 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 |