Date: 6/13/18 3:08 am
From: Joyce Takamine <jabirujt...>
Subject: [cobirds] Colorado Rare Bird Alert, 13 June 2018
Date: June 13, 2018
Compiler: Joyce Takamine
e-mail: RBA AT

This is the Rare Bird Alert for Wednesday, June 13 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 (Washington)
Cackling Goose (Denver)
Wood Duck (Conejos)
Mallard (Mexican intergrade) (San Miguel)
Greater Scaup (Park)
Common Goldeneye (Boulder)
Hooded Merganser (*Arapahoe, Boulder, Larimer)
Red-breasted Merganser (Park)
Northern Bobwhite (Weld)
Yellow-billed Cuckoo (Washington, Weld)
Greater Roadrunner (Las Animas)
Black Swift (Montezuma, Pueblo)
Chimney Swift (*Jefferson, Montezuma)
Rufous Hummingbird (Jefferson, Larimer)
Black Rail (*Weld)
Sandhill Crane (Weld)
American Avocet (Montrose)
Long-billed Curlew (Larimer)
Long-billed Dowitcher (Las Animas, Weld)
Willet (Alamosa, Jackson, Weld)
Franklin’s Gull (Delta)
Caspian Tern (Boulder, Denver, Park)
Black Tern (Prowers)
Pacific Loon (*Gunnison)
Common Loon (*Park)
Little Blue Heron (*Boulder, Larimer)
Green Heron (Larimer)
White-faced Ibis (Larimer)
Mississippi Kite (El Paso, Kiowa)
Lewis’s Woodpecker (*Delta, Jefferson, Larimer, Mesa)
Red-headed Woodpecker (Jefferson, Logan, Washington)
Acorn Woodpecker (La Plata)
Williamson’s Sapsucker (Jefferson)
Red-naped Sapsucker (Jefferson)
Ladder-backed Woodpecker (Las Animas)
Downy Woodpecker (Eastern) (Larimer)
Northern Flicker (Yellow-shafted) (Lincoln)
Willow Flycatcher (Adams)
Least Flycatcher (*Boulder, Eagle, Garfield)
Hammond’s Flycatcher (Weld)
Gray Flycatcher (Gunnison)
Cordilleran Flycatcher (Arapahoe, *Boulder)
Black Phoebe (Delta)
Eastern Phoebe (Boulder)
Ash-throated Flycatcher (El Paso)
Great Crested Flycatcher (Washington, Weld)
Cassin’s Kingbird (Weld)
Purple Martin (Mesa)
Red-breasted Nuthatch (Arapahoe)
Gray Vireo (Las Animas)
Yellow-throated Vireo (Weld)
Cassin’s Vireo (Boulder)
Blue-headed Vireo (El Paso)
Red-eyed Vireo (*Boulder, Weld)
Chihuahuan Raven (Boulder)
Eastern Bluebird (El Paso, Larimer)
Swainson’s Thrush (Montezuma)
Curve-billed Thrasher (El Paso)
Red Crossbill (Arapahoe)
Lesser Goldfinch (Adams)
McCown’s Longspur (Larimer)
Cassin’s Sparrow (Fremont)
Chipping Sparrow (Logan, Montezuma)
Clay-colored Sparrow (Weld)
Field Sparrow (Larimer, Weld)
Lark Sparrow (El Paso, Park)
Black-throated Sparrow (Delta, *Montezuma)
Fox Sparrow (Mesa)
White-throated Sparrow (Weld)
Bobolink (Arapahoe, Boulder)
Orchard Oriole (Broomfield)
Lucy’s Warbler (Montezuma)
American Redstart (Kiowa)
Chestnut-sided Warbler (Jefferson)
Black-throated Blue Warbler (Weld)
Yellow-throated Warbler (*Pueblo)
Grace’s Warbler (Gunnison, Mesa, Montezuma, Ouray)
Hepatic Tanager (Las Animas)
Summer Tanager (El Paso, Montezuma)
Northern Cardinal (Logan)
Lazuli Bunting (Adams)
Indigo Bunting (Delta)
Dickcissel (Jefferson)

---On June 7 at Rocky Mountain Arsenal NWR, Burke Angstman and Audubon
Society of Greater Denver group reported 3 Lazuli Bunting and Willow
Flycatcher. On June 9 at Rocky Mountain Arsenal NWR, Candice Johnson
reported Willow Flycatcher.
---On May 8 at Big Dry Creek (Metzger Farms), Matt Hofeditz reported Lesser

