Colorado Rare Bird Alert, 12 October 2018

[Joyce Takamine]

Compiler: Joyce Takamine

e-mail: RBA AT cobirds.org 

 Date:  October 12, 2018 

This is the Colorado Rare Bird Alert for Friday, October 12 sponsored by Denver Field Ornithologists and the Bird Conservancy of the Rockies. 

Note that the RBA is using the new AOU checklist.

Rare and out of range species for the last seven days include: (*indicates new information on this species is new)

Greater White-fronted Goose (*Arapahoe)

Cinnamon Teal (*Mesa)

Mexican Duck (Huerfano)

Bufflehead (*Arapahoe, Huerfano, *Larimer, Mesa)

Horned Grebe (Montrose)

Northern Bobwhite (Larimer)

Virginia Rail (Huerfano, Larimer, Weld)

Sandhill Crane (Adams, Arapahoe, Boulder, * Jefferson, Larimer)

Sanderling (*Boulder)

Least Sandpiper (*Montrose)

Pectoral Sandpiper (Boulder, La Plata)

Spotted Sandpiper (*Jefferson, *Larimer)

Solitary Sandpiper (Las Animas)

Red-necked Phalarope (Boulder)

Parasitic Jaeger (Boulder)

Sabine’s Gull (Jefferson, Larimer)

Bonaparte’s Gull (Larimer)

WESTERN GULL (*Arapahoe)

Lesser Black-backed Gull (Boulder)

Great Black-backed Gull (Douglas)

Forster’s Tern (Boulder, La Plata)

Red-throated Loon (*Adams)

Common Loon (Jefferson, Larimer)

Double-crested Cormorant (Teller)

Great Egret (Larimer)

Snowy Egret (La Plata)

Cattle Egret (Boulder, *Douglas, *Jefferson)

White-faced Ibis (Garfield, Montrose)

Osprey (Summit)

Broad-winged Hawk (*Boulder, *El Paso, *Larimer)

Swainson’s Hawk (*Weld)

Lewis’s Woodpecker (*Boulder, La Plata)

Williamson’s Sapsucker (Montezuma, Montrose, Summit)

Red-naped Sapsucker (*Boulder, Larimer, Mesa, Summit, *Weld)

Western Wood-Pewee (Jefferson)

American Kestrel (Adams)

Peregrine Falcon (Jefferson)

Hammond’s Flycatcher (Mesa, Montezuma)

Gray Flycatcher (El Paso, Mesa)

Dusky Flycatcher (Montrose)

Cordilleran Flycatcher (Eagle, Larimer, Mesa, Montezuma)

Black Phoebe (La Plata)

Eastern Phoebe (Boulder,*Douglas,  Huerfano, Jefferson)

Vermilion Flycatcher (*Boulder)

TROPICAL KINGBIRD (Jefferson)

Mystery Kingbird (Larimer)

Cassin’s Kingbird (Adams, Denver, Larimer)

Western Kingbird (Jefferson)

Eastern Kingbird (Larimer)

Northern Shrike (Larimer)

Gray Vireo (Mesa)

Cassin’s Vireo (Boulder, La Plata)

Plumbeous Vireo (*Boulder)

Steller’s Jay (Clear Creek, Eagle, Summit, Teller)

Woodhouse’s Scrub-Jay (*Boulder,*Douglas,  Huerfano, *Jefferson, La Plata, Mesa, Montrose)

American Crow (*Weld)

Juniper Titmouse (La Plata, Montrose)

Bushtit (Boulder, La Plata, *Larimer)

Brown Creeper (Mesa)

Rock Wren (Boulder, Huerfano, *Larimer, Montrose)

House Wren (*Jefferson)

Winter Wren (*Douglas)

Marsh Wren (Arapahoe, Larimer, Mesa)

Bewick’s Wren (Huerfano, *Mesa, Montrose, Pueblo)

Blue-gray Gnatcatcher (*Douglas, *Mesa)

Golden-crowned Kinglet (San Juan, San Miguel)

Ruby-crowned Kinglet (Adams, *Boulder, Clear Creek, *Douglas, *El Paso, Huerfano, *Jefferson, La Plata, *Larimer,*Mesa, Montrose, San Miguel, Summit, *Weld)

