 at Melody Tempel Grove, Matt Clark et al reported Palm
Warbler (Yellow).

---On April 28 at Boulder Creek and 75th St, Chuck Hundertmark and DFO
Field trip reported pair of Eastern Phoebe.
---On April 28 at Golden Ponds Park and NA, Luke Pheneger reported Eastern
Phoebe. On April 29 at Golden Ponds Park and NA, Sarah Spotten and Scott
Severs reported Eastern Phoebe; Severs also reported 3 Broad-winged Hawks.
---On April 27 at Walden/Sawhill, Chuck Hundertmark reported Broad-winged
Hawk perched on Sawhill side.
---On April 29 at Waneka Lake/Greenlee Preserve, Ted Floyd and many other
birders reported Glossy Ibis.
---On April 27 at CU Boulder East Campus, Peter Burke reported Bullock’s
---On April 27 on Sam’s Lane (South Boulder Creek S of US 36), Christian
Nunes reported Eastern Phoebe.
---On April 28 at Twin Lakes, Dan Zmolek and Leslie S reported White-winged
Dove and Gray Flycatcher.
---On April 29 on South Mesa Trail, Tracy and Luke Pheneger reported
Virginia’s Warbler and Green-tailed Towhee.
---On April 29 at City of Boulder, Open Space and Mountain Parks Cherryvale
Office, Christian Nunes reported Lark Sparrow.
---On April 29 at Hall Ranch South, Steve Mlodinow reported Lazuli Bunting
and Green-tailed Towhee.

---On April 29, Sandy Arnesen reported a Hooded Warbler has been visiting
her water feature. If you would like to see it, contact Sandy at
sandy.arnesen.SA AT or call 303-941-5481.

---On April 27 at Fruitgrowers Reservoir North Road causeway, Sue Riffe
reported 12 Whimbrel.
---On April 28 on 265 Rd east of Paonia, Dennis Garrison reported Yellow
Warbler, Virginia’s Warbler, and Western Kingbird.

---On April 28 at First Creek at DEN OS, John Breitsch and Judith Henderson
reported Harris’s Sparrow. On April 29 at First Creek at DEN OS, Charlies
Chase reported Bullock’s Oriole.
---On April 27 at Rocky Mountain Lake Park, Sunny Bradfield reported Great
Egret. On April 28 at Rocky Mountain Lake Park, Eric DeFonso and Gabriel
Wiltse reported Great Egret. On April 28 at Rocky Mountain Lake Park, Gwen
Moore, James McCall, and Judith Henderson reported Great Egret.
---On April 27 at Bear Creek Park, Doug Kibbe and Elaine Wagner reported
Cassin’s Vireo.
---On Apri 29 at Westerly Creek Park, Jason Bidgood reported Harris’s

---On April 28 on San Juan NF FR 504, Susan Allerton reported 3 Dusky
Flycatchers and 5 Grace’s Warblers.

---On April 28 at Chatfield SP, Joey Kellner et al reported soaring
---On April 29 at Roxborough SP, David Chernak reported Lazuli Bunting.

---On April 27 at Chico Basin Ranch, Bill Maynard, Tanja Britton, and Jim
Merritt reported Ladder-backed Woodpecker and Northern Mockingbird. On
April 28 at Chico Basin Ranch, John Drummond reported Ladder-backed
Woodpecker, 2 Curve-billed Thrashers, and 3 Northern Mockingbirds. On
April 29 at Chico Basin Ranch wooded areas, Kiki Widjaja reported 2
Ladder-backed Woodpeckers.
---On April 28 at Red Rock Canyon OS, Jim Merritt reported Harris’s
Sparrow, and White-throated Sparrow. On April 29 at Red Rock Canyon OS,
Jim Merritt reported White-throated Sparrow.
---On April 27 in Eastern El Paso on farm just north of Edison School,
Susan Craig reported Greater Roadrunner which moved to the school.
---On April 27 at Venetucci Farm, David Rubin reported 2 Black-throated
Gray Warblers and Harris’s Sparrow.
---On April 28 at Ramah Reservoir SWA, Alan Ketcham reported Eastern
---On April 28 on S Meridian Road --- Hanover Road to Pueblo County Line,
Tim Leppek reported Ladder-backed Woodpecker.
---On April 28 on Kane Road in Fountain, Jim Merritt, Aaron and Pati
Driscoll reported Glossy Ibis. On April 18 on Kane Road, Robb Hinds, Alan
Ketcham, Joy and Leonard Lake reported Glossy Ibis.
---On April 29 on Hanover Road, Kiki Widjaja reported Curve-billed Thrasher
and Ladder-backed Woodpecker.
---On April 29 at Rock Ledge Ranch, Dolf Hall reported Northern Waterthrush.
---On April 29 at Aiken canyon Preserve, Tanja Britton reported Plumbeous

