Date: 10/29/17 3:46 am
From: Rebecca <kostenrebecca...> [cobirders] <cobirders-noreply...>
Subject: [cobirders] Colorado Rare Bird Alert for October 29, 2017
Hello cobirders,

Our report is called Rare Bird Alert because search engines find it better. The report is really "Uncommon Bird Report" Not all uncommon birds are rare birds. Birders may want to know where to see them anyway!
Without being a member, "cobirders" can be read at:
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Report Uncommon Birds at: 303-324-7994 or http://coloradobirdingsociety.net

NOTE: Reports do not confirm sightings. Choose to chase at your own risk and expense.!
NOTE: To reduce length of report, only recent sightings listed; visit Colorado Birding Society's website everyday for additional sightings!

Reports added: 10/28/2017
Adams (Surf Scoter)
Arapahoe (Bonaparte's Gull)
Boulder (Yellow-throated Warbler, Harris's Sparrow, Loon species)
Denver (Red-throated Loon, Common Loon)
El Paso (Lewis's Woodpecker, White-throated Sparrow)
Jackson (Tundra Swan, Pectoral Sandpiper, Common Loon, Greater Scaup, Bonaparte's Gull)
Jefferson/Douglas (Common Loon, Townsend's Warbler)
Larimer (Bonaparte's Gull)
Pueblo (Blue-headed Vireo, Common Loon, Bonaparte's Gull, Lesser Black-backed Gull, Surf Scoter)
Weld (Bonaparte's Gull, Red-necked Grebe, Common Loon)

FRONT RANGE AND NORTHEASTERN COLORADO

Adams County
++++McKay and 100th Avenue Ponds
Surf Scoter (3) --just north of water treatment plant (Adam Vesely) first 10/28
++++Barr Lake
Common Loon (Bart Deferme) first 10/27

Arapahoe County
NOTE: Pinyon Jay reported 10/27 turns out to be a Woodhouse's Scrub-Jay (Stevens, 10/28), photo on recent witness photo link on website

++++Aurora Reservoir Area
Bonaparte's Gull (Stevens:Kosten) first 10/28

Boulder County
++++County (Tundra Swans NOT found; Stevens:Michaels 10/27: Sombrero Marsh, Baseline Reservoir, Boulder Reservoir, Valmont Reservoir,
Walden Ponds, Sawhill Ponds, White Ranch Pond, Teller Lakes, Prince Lake #2, Erie Reservoir, Lagerman Reservoir, Terry Lake)
++++Kittredge Pond
Yellow-throated Warbler (Nick Moore/Nathan Pieplow) (first 10/27) last 10/28
(pines between the Fiske Planetarium and the Speech Language Hearing Services building)
++++Twin Lakes Open Space
Harris's Sparrow (Leslie S) (first 10/27) last 10/28
++++Valmont Reservoir
Loon species (6) (Jeff Parks) first 10/28
++++Lagerman Reservoir
Bonaparte's Gull (Stevens:Michaels) first 10/27

Denver County
++++Marston Reservoir
Red-throated Loon (Doug Kibbe/Stevens:Kosten) (first 10/23) last 10/28
Common Loon (4) (Kibbe/Stevens:Kosten) (first 10/23) 2; last 10/28
Surf Scoter (Glenn Walbek) first 10/27

Douglas County
++++Castlewood Canyon Road
Western Bluebird (2) --south of State Park (Stevens) last 10/26

El Paso County
++++Aiken Canyon Preserve
Lewis's Woodpecker (David Tonnessen) first 10/28
++++Fountain Creek Regional Park
White-throated Sparrow (John Bruder) first 10/28
++++Red Rock Canyon Open Space
White-throated Sparrow (Jim Merritt) first 10/27
++++Cheyenne Mountain Zoo
Common Poorwill (late) (Heidi Eaton) first 10/26

Jefferson County
++++Wheat Ridge Greenbelt
Surf Scoter --Tabor Lake (Andy Knolla/Terry Michaels) (first 10/17) last 10/26
++++Reynolds Park
American Three-toed Woodpecker (Stevens & all) last 10/23
(north of interserction of Oxen Draw, Raven's Roost & Eagle's View trails)
Dusky Grouse (2) (Stevens) (first 3/17) 1; last 10/23
(Above unless stated: Eagle's View Trail, south of old service road)
Northern Pygmy-Owl --Songbird trail (Stevens & all) last 10/23