Mountain Bluebird (*Boulder, Denver,*Douglas,  Larimer, *Mesa, *Montrose, Park, Rio Grande)

Hermit Thrush (Adams, *Boulder, *Jefferson, *Larimer, Mesa, Summit, *Weld)

Gray Catbird (Routt)

Brown Thrasher (*Larimer)

Sage Thrasher (Huerfano, Larimer, Park, Rio Grande)

Northern Mockingbird (Park)

American Pipit (*Boulder, Huerfano, *Larimer, Montrose, Park, Summit, Weld)

BRAMBLING (*Denver)

Green-tailed Towhee (*Boulder, Clear Creek, *Mesa, Weld)

Chipping Sparrow (El Paso)

American Tree Sparrow (Adams)

Clay-colored Sparrow (*Boulder, El Paso, Huerfano, Jefferson, Larimer, Weld)

Brewer’s Sparrow (*Boulder, Jefferson, Mesa) 

Sagebrush Sparrow (*Montrose)

Savannah Sparrow (Huerfano, Larimer, Lincoln)

Vesper Sparrow (Archuleta, *Boulder, Clear Creek, *Mesa, Montrose, San Miguel)

Lark Sparrow (Boulder, Eagle)

Fox Sparrow (San Juan) 

Lincoln’s Sparrow (*Boulder, Eagle, Huerfano, *Jefferson, Kiowa, *Larimer, Lincoln, Mesa, Montrose, Routt, San Miguel, Weld)

White-throated Sparrow (*Mesa)

Brewer’s Blackbird (*Summit)

Common Grackle (*Summit)

Orange-crowned Warbler (*Boulder, *Douglas, *El Paso, *Jefferson, *Larimer, *Mesa, *Montrose, *Summit)

Nashville Warbler (La Plata, Mesa)

Virginia’s Warbler (*Mesa)

MacGillivray’s Warbler (*Boulder, *Jefferson, Mesa)

Common Yellowthroat (*Summit)

American Redstart (Boulder)

Northern Parula (*Boulder)

Magnolia Warbler (*Boulder)

Chestnut-sided Warbler (*Boulder, *Mesa)

Black-throated Blue Warbler (Clear Creek)

Palm Warbler (*Jefferson, *Larimer)

Black-throated Gray Warbler (El Paso, Montezuma)

Townsend’s Warbler (*Boulder, *Mesa)

Black-throated Green Warbler (*Jefferson, *Larimer)

Wilson’s Warbler (*Boulder, *Douglas, *Jefferson, *Larimer, *Mesa, *Montezuma, Park, Summit, *Weld)

Western Tanager (*Boulder, La Plata, *Weld)

Indigo Bunting (Kiowa)

Painted Bunting (Kiowa)

ADAMS COUNTY:

---On October 9 at Barr Lake Banding Station, Meredith McBurney banded American Kestrel, 8 Ruby-crowned Kinglet, and 2 Hermit Thrush.

---On October 8 at Rocky Mountain Arsenal Southern Lake Ladora, Orien Richmond reported 200 Sandhill Cranes (Flyover), Cassin’s Kingbird, 5 American Tree Sparrows, and Lincoln’s Sparrow.  On October 11 at Rocky Mountain Arsenal  NWR, Lake Ladora, Bob and Nancy Bierling reported Red-throated Loon.

ARAPAHOE COUNTY:

---On October 8 at Aurora Reservoir, Cole Sage reported WESTERN GULL.  On October 9 at Aurora Reservoir, Gregg Goodrich reported WESTERN GULL.  On October 10 at Aurora Reservoir, Bill Schreitz and Diane Roberts reported 2000 Sandhill Cranes (Flyover), and WESTERN GULL.  On October 11 at Aurora Reservoir, Ben Sampson and Kevin Kern reported 2 Greater White-fronted Goose, 2 Bufflehead, WESTERN GULL, Ruby-crowned Kinglet, and Wilson’s Warbler.

ARCHULETA COUNTY:

---On October 8 at Echo Canyon Lake SWA, Ben Bailey and Bryon Greco reported 6 Vesper Sparrow.