---On April 28 in flooded fields outside Florence, SeEtta Moss reported
probable Glossy Ibis.
---On April 29 in Florence (town), Dale and Joel Adams reported Glossy Ibis
and Eastern Bluebird.

---On April 27 at Lions Park in Rifle, Tom McConnell reported Tundra Swan.

---On April 28 at Waunita Hot Springs Lek, Nick Komar et al reported
Orange-crowned Warbler.

---On April 27 at Walden Reservoir on SE side Nick Komar reported Glossy
Ibis. On April 28 at Walden Reservoir, Steve Mlodinow, Doug Kibbe, and
Mackenzie Goldthwait reported Ross’s Gull, Greater White-fronted Goose,
Greater Scaup, 3 Snowy Egrets, 10 Willets, 2 Marbled Godwits, and 2
Forster’s Terns.
---On April 27 on Hwy 14 (40.4104. -106.54211), Nick Komar reported
Rough-legged Hawk.
---On April 28 at MacFarlane Reservoir, Steve Mlodinow reported pair of
Greater Scaup, 2 Sage Thrashers, and 13 American Pipits.
---On April 28 at Arapaho NWR Auto Loop, Steve Mlodinow reported 2 Greater
Sage-Grouse, 2 Sora, Semipalmated Plover, and 9 Marbled Godwits.

---On April 27 at Dinosaur Ridge, Debbie James reported Broad-winged Hawk.
On April 28 at Dinosaur Ridge, Mitchell Blystone reported 7 Broad-winged
---On April 27 at Main Reservoir in Lakewood, Kevin DeBoer reported
Townsend’s Warbler.
---On April 27 at North Arvada Middle School, Ginny Bergstrom reported 5
Cattle Egret feeding in grass. On April 28 at North Arvada Middle School,
Penney Martinez, Shannon Cwik, Cathy Fennelly, and Phil Lyon reported 15
Cattle Egret. On April 29 at North Arvada Middle School, Gabriel Wiltse
reported Cattle Egret.
---On April 29 at Belmar Park, Shannon Cwik and Penny Martinez reported
Greater White-fronted Goose.
---On April 29 at 12478 – 12508 S. Platte River road, Melissa Greulich
reported singing m American Redstart.

---On April 27 at Neenoshe Reservoir, David Tonnessen reported 17 Sandhill
Cranes, Red-throated Loon, 14 Red-breasted Mergansers, HUDSONIAN GODWIT,
Curve-billed Thrasher, Carolina Wren, Cattle Egret, 8 Snowy Plover, Piping
Plover, 27 Marbled Godwit, 5 Blue-gray Gnatcatchers. On April 28 at
Neenoshe Reservoir, Brandon Percival, Dave Leatherman and Janeal Thompson
reported Field Sparrow and Piping Plover. On April 28 at Neenoshe
Reservoir, Matt Clark et al reported 3 Snowy Plover, 47 Mabled Godwit, 2
Chihuahuan Ravens, and 3 Field Sparrows
---On April 27 at Upper Queens/Neeskah Reservoir, David Tonnessen reported
Black-bellied Plover, 4 Snowy Plovers, 4 Marbled Godwits, Chihuahuan Raven,
2 Blue-gray Gnatcatcher, Northern Parula, and Field Sparrow. Late in day
on April 27, at Upper Queens, David Dowell reported f RUFF on N shore,
Eastern Phoebe, 5 Blue-gray Gnatcatchers, and Northern Parula. On April 28
at Upper Queens/Neeskah Reservoir, Brandon Percival, Dave Leatherman, and
Janeal Thompson reported Black-bellied Plover, 5 Snowy Plover, 3
Semipalmated Plover, 12 Marbled Godwits, Dunlin, 25 Long-billed Dowitchers,
Orange-crowned Warbler, and Northern Parula. On April 29 at Upper
Queens/Neeskah Reservoir, Matt Clark et al reported Black-bellied Plover
and 2 Pectoral Sandpipers.

