Date: 5/2/18 3:27 am
From: Joyce Takamine <jabirujt...>
Subject: [cobirds] Colorado Rare Bird Alert, 2 May 2018
Compiler: Joyce Takamine
Date: May 2, 2018
e-mail: RBA AT

This is the Rare Bird Alert for Wednesday, May 2 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 (Jefferson, Rio Grande)
Tundra Swan (*Prowers)
Wood Duck (*Jackson)
Greater Scaup (*Jackson, Montrose)
Surf Scoter (Crowley)
Sharp-tailed Grouse (Weld)
Greater Prairie Chicken (Yuma)
Chimney Swift (*Jefferson)
White-throated Swift (Pueblo)
Virginia Rail (Chaffee)
Sora (Jackson, Montezuma)
Sandhill Crane (Montezuma)
Black-necked Stilt (*Boulder, *Douglas, *Mesa, Montezuma)
Black-bellied Plover (Kiowa)
Semipalmated Plover (La Plata)
Mountain Plover (Lincoln)
Upland Sandpiper (Sedgwick, Yuma)
Long-billed Curlew (*Jefferson)
Marbled Godwit (Crowley, *Mesa)
Sanderling (*Jackson)
Bairds’s Sandpiper (*Jackson)
Least Sandpiper (Kit Carson)
Solitary Sandpiper (*San Miguel)
Pectoral Sandpiper (Kiow)
Semipalmated Sandpiper (*Jackson, Kit Carson, *Mesa)
Long-billed Dowitcher (Weld)
Willet (*Boulder, Jackson, Jefferson, Weld)
Wilson’s Phalarope (Kit Carson)
Red-necked Phalarope (*Mesa)
Caspian Tern (Crowley, *Weld)
Black Tern (*Mesa)
Common Tern (*Mesa)
Forster’s Tern (Adams, Crowley)
American White Pelican (Douglas)
Great Egret (*Denver, *San Miguel)
Snowy Egret (*Las Animas)
Little Blue Heron (*Mesa)
Cattle Egret (Jefferson, *Mesa, *San Miguel)
Green Heron (*Boulder, Mesa)
Glossy Ibis (Boulder, *El Paso, Fremont, *Jackson, Weld)
White-faced Ibis (*Mesa, Weld)
Turkey Vulture (Douglas)
Northern Goshawk (Larimer)
Broad-winged Hawk (Boulder, Jefferson)
Rough-legged Hawk (Lincoln)
Acorn Woodpecker (La Plata)
Red-bellied Woodpecker (Bent)
Ladder-backed Woodpecker (El Paso)
Hairy Woodpecker (*Weld)
Western Wood-Pewee (Mesa)
Least Flycatcher (Jefferson)
Hammond’s Flycatcher (*Jefferson)
Gray Flycatcher (Kit Carson)
Dusky Flycatcher (Montrose, Prowers)
Black Phoebe (Montrose)
Eastern Phoebe (*Boulder, Douglas, Jefferson)
Ash-throated Flycatcher (Mesa)
Cassin’s Kingbird (El Paso, *La Plata)
Gray Vireo (Montrose)
Cassin’s Vireo (Bent)
White-eyed Vireo (Prowers)
Plumbeous Vireo (Adams, Arapahoe, Denver, El Paso, Mesa)
Warbling Vireo (Pueblo)
Violet-green Swallow (Jefferson, Weld)
Northern Rough-winged Swallow (Moffat)
Cliff Swallow (Moffat)
Bushtit (*Weld)
White-breasted Nuthatch (*Weld)
Blue-gray Gnatcatcher (Kit Carson)
Eastern Bluebird (El Paso, Fremont)
Swainson’s Thrush (*Weld)
Hermit Thrush (*El Paso)
Gray Catbird (Boulder, *Denver, *Larimer)
Curve-billed Thrasher (El Paso)
Sage Thrasher (Yuma)
American Pipit (Crowley, Kiowa)
Chestnut-collared Longspur (Weld)
McCown’s Longspur (Weld)
Green-tailed Towhee (Boulder)
Cassin’s Sparrow (Yuma)
Chipping Sparrow (Logan, Montezuma)
Clay-colored Sparrow (Douglas)
Lark Sparrow (Boulder, El Paso)
Black-throated Sparrow (Mesa)
Grasshopper Sparrow (Weld, Yuma)
Field Sparrow (Bent, Prowers)
Sagebrush Sparrow (Boulder)
White-throated Sparrow (El Paso)
Harris’s Sparrow (Denver)
Yellow-breasted Chat (Montrose)
Bullock’s Oriole (Bent, Denver)
Baltimore Oriole (Fremont)
Scott’s Oriole (Pueblo)
Brown-headed Cowbird (Kit Carson, Yuma)
Northern Waterthrush (El Paso)
Orange-crowned Warbler (Boulder)
Nashville Warbler (Lincoln, Prowers)
Virginia’s Warbler (Boulder, Larimer)
MacGillivrary’s Warbler (Larimer)
Hooded Warbler (*Broomfield)
American Redstart (Jefferson)
Black-throated Blue Warbler (Jefferson)
Palm Warbler (Bent)
Grace’s Warbler (Jefferson)
Black-throated Gray Warbler (Jefferson, Mesa)
Townsend’s Warbler (*Weld)
Wilson’s Warbler (Boulder)
Summer Tanager (*Jefferson, Larimer, Lincoln)
Western Tanager (Larimer)
Northern Cardinal (*Boulder, Prowers)
Rose-breasted Grosbeak (Prowers)
Lazuli Bunting (Boulder, Douglas, Lincoln, Mesa, Montrose, Prowers)