BOULDER COUNTY:

---On October 8 at Walden Ponds, David Ely, Will Anderson, David Leatherman, Nathan Pieplow, Katie Lehman and David Haskell reported 4 Pectoral Sandpipers and Vermilion Flycatcher.  The Vermilion was seen fly catching over the water.  On October 9 at Walden Ponds, Matthew Wistrand, Bill Kaempfer, Phil Lyon, and Eva Matthews Lark reported 310 Sandhill Crane (Flyover), 4 Pectoral Sandpiper, Ruby-crowned Kinglet, 2 Clay-colored Sparrow, and 4 Lincoln’s Sparrow.  On October 11 at Walden Ponds, Peter Burke and David Dowell reported Vermilion Flycatcher 6 Ruby-crowned Kinglet, Clay-colored Sparrow, and 3 Brewer’s Sparrow.

---On October 8 at Lagerman Reservoir, David Ely, Frank Farrell, Dean Shoup, David Dowell, Bob Fiehweg, Dave Leatherman, Tyler Wilson, and Eva Matthews Lark reported Parasitic Jaeger, Lesser Black-backed Gull, and 3 Cattle Egret.  On October 9 at Lagerman Reservoir, Raymond Sperger and others reported Parasitic Jaeger and 2 Lesser Black-backed Gull.  On October 10 at Lagerman Reservoir, Boulder Bird Club, Logan  Parr, and Luke Phenger reported 2 Red-necked Phlarope, Parasitic Jaeger, 2 Lesser Black-backed Gulls, and Forster’s Tern.  On October 11 at Lagerman Reservoir, James McCall reported Sanderling and 4 Mountain Bluebird.

--- On October 9 at Rabbit Mountain, Raymond Sperger reported 3 Clay-colored Sparrow and 2 Brewer’s Sparrow.

---On October 9 at Mesa Reservoir, Christian Nunes reported 803 Sandhill Cranes (flyover), 2 Rock Wren, 4 Ruby-crowned Kinglet, Hermit Thrush, Vesper Sparrow, and Lincoln’s Sparrow.

---On October 9 on Mayhoffer Singletree Trail in Superior, Peter Ruprecht reported 2 Cassin’s Vireo, 58 Mouuntain Bluebird, 2 Clay-colored Sparrow, Lark Sparrow, Green-tailed Towhee, and Rock Wren.

---On October 9 on Coyote Run OS in Louisville, Ryan Bushong reported 65 Sandhill Cranes (flyover), Lewis’s Woodpecker and Hermit Thrush.

---On October 9 at Ryssby Church and Cemetery on N 63rd, David Dowell reported 3 Ruby-crowned Kinglet, American Redstart, Chestnut-sided Warbler, and Townsend’s Warbler.  On October 10 at Ryssby Church and Cemetery, David Dowell reported Chestnut-sided Warbler.  On October 11 at Ryssby Church and Cemetery, John Vanderpoel and Peter Gent reported Chestnut-sided Warberl, Townsend’s Warbler, and Orange-crowned Warbler.

---On October 10 at Golden Ponds Park and NA, David Dowell reported Eastern Phoebe and Magnolia Warbler.

---On October 10 at Centennial Trail – Dimmit Dr to Old Tale Rd, Bill Kaempfer reported Ruby-crowned Kinglet, and Western Tanager.

---On October 10 at Prince Lake # 2, Ted Floyd reported 3 Pectoral Sandpipers.

---On October 11 at Rabbit Mountain, Nathan Piplow and Okamota Kieta Sin reported Green-tailed Towhee.

---On October 11 at S Saint Vrain Road in Lyons, Nathan Pieplow and Carl Bendorf reported Broad-winged Hawk, Red-naped Sapsucker, 2 Lewis’s Woodpeckers, Ruby-crowned Kinglet, 44 Hermit Thrush, Palm Warbler (Western), MacGillivray’s Warbler, Orange-crowned Warbler, 2 Wilson’s Warbler, Woodhouse’s  Scrub-Jay, and 3 Lincoln’s Sparrow.

---On October 11 at Skunk Creek –Broadway to 27th St., David Dowell reported 2 Ruby-crowned Kinglet, 6 Orange-crowned Warbler, Northern Parula, and Wilson’s Warbler.

---On October 11 at 1821 18th Ave, Bryan Guarente reported Plumbeous Vireo. 