---On June 7 at High Line Canal Trail—S University Blvd to E Orchard Rd,
Jared Del Rosso reported 2 Cordilleran Flycatchers and Red-breasted
Nuthatch. On June 9 at High Line Canal Trail – S University Blvd to E
Orchard Rd, Cynthia Madsen and Joe Roller reported Cordilleran Flycatcher
and 2 Red-breasted Nuthatch, Jared Del Rosso reported Cordilleran
Flycatcher. On June 11 at High Line Canal Trail – S University Blvd to E
Orchard Rd, Cynthia Madsen reported Cordilleran Flycatcher.
---On June 7 at Chapel Hil Memorial Gardens, Jared Del Rosso reported Red
---On June 8 at Lower Ridgewood Park, David Suddjian reported Cordilleran
---On June 8 at St Mary’s Catholic Church, David Suddjian reported 2
Red-breasted Nuthatch. On June 9 at St Mary’s Catholic Church, David
Suddjian reported Red-breasted Nuthatch.
---On June 8 at Littleton Cemetery, David Suddjian reported Red-breasted
Nuthatch. On June 9 at Littleton Cemetery, David Suddjian reported 2
Red-breasted Nuthatch. On June 10 at Littleton Cemetery, David Suddjian
reported Red-breasted Nuthatch.
---On June 10 at Cherry Creek SP – Cottonwood Creek wetlands, Megan Miller
reported Bobolink.
---On June 12 at Centennial Park, Crystal Wilson reported m Hooded

---On June 6 at Hecla Lake, Jack Bushong and Ted Floyd reported m Hooded
---On June 9 at Boulder Creek at 75th St, James McCall reported Eastern
Phoebe, and Alex Brown reported 2 Eastern Phoebe. On June 10 at Boulder
Creek at 75th St, Tom and Debbie Behnfield reported Eastern Phoebe.
---On June 6 at Marshall Marsh, Boulder Bird Club reported Eastern Phoebe.
---On June 6 a Walden Ponds/Cottonwood Marsh, Diane Roberts and Rebecca
Laroche reported Least Flycatcher.
---On June 8 at Heil Valley ranch, Dan Zmolek and Leslie S reported
Cassin’s Vireo.
---On June 9 at Crane Hollow Road and ponds, Michael Britten reported
Eastern Phoebe near bridge over St. Vrain River.
---On June 9 at 680 Gross Dam Rd, Jill Wood Reported Common Goldeneye.
---On June 9 at Walden Ponds/Cottonwood Marsh, Brian and Kimberly Tavernia
spotted a TRICOLORED HERON about 0700 which was seen by many birders;
around 1100 James McCall reported both TRICOLORED HERON and Little Blue
Heron at Cottonwood and many birders got to see both birds sometime in the
same field of view. Chuck Hundertmark reported both herons were gone by
1930. The TRICOLORED HERON is an adult in breeding plumage. On June 10 at
Walden Ponds/Cottonwood Marsh, Joel Such reported that the ad TRICOLORED
HERON and ad Little Blue Heron were present and an imm Little Blue Heron
was also present. Many birders got to see the birds. Late in the day, the
TRICOLORED HERON appeared to be injured. Those present thought it had an
encounter with a Snapping Turtle. The TRICOLORED HERON recovered. On June
11 at Walden/Sawhill Ponds, Charlie Chase, Joe Roller, and Rebecca Laroche
reported 2 Little Blue Heron (1ad, 1 imm) and Caspian Tern. The Little
Blue Herons were seen by many birders. On June 12 at Walden/Sawhill Ponds,
Steve Mlodinow reported TRICOLORED HERON, imm Little Blue Heron and Least
Flycatcher. The ad Little Blue did show up later in the day. Many birders
enjoyed seeing the herons.
---On June 10 on Cherryvale Road (east side) across from Boulder Open Space
and Mountain Parks office, Bob Fiehweg reported several male Boblinks.
Beward of poison ivy along the roadside.
---On June 11 at Lagerman Reservoir, John Vanderpoel reported 2 Chichuahuan
---On June 12 near 4th and Pearl in Boulder, Richard Pautsch reported
singing Cordilleran Flycatcher.
---On June 12 on Marshall Marsh Trail, Richard Pautsch reported pair of
Red-eyed Vireos in Cottonwoods before first bridge.

---On June 9 at Big Dry Creek OS, David Ely and Matt Hofeditz reported
Orchard Oriole.

---On June 9 at CR 28 at Conejos River, Jack Harlan reported pair of Wood


---On June 8 at Fruitgrowers Reservoir, David Tonnessen reported Franklin’s
Gull (basic plumage), Black Phoebe, Black-throated Sparrow, and Indigo
---On June 12 at Battle Park area at gas well in an aspen, Dennis Garrison
reported Lewis’s Woodpecker.


