Date: 4/3/17 3:17 am
From: Joyce Takamine <jabirujt...>
Subject: [cobirds] Colorado Rare Bird Alert, 3 April 2017
Compiler: Joyce Takamine
e-mail: RBA AT
Date: April 3, 2017

This is the Rare Bird Alert for Monday, April 3 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 using the new AOU checklist and the order of families has

Mallard (Mexican intergrade) (Larimer)
Trumpeter Swan (Archuleta, Routt)
Tundra Swan (Weld)
Barrow’s Goldeneye (*Chaffee, Routt)
Sharp-tailed Grouse (*Weld)
Greater Roadrunner (Weld)
Snowy Plover (Boulder)
Mountain Plover (Costilla, *El Paso, Kiowa, Lincoln, Logan)
Mew Gull (*Larimer)
Thayer’s Gull (Larimer)
Lesser Black-backed Gull (*Larimer)
Great Black-backed Gull (Larimer)
Red-throated Loon (*Kiowa)
Red-headed Woodpecker (Logan)
Red-bellied Woodpecker (Logan)
Williamson’s Sapsucker ( Pueblo)
Yellow-bellied Sapsucker (Denver)
Ladder-backed Woodpecker (Otero)
American Three-toed Woodpecker (Clear Creek)
Black Phoebe (Archuleta, *Boulder, Mesa, Pueblo)
Eastern Phoebe (*Adams, Boulder,*Douglas, *Jefferson, Otero, *Weld)
Winter Wren (El Paso)
Carolina Wren (Pueblo)
Bewick’s Wren (Otero, Pueblo)
Curve-billed Thrasher (*Pueblo)
Bohemian Waxwing (Jackson)
Lapland Longspur (Weld)
Chestnut-collared Longspur (Kit Carson, Lincoln)
McCown’s Longspur (Lincoln)
Northern Parula (Custer)
Rufous-crowned Sparrow (Otero)
Field Sparrow (Yuma)
Savannah Sparrow (Larimer)
Fox Sparrow (*Arapahoe, El Paso)
Lincoln’s Sparrow (El Paso)
Great-tailed Grackle (Boulder, Kit Carson)

---On April 2 at Rocky Mountain Arsenal NWR, Bob Spencer reported Eastern

---On March 31 at Cherry Creek SP above East Boat Ramp in upper parking
lot, Cheryl Teuton and Dan Brooke reported Red Fox Sparrow. On April 1 at
Cherry Creek SP, Jeff Dawson, Dan Brooke, Tom and Debbie Behnfield, Glenn
Walbek, and Dean Shoup reported Red Fox Sparrow. On April 2 at Cherry
Creek SP, Joyce Takamine reported Red Fox Sparrow.

---On March 28 at Pinon Lake Reservoir, Ben Bailey and Byron Greco reported
Trumpeter Swan.
---On March 28 at Navajo Reservoir/Piedra River upstream, Ben Bailey and
Bryon Greco reported 2 Black Phoebes.

---On March 27 Will Niccolls and Sue Riffe reported Black Phoebe at Boulder
Creek and 75th St. On March 29, Sharon Norfleet reported that the Boulder
Bird Club saw Black Phoebe at Boulder Creek and 75th St. On March 30,
Chris Brown, Brian Johnson, and Norm Lewis reported Black Phoebe at Boulder
Creek and 75th St. On April 1, Aidan Goldie, Nick Moore and Dean Shoup
reported Black Phoebe at Boulder Creek and 75th St. On April 2 at Boulder
Creek and 75th St, Chuck Hundertmark and several other birders reported
Black Phoebe.
---On March 29 at Sombrero Marsh, the Boulder Bird Club reported
Great-tailed Grackle.
---On April 1 at Baseline Reservoir in Boulder, Peter Gent found a Snowy
Plover in the SW corner. The plover was seen by many birders on April 1.
---On April 1 at Baseline Reservoir, Todd Deininger reported Eastern Phobe
on east side.