---On April 29 at Barr Lake SP East Side, Bez Bezuidenhout reported
Plumbeous Vireo.

---On April 30 on Big Dry Creek Trail between Dry Creek Blvd and Arapahoe
Blvd, Mary O’Connor reported Plumbeous Vireo.

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

---On April 30 at Boulder Creek and 75th St, Katie Lehman and David Haskell
reported 2 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 May
1 at Golden Ponds Park and NA, David Dowell reported eastern Phoebe, 2
Green Heron, and 4 Black-necked Stilts.
---On April 29 at Waneka Lake/Greenlee Preserve, Ted Floyd and many other
birders reported Glossy Ibis.
---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 30 at Skunk Canyon trails, David Dowell reported Broad-winged
Haw, 3 Virginia’s Warbler and Wilson’s Warbler.
---On April 30 at CU Boulder South Campus, Laura Steadman reported
Virginia’s Warber and Orange-crowned Warbler.
---On May 1 at Melody Park in Boulder, Bob Fiehweg and Robin Byers reported
singing Northern Cardninal.
---On May 1 at Lagerman Reservoir, Scott Severs reported 45 Willets.

---On April 29, Sandy Arnesen reported a Hooded Warbler has been visiting
her back yard. If you would like to see it, contact Sandy at
sandy.arnesen.SA AT or call 303-941-5481. On April 30, Edie
Israel, Connie, and Joyce Takamine and Bob Spencer reported m Hooded
Warbler at yard of Sandy Arnesen. On May 1, Sandy Arnesen reported that
the Hooded Warbler continued to visit her yard and several birders got to
see it.

---On April 30 at Lake Meredith, David Bell and Siobhan Darlington reported
39 Marbled Godwits, Caspian Tern, and 40 Forster’s Terns.
---On April 30 at Lake Henry, David Bell and Siobhan Darlington reported
imm m Surf Scoter and
2 American Pipts.