---On June 8 at Denver City Park, Andy Bankert and Caroline Olson reported
Cackling Goose.
---on June 9 at Marston Reservoir Complex, West End, Doug Kibbe and Elaine
Wagner reported 2 Caspian Tern.

---On June 10 at Adams Open Space, Tanja Britton reported 3 Mississippi
---On June 8 at Cheyenne Mountain SP, Alan Ketcham reported Blue-headed
Vireo and 4 Ovenbirds.
---On June 6 at Sand Creek Trail—Dublin Blvd to E Woodmen Rd, Cathy Bondy
reported m Summer Tanager.
---On June 7 at Chico Basin Ranch, Kiandra Haaf reported 2 Ash-throated
Flycatchers and 6 Curve-billed Thrashers.
---On June 8 at E Missouri Ave in Fountain, Diane Roberts and her DFO Field
Trip reported 4 Mississippi Kites. On June 10 at E Missouri Ave in
Fountain, Meg reck reported Mississippi Kite.

---On June 9 at CR 123, Joel Adams reported 4 Cassin’s Sparrows.
---On June 9 on Phatom Canyon Road, Joel Adams reported 3 Cassin’s Sparrows.

---On June 6 at Silt Island Park, Tom McConnell and Vic Zerbi reported
Least Flycatcher.

---On June 6 on CR 26 1 mi from Hwy 149, David Suddjian reported Grace’s
---On June 12 at Blue Mesa in a little bay along Hwy 50 where E Elk Creek
runs into Blue Mesa, Eric Wood reported Pacific Loon.

---On June 8 at Chatfield SP Audubon Center and Trail, Patrick Collins
reported Rufous Hummingbird.
---On June 9 on Plainview Road (from creek to Jefferson OS), Eric DeFonso
reported Dickcissel.
---On June 10 on Stony Pass Rd at Wigwam Creek, Mark Chavez and Frank
Farrell reported 2 Red-headed Woodpeckers, 5 Lewis’s Woodpeckers,
Williamson’s Sapsucker and 3 Red-naped Sapsuckers.

---On June 10 at Meadow Road Rafter J subdivision, Pablo Quezada reported 3
Acorn Woodpeckers.

---On June 9 at Soapstone Prairied NA, Josh Bruening reported 2 BAIRD’S
---On June 7 at Bobcat Ridge NA, Andy Bankert reported Eastern Bluebird.
On June 11 at Bobcat Ridge NA, Andy Bankert reported 2 Lewis’s Woodpeckers
and 2 Eastern Bluebird.
---On June 8 at Carr, 6700 CR 92 (bio-solids facility gate), Nick Komar
reported 3 McCown’s Longspur.
---On June 9 in Rocky Mountain National Park at base of Old Fall River
Road, Ashlyn McKayla reported m Rufous Hummingbird.
---On June 11 at Prospect Ponds NA, Jay Breidt reported Little Blue Heron
and Green Heron.
---On June 11 at Running Deer & Cottonwood Hollow NA, Jay Breidt and Nick
Komar reported 24 White-faced Ibis.
---On June 11 at Meadowbrook NA, Christine Sparks reported 4 Hooded
Mergansers (1f, 3 juv).
---On June 11 at Maple & Fishback in Fort Collins, David Wade reported m
Downy Woodpecker (Eastern).
---On June 11 at Fossil Creek Reservoir and Regional Open Space, Andy
Bankert and Caroline Olson reported Green Heron and 3 White-faced Ibis.

---On June 10 in Johnson Canyon, Steve Mlodinow reported 3 Greater
Roadrunners, Ladder-backed Woodpecker, 5 Gray Vireo and Hepatic Tanager.

---On June 7 at 300 – 398 4th St (City Park), Andrew Judd reported pair of
Northern Flicker (Yellow-shafted).

---On June 9 at Tamarack Ranch SWA, Christine Alexander reported EASTERN
WOOD-PEWEE, 5 Red-headed Woodpeckers and Northern Cardinal.

---On June 9 on Divide Road, Divide Forks CG area, Loch Kilpatrick reported
Lewis’s Woodpecker, 2 Grace’s Warblers, 2 Purple Martin, and Fox Sparrow.

---On June 8 at Dinosaur National Monument Canyon Area Visitor Center, Loch
Kilpatrick reported CALIFORNIA QUAIL back by maintnence shop.