Jefferson/Douglas County
++++Chatfield Reservoir area
Common Loon (Steven Snyder) first 10/28
Townsend's Warbler (Celia Greenman) first 10/28
White-faced Ibis (late (Peter Pereira/Pam Zimmer) (first 10/25) last 10/26

Larimer County
++++Douglas Reservoir
Bonaparte's Gull (3) (John Shenot) first 10/28
++++Lake Loveland
Greater White-fronted Goose (Norm Lewis) first 10/27
Lesser Black-backed Gull (Christine Sparks/Norm Lewis) (first 10/14) 1; last 10/27

Pueblo County
++++Pueblo Reservoir
Blue-headed Vireo (Percival:Van Truan) first 10/28
(below Dam, by footbridge that goes from Snakeskin Picnic to Swim Beach
Common Loon (5) (Percival) 6; last 10/28
Bonaparte's Gull (3) (Percival) (first 10/24) 5; last 10/28
Lesser Black-backed Gull (2) (Percival:Van Truan) last 10/28
Surf Scoter (8) (Percival/David Tonnessen) (first 10/24) 2; last 10/28
Long-tailed Duck (Percival) first 10/27
Red-necked Grebe (Percival) (first 10/25) last 10/27
Common Tern (Percival) last 10/27
Curve-billed Thrasher (Percival) last 10/27

Weld County
++++Luna Reservoir
Bonaparte's Gull (Nathan Pieplow) first 10/28
++++Union Reservoir
Red-necked Grebe --northwest corner (Luke Pheneger/Bill Prather) (first 10/17) last 10/28
Common Loon (Bill Prather) first 10/28
Bonaparte's Gull (3) (Mlodinow:Pheneger/Sue Riffe) (first 10/17) 1; last 10/27

NORTHEASTERN COLORADO

Yuma County
++++Bonny Reservoir Area
Red-bellied Woodpecker --Wagon Wheel Campgrounds (Norm Lewis) last 10/25
Sprague's Pipit --Pipit Hill (Richard Stevens/Norm Lewis) (first 9/21) 1; last 10/25
Eastern Screech-Owl --Hale Ponds (Washburn) last 10/19
Eastern Screech-Owl (2) --Republican River/east/hwy 385 (Washburn) last 10/19
Long-eared Owl --foster's grove (Washburn) last 10/19

WESTERN COLORADO

Clear Creek County
++++Guanella Pass
White-tailed Ptarmigan (6) (Stevens & all) last 10/21

Jackson County
++++Eighteen Islands Reservoir
Tundra Swan (2) (David Dowell) reported 10/28
Pectoral Sandpiper (Dowell) first 10/28
++++Walden Reservoir and area
Common Loon (David Dowell) first 10/28
Greater Scaup (2) (David Dowell) first 10/28
Pectoral Sandpiper (2) (Dowell) first 10/28
Bonaparte's Gull (Dowell) first 10/28

La Plata County
++++Vallecito Reservoir
White-throated Sparrow (Jason St. Pierre) first 10/26

Mesa County
++++Highline Lake State Park
Common Loon (adult, 1st year) (Henwood:Raker/Denise & Mark Vollmar) (first 10/16) 2; last 10/25
++++Grand Junction Wildlife Area
Western Screech-Owl (Carol Ortenzio) last 10/24
White-throated Sparrow (Carol Ortenzio) last 10/24

Montezuma County
++++McPhee Reservoir
White-winged Scoter (Dexter:Wright) first 10/24
Surf Scoter (Dexter:Wright) first 10/23
Common Loon (2) (Dexter:Wright) first 10/23

Ouray County
++++Orvis Hot Springs
White-winged Crossbill (2) (Ira Sanders) reported 10/24

Park County
++++Eleven Mile Reservoir
Common Loon (M.OB.) first 10/23
++++Wade Elk Lodge
Brown-capped Rosy Finch (3) (Alec Oliver) (first 10/21) 2; last 10/23

Routt County
++++Lake Catamount
Greater Scaup (JoAnn Riggle/Tresa Moulton) (first 10/22) 2; last 10/24
Barrow's Goldeneye (JoAnn Riggle/Tresa Moulton) (first 10/22) 2; last 10/24

San Miguel County
++++Miramonte Reservoir
Surf Scoter (15) (Eric Hynes/Dexter:Wright) (first 10/22) 3+, last 10/23
White-winged Scoter (5) (Dexter:Wright) first 10/23

good birding!

Directions to birding spots and maps on CoBus website:
http://coloradobirdingsociety.net

Rebecca Kosten, President, Colorado Birding Society
Denver, Colorado
Contact CoBus/Report Interesting Birds: 303-324-7994
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