---On October 11 at Boulder Reservoir Complex, Christian Nunes reported 35 Mountain Bluebird, 2 American Pipit, 4 Vesper Sparrow.

DENVER COUNTY:

---On October 11 a block or 2 north of Denver Country Club, someone reported to Denver Audubon a BRAMBLING has been visiting their back yard.  They do not want visitors so that is the reason for the vague location.

DOUGLAS COUNTY:

---On October 9 at Bayou Gulch, Mark Edwards reported Cattle Egret.

---On October 11 at Cherry Creek Trail S from Walker Road, Hugh Kingery reported 3 Cattle Egret.  On October 11 on Cherry Creek Trail South end to Walker Road Gravel  pond, Tim Ryan reported Eastern Phoebe, Woodhouse’s Scrub-Jay, Winter Wren, 2 Blue-gray Gnatcatcher, 2 Ruby-crowned Kinglet, 2 Mountain Bluebird, 3 Orange-crowned Warbler, and Wilson’s Warbler.

EAGLE COUNTY:

--- On October 9 at Sylvan Lake SP, Park Staff reported 7 Cordilleran Flycatcher, Steller’s Jay, and Lincoln’s Sparrow.

EL PASO COUNTY:

---On October 11 at Fountain Creek Regional Park, Tanja Britton reported Broad-winged Hawk, 2 Ruby-crowned Kinglet, and 2 Orange-crowned Warbler.

GARFIELD COUNTY:

---On October 9 at Ponds near Rifle Garfield Airport, Dale and Karen Lumley reported White-faced Ibis.

HUERFANO COUNTY:

---On October 8 at Lathrop SP, David Tonnessen reported Mexican Duck, Virginia Rail, Woodhouse’s Scrub-Jay, Bewick’s Wren, Ruby-crowned Kinglet, American Pipit, 2 Clay-colored Sparrow, and 2 Lincoln’s Sparrows.

---On October 8 at Lake Maria, David Tonnessen reported 8 Bufflehead (1m, 7f), and Savannah Sparrow.

---On October 8 on Industrial Park Drive near Walsenburg, David Tonnessen reported Eastern Phoebe, Rock Wren, and Sage Thrasher.

JEFFERSON COUNTY:

---On October 8 at W entrance road of S Platte Reservoir and nearby buildings, Mark Miller, Tina Jones, John Rutenbeck, Robert Folzenlogen, Jessi Oberbeck, and Kathy Mihm Dunning reported TROPICAL KINGBIRD.  On October 9 at W Entrance road of S Platte Reservoir, Tony Leukering, Bill Kaempfer, John Vanderpoel, and Elaine Wagner reported TROPICAL KINGBIRD.  On October at W Entrance Road of S Platte Reservoir, David Suddjian and Matt Crooks sreported TROPICAL KINGBIRD; Doug Kibbe and Mackenzie Goldthwait reported Peregrine Falcon.

---On October 9 at Chatfield SP N Boat Ramp, Mark Chavez reported 2 Sabine’s Gull and Common Loon.  On October 10 at Chatfield SP N Boat Ramp, Matthew Wistrand reported 2 Sabine’s Gull, Common Loon, 2 Ruby-crowned Kinglet, 2 Clay-colored Sparrow, and Brewer’s Sparrow.

---On October 10 east of where Tucker Gulch Trail meets Clear Creek Canyon Trail, Golden, Lindsay Purifoy and Timo Mitzen reported 360 Sandhill Cranes (Flyover), Woodhouse’s Scrub-Jay, Clay-colored Sparrow, and 2 Palm Warbler.

---On October  11 at Lower White Ranch Park, Timo Mizen reported 41 Sandhill Cranes, Woodhouse’s Scrub-Jay, House Wren, 2 Ruby-crowned Kinglet, Hermit Thrush, Lincoln’s Sparrow, Orange-crowned Warbler, and Wilson’s Warbler.

---On October 11 at Bear Creek Lake Park, Mark Chavez reported 42 Sandhill Crane, 2 Spotted Sandpiper, Cattle Egret, 9 Ruby-crowned Kinglet, 3 Lincoln’s Sparrow, 7 Orange-crowned Warbler, MacGillvray’s Warbler, Black-throated Green Warbler.