---On April 29 at First Creek at DEN OS, Charlies Chase reported Bullock’s
Oriole. On May1 at First Creek at DEN OS, John Breitsch reported 2 Gray
---On April 29 at Rocky Mountain Lake Park, Gwen Moore, James McCall, and
Judith Henderson reported Great Egret. On May 1 at Rocky Mountain Lake
Park, Gabriel Wiltse reported Great Egret.
---On April 29 at Westerly Creek Park, Jason Bidgood reported Harris’s
---On April 30 at Denver City Park, Rebecca Laroche reported Plumbeous

---On April 29 at Roxborough SP, David Chernak reported Lazuli Bunting
---On April 30 on Walker Trail, CO 86 bridge, Hugh Kingery reported Eastern
Phoebe under the bridge.
---On April 30 at Chatfield SP Marina Sandspit, Doug Kibbe and Mackenzie
Goldthwait reported Clay-colored Sparrow.
---On May 1 at Bar CCC pond in Parker, Tim Ryan and G Stacks reported 3
Black-necked Stilts.

---On April 29 at Chico Basin Ranch wooded areas, Kiki Widjaja reported 2
Ladder-backed Woodpeckers. On April 30 at Chico Basin Ranch, Gary Koehn
reported Ladder-backed Woodpecker. On May 1 at Chico Basin Ranch, Ken
Burton reported Hermit Thrush.
---On April 29 at Red Rock Canyon OS, Jim Merritt reported White-throated
---On April 30 at Ramah Reservoir SWA, John Bruder and Monday Birders
reported Cassin’s Kingbird and 2 Eastern bluebirds.
---On April 29 on Kane Road, Robb Hinds, Alan Ketcham, Joy and Leonard Lake
reported Glossy Ibis. On April 30 on Kane Road, Terence Berger, Chris
Brobin, Mel and Jeanne Goff reported Glossy Ibis On May 1 on Kane Road,
Robin Bredl reported Glossy Ibis.
---On April 29 on Hanover Road, Kiki Widjaja reported Curve-billed Thrasher
and Ladder-backed Woodpecker. On April 30 on Hanover Road, Gary Koehn,
David Bell, and Siobhan Darlington reported 3 Ladder-backed Woodpecker and
Curve-billed Thrasher.
---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 30 on Blazing game Road, John Bruder reported 3 Cassin’s
---On April 30 on Yoder Rd, Monday Birders reported 2 Cassin’s Kingbirds.
---On April 30 on Funk Road, Monday Birders reported Cassin’s Kingbird.

---On April 29 in Florence (town), Dale and Joel Adams reported Glossy Ibis
and Eastern Bluebird.
---On April 30 on Canon City Riverwalk from Sells Lake to S Raynolds Ave,
Jerry DeBoer reported m Baltimore Oriole.

---On May 1 at Walden Reservoir, Caleb Strand reported 2 Baird’s Sandpiper,
Sandering, Ross’s Goose, 2 Greater Scaup and Glossy Ibis.
---On May 1 at Arapaho NWR in Walden, Calibe Strand reported 2 Semipalmated
Sandpiper and 2 Wood Ducks.

---On April 30 at Dinosaur Ridge, Joyce Commercon reported 4 Broad-winged
---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 30 at Main Reservoir in Lakewood, Myron Gerhard reported
Black-throated Gray Warbler; Matt Clark, Susan Bonfiglio, and Karen Goetz
reported 69 Willet, Least Flycatcher, and f Black-throated Blue Warbler in
NW corner just west of Wood Duck Pond. On May 1 at Main Reservoir, Doug
Kibbe and Elaine Wagner reported Chimney Swift; Michael Lester reported
Hammond’s Flycatcher.
---On May 1 at Elk Meadow Park, Greg Levandoski reported Long-billed Curlew.
---On May 1 on Bear Creek Trail – Bear Creek Lake Dam to S Kipling, Robert
Raker, Frank Farrell, Matt Clark, and Susan Bonfiglio reported Summer

---On April 29 at Upper Queens/Neeskah Reservoir, Matt Clark et al reported
Black-bellied Plover and 2 Pectoral Sandpipers.

