Scaly-breasted Munia in Jamaica |
Scaly-breasted Munia in Jamaica |
Greater Scaup SY female (first cycle) |
Black Rosy-Finch (adult male) |
Lapland Longspur (winter) |
Lapland Longspur in Larimer County, Colorado |
Sharp-shinned Hawk in flight |
Bonaparte's Gull at Boyd Lake on 21 December |
Ross's Goose with Cackling Goose |
Iceland Gull (juvenile Kumliens) |
Photo by Scott Rashid |
Putative Vega Gull at Larimer Landfill, Colorado |
Vega (?) Gull at Horseshoe Lake |
"albertaensis" California Gull (?) at Lake Loveland |
Mew Gull in Colorado |
Late Franklin's Gull |
Mexican Duck in Loveland |
Possible juv. Vega Gull |
Mexican Duck in Wellington, Colorado |
Black Scoter (adult female) |
Mallard (Mexican intergrade) in Colorado |
Mew Gull in Colorado |
Franklin's Gull in November |
Rusty Blackbird (female) in Arizona |
Greater White-fronted Goose in Arizona |
Red-breasted Merganser (female) in Arizona |
Domestic Mallard or hybrid? |
Possible Mexican Duck (male) |
Magnificent Hummingbird (female) |
Possible Vega Gull (first cycle) |
Red-necked Grebe (adult molting) |
Western x Clark's Grebes |
"albertaensis" California Gull at Boyd Lake |
Mute Swan subadult (SY?) |
Mute Swan foot showing intact hallux |
Canvasback - pure or hybrid? |
Common Tern juv at Boyd Lake |
Forster's Tern juv at Boyd Lake |
Four LBBGs (3 ad, 1 2cy) at Horseshoe Lake |
Arctic Tern at Boyd Lake SP |
Common Tern (pale juv) at Boyd Lake SP |
Lesser Black-backed Gull (4th cycle) at Boyd Lake SP |
Long-tailed Jaeger at Boyd Lake SP |
Common Tern (adult) at Boyd Lake SP |
Arctic Tern (juv?) at Boyd Lake SP |
Common Tern HY 14 Sep 2014 Boyd Lake |
Arctic Tern imm. at Boyd Lake 14 Sep 2014 |
Arctic Tern imm. at Boyd Lake 14 Sep 2014 |
Calliope Hummingbird (HY male) |
Hairy Woodpecker (melanistic?) |
Orchard Oriole (immature male) |
Bushtit in Greeley, CO |
Richardson's Cackling Geese (late date) |
Snow Goose in Colorado (late date) |
American Bittern (displaying) |
Long-billed Dowitcher |
Summer Tanager in Weld County |
Swainson's Hawk (second-year) |
Bobolink |
Ash-throated Flycatcher |
Pine Warbler |
Glossy Ibis in Loveland, CO |
McCown's Longspur in Loveland, CO |
Clay-colored Sparrow with Lark Sparrows |
Lark Bunting (alternate male) |
Black-throated Gray Warbler 1May2014 Weld County, CO |
Dusky Grouse (adult male) |
Dusky Grouse (adult female) |
Dusky Grouse (subadult male?) |
Northern Goshawk (imm) |
Brown Thrasher |
Rusty Blackbird (adult, basic) |
Mew Gull (adult, basic) |
Mew Gull (adult, basic) |
Hybrid Cackling x Blue Goose |
California Gull (1st cycle) |
Thayer's Gull (1st cycle) |
Mew Gull (adult basic), digiscoped |
Mew Gull (adult basic), digiscoped |
LBBG 11162013 Horseshoe L Larimer CO NK.jpg |
Lesser Black-backed Gull (1st cycle) |
Possible Nelson's Gull (2nd cycle) |
California Gulls subspp. californicus (L) and albertaensis (R) |
California Gulls subspp. albertaensis (L) and californicus (R) |
Greater White-fronted Goose (2 adults) |
Blue Goose (adult) |
Possible hybrid Ross's x Snow Goose (juv) |
Bay-breasted (first fall male) |
Brant (gray-bellied form) |
Little Gull (imm) |
Brant (adult Gray-bellied) |
Surf Scoter (juv.) |
Red-necked Phalarope (non-breeding) |
American Golden-Plover (juv) |
Hammond's Flycatcher (basic immature) |
White-throated Sparrow (adult) |
Cape May Warbler (imm male) |
Broad-tailed Hummingbird |
Northern Parula (adult male) |
Townsend's Warbler (bright immature) |
Townsend's Warbler (dull immature) |
Western Wood-Pewee |
Bufflehead (female) |
Broad-tailed Hummingbird |
Rufous Hummingbird (juv. female) |
Ruby-throated Hummingbird? |
Ruby-throated Hummingbird? |
Ruby-throated Hummingbird? |
Cassin's Kingbird |
Ruby-throated Hummingbird? |
Ruby-throated Hummingbird? |
Broad-tailed Hummingbird (juv male) |
Broad-tailed Hummingbird (juv male) |
Broad-tailed Hummingbird (juv male) |
Rufous Hummingbird (juv) |
Clark's Nutcracker |
Cooper's Hawk (imm.) |
Rufous Hummingbird (ad fem) |
Rufous Hummingbird (fem) |
Broad-winged Hawk (adult) |
Hammond's Flycatcher (basic adult) |
Lesser Black-backed Gull with 3 California Gulls |
Mourning Warbler (imm female) |
Mourning Warbler (imm female) |
Calliope Hummingbird (juv) |
Laughing Gull (2nd cycle) |
Cassin's Kingbird (adult in pre-basic molt) |
Baltimore Oriole (ad male) |
Rufous Hummingbird (juv female) |
Black-chinned Hummingbird (ad fem on nest) |
Chestnut-collared Longspur (adult male, alternate) |
Eastern Downy Woodpecker in Fort Collins CO |
Downy Woodpecker (male Rocky Mountain race) |
Common Redpolls |
Long-eared Owl (sub-adult) |
Mew Gull (2nd cycle, digiscoped) |
Great Black-backed Gull (4th cycle, digiscoped) |
Lesser Black-backed Gull (dark 1st cycle) |
Lesser Black-backed Gull (1st cycle) |
Thayer's Gull (1st cycle) |
White-winged Crossbill (ad fem) |
White-winged Crossbill (ad male) |
Neotropic Cormorant subadult on 14 Aug 2009 |
Yellow-billed Loon in Colorado |
Pine Warbler (adult male) |
Brant at Fossil Creek Reservoir in Larimer County, CO |
Spot-breasted Oriole (Icterus pectoralis) |
Palm Warbler in Estes Park |
Brown Pelican in Colorado |
Brown Pelican in Colorado |
Brown Pelican in Colorado |
Brown Pelican in Colorado |
Brown Pelican in Colorado |
California Gulls at Horseshoe Lake, 21 Feb 2015 |
Scissor-tailed Flycatcher |