---On April 27 on US 385 S of I-70, Kevin Pykstra reported 1st year
Rough-legged Hawk.
---On April 28 at Flager Reservoir SWA, Adam Vesely and Christine Alexander
reported Pectoral Sandpiper, Field Sparrow, and Orange-crowned Warbler.

---On April 29 on CR 136 between CR 141 and CR 128, Ryan Votta reported
Cassin’s Kingbird.

---On April 27 at Cattail Chorus NA, Adams Johnson, David Wade, John
Shenot, and Georgia Doyle reported m Vermilion Flycatcher. On April 28 at
Cattail Chorus NA, Nick Komar and Walter Wehtje reported Cassin’s Kingbird.
---On April 28 at Lory State Park, Francis Commercon reported 2 Virginia’s
Warblers. On April 29 at Lory SP, Gerogia Doyle reported 2 Virginia’s
---On April 28 at Loveland Recycle Center Pond, James Kohn reported Yellow
---On April 28 at Hewlett Gulch, Adrian Monroe reported Lazuli Bunting.
---On April 29 at CSU Environmental Learning Center, Lori Zabel reported f
Summer Tanager.

---On April 28 on Hwy 71 N of Limon, John and Sue Ewan reported
Rough-legged Hawk.
---On April 29 near Arriba on CR 41 S of CR 3F, John Vanderpoel, Carl
Winstead, Leslie Sours, and Sally Waterhouse reported 10 Mountain Plover,
1st year male Summer Tanager and Lazuli Bunting.
---On April 29 at Karval Lake SWA, Janet Anderson-Ray reported Nashville

---On April 27 at Clifton Nature Park, Ryan Claar reported Cattle Egret.
---On April 27 at Horsethief Canyon SWA, David Price reported 2 Plumbeous
Vireos. On April 29 at Horsethief Canyon SWA, Carol Ortenzio reported
Western Wood-Pewee and Lazuli Bunting.
---On April 28 on Colorado River Trail – Audubon Section, Mike Henwood
reported Plumbeous Vireo.
---On April 28 at Highline Lake SP, Denise and Mark Vollmar reported Cattle
---On April 28 in Loma around 1200 Q Road, Rodene Harwood and ronda
Woodward reported Cattle Egret.
---On April 29 at Mcinnis Canyon Flume Trail, Carol Ortenzio reported
Ash-throated Flycatcher and lots of Black-throated Sparrows.
---On April 29 at Connected Lakes SP, Katey Buster reported Green Heron,
Plumbeous Vireo, and Lazuli Bunting.

---On April 27 and 28 at Dinosaur National Monument Canyon Area Visitor
Center, Tom McConnell
reported hearing CALIFORNIA QUAIL but not seeing it.

---On April 27 at San Juan NF, FR 526, Gregg Goodrich reported 2 Grace’s
---On April 28 on Rd G (37.2287,-108.8824), Gregg Goodrich and DFO Field
Trip reported Bullock’s Oriole.

---On April 28 at Broad Canyon Landfill Rd, Coen Dexter and Brenda Wright
reported Gray Vireo.
---On April 29 at Tabaguach Preserve, Coen Dexter and Brenda Wright
reported 2 Yellow-breasted Chat and 2 Lazuli Bunting.
---On April 29 on River Road (San Miguel into Dolores) Coen Dexter and
Brenda Wright reported 9 Black Phoebe and Yellow-breasted Chat.
---On April 30 at Jim’s Cabin, Brenda Wright and Coen Dexter reported Gray

---On April 27 on Golden Eagle Trail Pond, Carl Winstead and Leslie Sours
reported Wilson’s Snipe.