---On April 2 at Buena Vista Ice Pond, Ruben and Victor Stoll and Christian
Hagenlocher reported
16 Barrow’s Goldeneyes.

---On March 28 at Guanella Pass Campground, Craig Robson reported 3
American Three-toed Woodpeckers.

---On March 29 south of Smith Reservoir, John Rawinski and John Stump
reported 9 Mountain Plovers.

---On March 30 at Lake DeWeese, Clif Smith and Pearle Sandstrom-Smith
reported a m Northern Parula.

---On April 1 at Denver City Park, Patrick O’Driscoll reported a male
Yellow-bellied Sapsucker in conifer SW of tennis courst on the W side of
park. This was part of a DFO Field trip.

---On April 2 near Kingfisher Bridge at Chatfield SP, Thomas Holub, Tim
Ryan, and tom and Debbie Behnfield reported Eastern Phoebe.

---On March 28 at Ute Valley Park, David Tonnessen reported Lincoln’s
---On March 30 at Adams Open Space in Fountain, Diana Beatty reported a
Lincoln’s Sparrow.
---On April 1 on Squirrel Creek Road just NE of Ellicott Hwy, Linda Hodges
reported 2 Mountain Plovers.
On April 2 on Squirrel Creek Road near Ellicott Hwy, Tim Leppek reported 2
Mountain Plovers.

---On March 20 at Sinton Pond Open Space, David Tonnessen reported Winter
Wren. On March 23 at Sinton Pond Open Space, David Tonnessen reported
Winter Wren and Fox Sparrow (Red). On March 23, Chris Bronbin reported
Winter Wren at Sinton Pond. On March 24 at Sinton Pond Open Space, Glenn
Walbek and Mark Peterson reported Fox Sparrow (Red). On March 30, David
Tonnessen and Mark Minner-Lee reported Winter Wren at Sinton Pond and
Tonnessen reported Fox Sparrow (Red). On March 31, John Drummond reported
Red Fox Sparrow at Sinton Pond.

---On April 1 on CR 27 W of Hwy 14, Ruben and Victor Stoll reported 11
Bohemian Waxwings.
---On April 1 on CR 41 E of Hwy 14, Ruben and Victor Still reported 5
Bohemian Waxwings.

---On April 1 at Chatfield SP Audubon Center and Trails, Aaron Shipe
reported Eastern Phoebe.
---On April 2 at Chatfield Farms and Denver Botanic Gardens, Tom Wilberding
reported Eastern Phobe.

---On March 29 about 5 miles south of Eads on CR 40, Bill Kaempfer reported
5 Mountain Plovers.
---On April 2 at Adobe Creek Reservoir (Blue Lake), David Dowell reported a
worn 1-st year Red-throated Loon.

---On March 27 on Creek B (road) Glenn Walbek reported 7 Chestnut-collared
Longspurs, 15 McCown’s Longspurs and Savannah Sparrow. The longspurs are
possibly nesting in this area.
---On March 30 near intersection of CR 12 and CR L, Glenn Walbek reported
44 Chestnut-collared Longspurs and 4 Great-tailed Grackles.

---On March 31 on Poudre Canyon Road near Bellvue, Ruben and Victor Stoll
reported Savannah Sparrow.
---On April 1 at Horseshoe Reservoir, Andy Bankert and David Wade reported
imm Great Black-backed Gull, 2 Thayer’s Gulls, and 5 Lesser Black-backed
Gulls. On April 1, Andy Bankert also reported Mallard (Mexican Intergrade)
at Horseshoe Reservoir. On April 2 at Horseshoe Reservoir, Christine and
Richard Sparks reported 1-st winter Mew Gull and Lesser Black-backed Gull.

---On March 29 on CR 3E, Bill Kaempfer reported 50 longspurs (McCown’s and
Chestnut-collared) and 1 Mountain Plover.

---On April 1 at Tamarack Ranch, Area 6, Scott Manwaring reported 2
Mountain Plovers, Red-headed Woodpecker, and 3 Red-bellied Woodpeckers.

---On April 1 at Colorado River SP, Fruita Section, Brett Walker reported
Black Phoebe.