---On April 29 on CR 136 between CR 141 and CR 128, Ryan Votta reported
Cassin’s Kingbird.
---On April 30 at Pastorius Reservoir, Susan Allerton reported 2
Semipalmated Plovers.
---On Mary 1 on CR 136 across from Consolidated Construction, Jason St.
Pierre reported Cassin’s Kingbird.

---On April 29 at Lory SP, Gerogia Doyle reported 2 Virginia’s Warblers.
---On April 29 at CSU Environmental Learning Center, Lori Zabel reported f
Summer Tanager. On May 1 at CSU Environmental Learning Center, Bobbie
Tilmant reported f EASTERN TOWHEE.
---On April 30 at Horsetooth Mountain OS, Arvind Panjabi reported
Virginia’s Warbler and Western Tanager.
---On April 30 at Dixon Reservoir, Brad Biggerstaff reported MacGillivray’s
---On May 1 at Douglas Reservoir, David Wade reported Gray Catbird.

---On May 1 at Trinidad Reservoir (SP and SWA), Charles Paterson reported
Snowy Egret.

---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 30 on CR 3F from CR 41 to Hwy 63, David Bell and Siobhan
Darllington reported Rough-legged Hawk.

---On April 29 at Horsethief Canyon SWA, Carol Ortenzio reported Western
Wood-Pewee and Lazuli Bunting.
---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 30 at James M Robb Colorado River SP Pear Park Section, Annette
Collier, Diane and Jackson Trappett, David Rice and Hank Schoch, Kathleen
McGinley, Denise and Mark Vollmar reported Little Blue Heron. On May 1 at
James M Robb Colorado River SP Pear Park Section, Mike Henwood, Nic Korte,
Vic Zerbia and several other birders reported Little Blue Heron.
---On April 30 at Highline Lake SP, Kathleen McGinley reported 3 Red-necked
Phalarope, 2 Black Tern, 10 Common Tern.
---On April 30 at No Thoroughfare Canyon, Ronda Woodward reported Plumbeous
Vireo and Black-throated Gray Warbler.
---On May 1 at Redlands Parkway Ponds, Mike Henwood reported 5 Black-necked
Stilts, Marbled Godwit, and Black Tern; Drew Kelly repoted 2 Semipalmated
---On May 1 at Connected Lakes SP Blue Heron Section, Mike Henwood reported
2 Common Tern.

---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 30 at Totten Reservoir, Eric Hendrickson reported Black-necked
Stilt, Sora, and Sandhill Crane.

---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 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 May 1 at North Gateway Park, Alan and Mary Lynne Ketcham, and Jim
Merritt reported Tundra Swan.

---On April 30 at Signal Mountain ranch, Larry Moore reported m Scott’s
---On April 30 at Pueblo Reservoir, Brandon Percival reported Warbling

---On April 30 in Telluride (town), Eric Hynes reported Solitary Sandpiper.
---On May 1 in Mountain Village, Eric Hynes reported Great Egret.
---On May 1 on Boomerang to River trails, Eric Hynes reported Solitary

---On April 30 on CR 4 near Julesburg, Zachariah Hutchinson reported Upland

---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 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.
---On May 1 at Glenmere Park in Greeley, Steve Mlodinow reported Hairy
Woodpecker (Rocky Mts), 2 Bushtit, Blue-gray Gnatcatchers, White-breasted
Nuthatch (interior west).
---On May 1 at Eaton Cemetery, Steve Mlodinow reported 2 Sawinson’s (Olive
back) Thrush and Townsend’s Warbler.
---On May 1 at Firestone Gravel Pits (view from road), Steve Mlodinow
reported 2 Caspian Terns.

---On April 30 at CR 45 (40.2054,-102.3056) Joshua Smith reported Upland
Sandpiper, 2 Sage Thrashers and Grasshopper Sparrow.
---On April 30 on CR 45 (40.2166,-102.3265), Caleb Strand reported 21
Greater Prairie Chicken, 4 Cassin’s Sparrow, and 6 Grasshopper Sparrows.

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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