LA PLATA COUNTY:

---On October 8 at Pastorius Reservoir, Susan Allerton reported Pectoral Sandpiper, Cassin’s Vireo, Woodhouse’s Scrub-Jay, 3 Ruby-crowned Kinglet, and Western Tanager.  On October 9 at Pastorius Reservoir, Susan Allerton and David Dunford reported Forster’s Tern, Bushtit, Juniper Titmouse, Woodhouse’s Scrub-Jay, 2 Ruby-crowned Kinglet, and Western Tanager.

LARIMER COUNTY:

---On October 7 at Wellington SWA, Andy Bankert and Nick Komar reported two mystery kingbirds.  One appears to be Cassin’s Kingbird and the other perhaps Couch’s.  On October 8 at Wellington SWA—Cobb Lake Unit, Andy Bankert, Nick Komar, and David Wade reported Common Loon, Cassin’s Kingbird and continuing mystery Kingbird (latest thought is that it is a possible hybrid), Marsh Wren, Rock Wren, 2 Ruby-crowned Kinglet, 15 American Pipit, 2 Lincoln’s Sparrow, 7 Orange-crowned Warbler.  On October 10 at Wellington SWA, Andy Bankert reported Northern Bobwhite, 300 Sandhill Cranes, Common Loon, 2 Cassin’s Kingbird, mystery Yellow-bellied Kingbird, Rock Wren, 3 Ruby-crowned Kinglet, 5 Mountain Bluebird, 3 Hermit Thrush, 2 Sage Thrasher, and 2 American Pipit.

---On October 8 at Rocky Mountain National Park, John Faber reported Northern Shrike.

---On October 8 at Horseshoe Reservoir, Nick Komar reported American Avocet, 2 Bonaparte’s Gull, Lesser Black-backed Gull, and 2 Great Egret.

---On October 8 at Timnath Reservoir, Nick Komar reported Sanderling.

---On October 9 at North Shields Pond NA, Doug Swartz reported Red-naped Sapsucker, 2 Ruby-crowned Kinglet, Hermit Thrush, and 3 Lincoln’s Sparrow.

---On October 11 at Greyrock Commons, Doug Swartz reported Ruby-crowned Kinglet , Hermit Thrush, and Brown Thrasher.

---On October 11 at Arapahoe Bend NA RIgden Reservoir (Strauss Cabin Lake) Jay Breidt reported Spotted Sandpiper and Sage Thrasher.

---On October 11 at Pleasant Valley and Lake Canal Greenbelt at W Lake St, Nick Komar and Andy Bankert reported juv Broad-winged Hawk, Bushtit, 18 American Pipit, 2 Orange-crowned Warbler, 2 Wilson’s Warbler, and Black-throated Green Warbler.

---On October 11 at Dixon Reservoir, Nick Komar reported 2 Bufflehead, Rock Wren, 7 Lincoln’s Sparrow, 3 Orange-crowned Warbler, and Palm Warbler.

MESA COUNTY:

---On October 8 at Colorado River SP—Fruita Section, Adam Cupito and Carol Ortenzio reported Red-naped Sapsucker, Hammond’s Flycatcher (banded), 2 Woodhouse’s Scrub-Jay, Brown Creeper, MacGillivray’s Warbler (banded), Chestnut-sided Warbler (banded). 

---On October 9 at Connected Lakes SP, Adam Cupito reported Woodhouse’s Scrub-Jay, 2 Ruby-crowned Kinglet, Nashville Warbler (recapture), Chestnut-sided Warbler (recapture), and 2 Townsend’s Warbler (banded).  On October 10 at Connected Lakes SP, Adam Cupito reported Woodhouse’s Scrub-Jay, Bewick’s Wren, 9 Ruby-crowned Kinglet, Hermit Thrush, Virginia’s Warbler (recapture), Chestnut-sided Warbler (recapture), 3 Wilson’s Warbler (banded).

---On October 9 at Horsethief Canyon SWA, Drew Kelly reported Cordilleran Flycatcher, 3 Woodhouse’s Scrub-Jay, Marsh Wren, Bewick’s Wren, 2 Ruby-crowned Kinglet, Hermit Thrush, and Brewer’s Sparrow.