---On March 27 – 28 at Picketwire Canyon (Comanche National Grasslands),
Nathan Pieplow reported
Eastern Phoebe, Bewick’s Wren, Rufous-crowned Sparrow, and Ladder-backed

---On March 25 on Arkansas River Trail east of Pueblo Blvd, Brandon
Percival and Kara Carragher reported singing Carolina Wren. On March 31 on
Arkansas River Trail east of Pueblo Blvd, Glenn Walbek reported Winter
Wren, Carolina Wren, and Bewick’s Wren.
---On March 28 at Pueblo Reservoir, Rock Canyon below dam, north of river,
Ben Sampson reported Black Phoebe and 2 Bewick’s Wrens.
---On March 2 on CR 601 or IL Road, Dave Stejskal reported 4 Curve-billed
Thrasher and Brewer’s Sparrow.
---On March 2 at Chico Basin Ranch, Ellen and Jerry Horal and Karyl Gabriel
reported Curve-billed Thrasher.

---On March 28 at Stagecoach Reservoir near Oak Creek, Tom Litteral
reported imm Trumpeter Swan and 5 Barrow’s Goldeneyes. On March 31, Tresa
Moulton reported imm Trumpeter Swan at Stagecoach Reservoir.

---On March 27, Mark Minner-Lee and Frank Farrell reported Tundra Swan at
Stewart’s Pond. On March 28, Mike McCloy reported Tundra Swan at Stewart’s
Pond. On March 30 at Stewart’s Pond, Sue Riffe, Ivan Mota, and Phil
Bartley reported Tundra Swan and 6 Great-tailed Grackles. On March 31,
Cherri Phillips reported Tundra Swan at Stewart’s Pond.
---On April 1 S of Stewart’s Pond, Frank Farrell reported Greater
---On April 2 on CR 136 east of CR 99, Gene Rutherford reported
Sharp-tailed Grouse.
---On April 2 on CR 134 east of CR 111, Brandon Nooner reported 2
Sharp-tailed Grouse.
---On April 2 on CR 138 east of CR 111, Gene Rutherford reported
Sharp-tailed Grouse.
---On April 2 at Murphy’s Pasture area and auto Tour Stops 2 & 3, Gene
Rutherford reported Eastern Phoebe.

---On April 1 at Beecher Island, Craig Robson reported Field Sparrow.

Denver Field Ornithologists Field Trips
The DFO Field Trip for Saturday, April 8 will be to Rocky Mountain Arsenal
NWR led by Candice Johnson (Candice.johnson AT;
303-329-8131). Meet at 0800 at the Arsenal Visitors Center, 6550 Gateway
Rd, Commerce City. Directions: From I-70 east, take exit 278, turn left
onto Quebec St, turn right onto E 60th Ave, turn left onto Trenton St,
continue onto Gateway Rd to Visitor Center.
Will drive the new 11 mile Wildlife Drive looking for raptors, so bring
a 2-way radio if you have one. Be prepared to carpool because parking is
limited at the lakes. Bison and deer are likely to be seen. Will only
walk on level trails. Plenty of restrooms and pit toilets, but limited
picnic Space. Register online or contact leader.

The DFO Field Trip for Sunday, April 9 will be to Rueter-Hess Reservoir led
by Mary Cay Burger (mcburger3 At; 720-940-8394). This trip is

The DFO Field Trip for Sunday, April 9 will be to Cherry Creek SP Wetlands
Loop led by Karen von Saltza (kvonsaltza AT; 303-941-4881). Meet
at 0800 at the Prairie Loop lot in Cherry Creek SP. From either park
entrance, follow Lake View Rd to the Prairie Loop that is located at the
south rim of the reservoir. State Parks pass or day pass required.
This is a half day of walking that passes through most of the important
habitats found in the park over a distance of about 3 miles. Trails could
be slippery or muddy, so dress accordingly. Bring water and
Snacks; lunch is optional. Beginning birders are welcome. Register online
or contact leader.

Good Birding,
Joyce Takamine

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