---On June 8 at 25635 -25751 Hwy 145 near Dolores, David Tonnessen reported
2 Swainson’s Thursh (Olive back) and Grace’s Warbler.
---On June 9 at Bauer Reservoir, David Tonnessen reported 29 Black Swift
and 1 Chimney Swift. On June 11 at Bauer Reservoir, Palo Quezada reported
20 Black Swifts and 1 Chimney Swift.
---On June 11 at 11201 Road G near Cortez, Pablo Quezada reported f Summer
Tanager flew over road.
---On June 11 at Yellowjacket Canyon G Road, Pablo Quezada reported Summer
Tanager, Lucy’s Warbler, and 2 Black-throated Sparrows.

---On June 7 at Nucla Sewage Lagoon, Coen Dexter and Brenda Wright reported
f LESSER NIGHTHAWK. On June 9 at Nucla Sewage Lagoon, Coen Dexter and
Brenda Wright reported 4 American Avocets and m LESSER NIGHTHAWK.

---On June 8 at Top of Pines CG (top of CR 5, Vic Zerbi reported 5 Grace’s

---On June 11 at Antero Reservoir, David Tonnessen reported m Greater
Scaup, f Red-breasted Merganser, and Caspian Tern. On June 12 at Antero
Reservoir, Gary Koehn reported Common Loon.
---On June 11 at CR 53, Marcel Such reported Lark Sparrow.

---On June 7 at Fort Lyons Reservoir, Tony Leukering reported Black Tern.

---On June 12 at Mineral Palace Park, the DFO Field Trip led by David
Suddjian confirmed breeding of Yellow-throated Warbler. They saw the male
singing and the female carrying food.

---On June 9 at Beaver Pond in Telluride, Ted Floyd reported Mallard
(Mexican Intergrade).

---On June 6 at Prewitt Reservoir, David and Darren Dowell reported Snow
Goose, Yellow-billed Cuckoo, Red-headed Woodpecker, and Great Crested

---On June 2 at Lower Latham Reservoir Marsh on S side of CR 48 western end
just east of out-of-service Gas Facility, Doug Faulkner reported calling
Black Rail. On June 6 at Lower Latham Reservoir Marsh, Cynthia Madsen and
many other birders reported Black Rail(s) other both sides of CR 48; some
were able to get brief glimpses of the bird; also reported was Field
Sparrow and 4 Sandhill Cranes by Frank Farrell. On June 7 at Lower Latham,
Cheri Phillips and Maureen Blackford reported Black Rail; Bill Kaempfer,
Peter Burke, and John Malenich reported Black Rail heard and partially
seen. On June 8 at Lower Latham, Riley Morris reported Sandhill Crane. On
June 11 at Lower Latham, Knut Hansen reported Black Rail. On June 12 at
Lower Latham, Steve Mlodinow reported Black Rail.
---On June 7 at Baxter Lake, Steve Mlodinow reported White-rumped Sandpiper
and Lesser Yellowlegs.
---On June 6 at Pawnee NG Auto Tour, Bob and Bettina Arrigoni reported
Clay-colored Sparrow.
---On June 7 at Centennial Valley SWA, Stepfanie Aguiillon and Tayler
Brooks reported 3 Northern Bobwhite, Great Crested Flycatcher, and
Yellow-billed Cuckoo.
---On June 9 at Stewart’s Pond, Amy Boggan reported 3 Pectoral Sandpipers.
---On June 10 at CR 59, Gavin Aquila reported Cassin’s Kingbird.

DFO Field Trips:

Deer Creek Canyon
Wednesday, June 13
5:30 AM – 11:00 AM
David Suddjian (dssudjian AT; 831-713-8679)

Bailey Nesting Area, Summit County
Thursday, June 14
5:30 AM – 5:30 PM
Paul Slingsby & Chris Blakeslee (paslingsby AT; 720-347-5169

Upper Beaver Meadows Rocky Mountain National Park
Friday, June 16
7:30 AM – 3:00 PM
Bill Wuerthele (wuerthel AT; 303-333-2519)
This trip is FULL.

Chatfield State Park
Saturday, June 16
5:30 Am – 11: AM
David Suddjian (dssudjian AT; 831-713-8679)

Prospect Park (Wheat Ridge Greenbelt)
Saturday, June 16
8:00 Am – 10:30 AM
Jackie King (jackie.king AT ccd.eud; 720-381-3314)

First Creek at Denver Open Space
Sunday, June 17
6:00 AM – 11:00 AM
Patrick O’Driscoll (patodrisk AT; 303-885-6955 (Cel))

Good Birding
Joyce Takamine

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