---On April 27 at Northgate Park, Tony Leukering reported Tundra Swan and 3
Greater White-fronted Geese. On April 28 at Northgate Park, Brandon
Percival reported Tundra Swan.
---On April 27 at intersection of CR 12 and CR B.5, Tony Leukering reported
4 Whimbrel (Hudsonian)
---On April 29 at Lamar Community College Woods, Dave Leatherman reported
White-eyed Vireo, pair of Rose-breasted Grosbeak, Nashville Warbler, Field
Sparrow, Dusky Flycatcher, Northern Cardinal, and Lazuli Bunting.

---On April 27 at Mineral Palace Park, Van Truan reported Yellow-throated
---On April 27 at Chico Basin Ranch, Bill Maynard, Tanja Britton, and Jim
Merritt reported Glossy Ibis. On April 28 at Chico Basin Ranch, John
Drummond and Frank Farrell reported Glossy Ibis.
---On April 28 at Valco Ponds, Tim Leppek reported Black Phoebe.

---On April 27 and 28 at Rio Blanco Lake, Tom McConnell reported
Red-breasted Merganser.
---On April 27 and 28 at Kenney Reservoir, Tom McConnell reported Snowy

---On April 27 on Deer Horn Road in Del Norte, David Kevin reported
Green-tailed Towhee.

---On April 27 at Akron Golf Course, Joey Kellner et al reported juv
Broad-winged Hawk.

---On April 27 at Norma’s Grove, Joey Kellner et al reported Harry
Woodpecker (Rocky Mt).
---On April 27 at CR 134 between CR 111 and CR 115, Matt Newport reported 7
Sharp-tailed Grouse.
---On April 28 at Ireland Reservoir #5, Phillip McNicols, Cynthia
McNichols, Tracy Rackauhaus, and Rebecca Laroche reported Red-necked
---On April 28 at Poudre Ponds, Christian Hagenlocher reported 3 Caspian
---On April 28 at Beebe Draw, Rebecca Laroche, Tracy Rackaukas, and Bill
Schreitz reported Stilt Sandpiper.
---On April 28 on farm pond .4 miles n of intersection of CR 42 and CR 47,
Bill Fink reported 4 Whimbrel and pair of Greater Scaup.
---On April 29 at CR 134 and CR 111, Joshua Smith reported Sharp-tailed
Grouse and Grasshopper Sparrow.
---On April 29 at CR 111 between CR 134 and CR 135, Joshua Smith reported 2
Sharp-tailed Grouse and 6 Grasshopper Sparrows.
---On April 28 at Firestone Gravel Pits (View from road), Renee Casias
reported Common Tern; Chris Lynch, Robert Beauchamp, Gwen Moore, and Art
Hudak reported Caspian Tern.
---On April 29 at Pawnee NG Murphy’s Pasture area and auto tour stops 2 &
3, Joshua Smith reported Chestnut-collared Longspur, McCown’s Longspur, and
Grasshopper Sparrow.
---On April 29 at Lower Latham Reservoir, Gene Rutherford reported Glossy
Ibis and Grasshopper Sparrow.

DFO Field Trips:
For details please visit the DFO website
Ken Caryl Valley Area
Monday, April 30
6:00 AM – 1:00 PM
David Suddjian (dsuddjian AT; 831-713-8659)

Southeastern Colorado
Tuesday, May 1
4:00 Am – 7:00 PM
David Suddjian (dsuddjian AT; 831-713-8659)

Northeastern Colorado
Friday, Mar 4 –Saturday, May 5
6:30 PM – 5:30 PM
Chuck Hundermark & Paul slingsby (chundertmark8 AT; 303-604-0531)

eBird Hotspot Romp
Saturday, May 5
6:00 AM – 6:00 PM
Chris Goulart (cgoulart001 AT; 586-764-2126) This Trip is FULL

Reuter-Hess Reservoir
Saturday, May 5
8:00 AM – 1:00 PM
Tim Ryan and Diane Roberts (Tryan4thebirds AT; 720-545-5084)
This trip is FULL.

Denver City Park
Sunday, May 6
6:30 Am – 11:00 AM
Patraick O-Driscoll (patrodrisk AT; 303-885-6955 (cell))

Good Birding,
Joyce Takamine

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