---On October 9 at Grand Junction WA, Mike Henwood reported Gray Flycatcher, 4 Marsh Wren, Blue-gray Gnatcatcher, Hermit Thrush, 3 Lincoln’s Sparrow.  On October 10 at Grand Junction WA, Cory Atwood, Katey Buster, and Adam Cupito reported Gray Flycatcher, Blue-gray Gnatcatcher, 2 Marsh Wren, 3 Lincoln’s Sparrows, and Townsend’s Warbler.

---On October 11 at Highline Lake SP, Carol Ortenzio and David Price reported Bewick’s Wren, Blue-gray Gnatcatcher, 3 Mountain Bluebird, White-throated Sparrow, 2 Vesper Sparrow, Orange-crowned Warbler.

---On October 11 at Redland’s Parkway Ponds, Mike Henwood reported Blue-gray Gnatcatcher, Ruby-crowned Kinglet, 2 Green-tailed Towhee, 2 Orange-crowned Sparrow, 2 Wilson’s Sparrow.

---On October 11 at Connected Lakes SP, Mike Henwood reported 6 Cinnamon Teal.

MONTEZUMA COUNTY:

---On October 9 at (37.4590, -108.5262) in Dolores, Carol Bylsma reported juv Williamson’s Sapsucker and Hammond’s Flycatcher.

---On October 11 at Denny Lake Park, Jim Beatty reported Wilson’s Warbler.

MONTROSE COUNTY:

---On October 8 at Nucla Domestic Reservoir, Coen Dexter and Brenda Wright reported Dusky Flycatcher, Bewick’s Wren, 5 Ruby-crowned Kinglet, 5 Mountain Bluebird, and Vesper Sparrow.  On October 10 at Nucla Domestic Reservoir, Coen Dexter and Brenda Wright reported Williamson’s Sapsucker, 2 Woodhouse’s Scrub-Jay, Juniper Titmouse, Rock Wren, 8 Ruby-crowned Kinglet, 6 Mountain Bluebird, and Vesper Sparrow.

---On October 8 at Otter Ponds, Betty Fenton reported Horned Grebe.

---On October 9 at Cooper’s Ditch, Coen Dexter and Brenda Wright reported White-faced Ibis, 4 Ruby-crowned Kinglet, 47 Mountain Bluebird, American Pipit, and 3 Lincoln’s Sparrow.

---On October 11 at Nucla Water Treatment Plant, Coen Dexter and Brenda Wright reported 3 Orange-crowned Warbler.

---On October 10 at Dillon Reservoir, Frisco Marina, John Faber reported Osprey, Red-naped Sapsucker, 2 American Pipit, 4 Brewer’s Blackbird, and Common Grackle.

---On October 10 at Arapaho NF Breckenridge (39.5118, -106.0502) John Faber reported Ruby-crowned Kinglet, Orange-crowned Warbler, and Common Yellowthroat.

---On October 10 at Arapaho NF Breckenridge (39.4730, -106.0323) John Faber reported Steller’s Jay and Hermit Thrush.

TELLER COUNTY:

---On October 8 at Crystola ponds, Jan Allbright and Richard Bunn reported Double-crested Cormorant and Steller’s Jay.

WELD COUNTY:

---On October 8 at Idaho Creek, Steve Mlodinow reported 4 American Pipit, Clay-colored Sparrow, 4 Lincoln’s Sparrow, and Green-tailed Towhee.

---On October 11 at Crow Valley Campground, Dave Leatherman reported juv Swainson’s Hawk, ad m Red-naped Sapsucker, 7 American Crow, 5 Ruby-crowned Kinglet, 2 Hermit Thrush, Wilson’s Warbler, and Western Tanager.

DFO Field Trips 

For more details go to the DFO website

Chatfield State Recreation Center

Saturday, October 13

6:30 AM – 12:00 PM

Jared Del Rosso (jared.delrosso AT gmail.com; 617-275-6252)

Chatfield State Park, The Big Sit

Sunday, October 14

6:30 AM – 6:30 PM

Joey Kellner (vireo1 AT comcast.net; 303-978-1748)

Cherry Creek SP Wetlands Loop

Sunday, October 14

8:00 AM – 12:00 PM

Karen von Saltza (kvonsaltza AT yahoo.com; 303-941-4881)

Good Birding,

Joyce Takamine

Boulder