Robert Epstein: White-tailed Ptarmigan 74-Edit
Robert Epstein: White-tailed Ptarmigan 14-Edit
Robert Epstein: Swainson's Hawk 5
Robert Epstein: Burrowing Owl 1
Robert Epstein: Steller's Jay 8
Robert Epstein: Black-billed Magpie 1
Robert Epstein: Violet-green Swallow 64
Robert Epstein: Violet-green Swallow 9
Robert Epstein: Mountain Chickadee 13
Robert Epstein: American Pipit 3
Robert Epstein: MacGillivary's Warbler 3
Robert Epstein: Wilson's Warbler 2
Robert Epstein: Green-tailed Towhee 16
Robert Epstein: Spotted Towhee 14
Robert Epstein: Lark Sparrow 2
Robert Epstein: Lark Bunting 6-Edit
Robert Epstein: Lincoln's Sparrow 8
Robert Epstein: White-crowned Sparrow 3
Robert Epstein: Western Tanager 3
Robert Epstein: Western Meadowlark 4-Edit
Robert Epstein: Anise Swallowtail 2
Robert Epstein: Western Tiger Swallowtail 7
Robert Epstein: Silvery Blue 1
Robert Epstein: Rocky Mountain Dotted-Blue 1
Robert Epstein: Mormon Fritillary 1-2
Robert Epstein: Common Ringlet 1
Robert Epstein: Hoary Comma 5
Robert Epstein: Thicket Hairstreak 1
Robert Epstein: Common Alpine 5
Robert Epstein: Mottled Duskywing 4