Bob Walker (NM):
Acorn Woodpecker (Female) (7226)
Bob Walker (NM):
Acorn Woodpecker (Male) (6093)
Bob Walker (NM):
Acorn Woodpecker (Male) (9768)
Bob Walker (NM):
American Crow Portrait (1657)
Bob Walker (NM):
American Goldfinch (0948)
Bob Walker (NM):
American Goldfinch (1446)
Bob Walker (NM):
American Goldfinch (2011)
Bob Walker (NM):
American Goldfinch (2434)
Bob Walker (NM):
American Goldfinch (3636)
Bob Walker (NM):
American Goldfinch (Female, Cherry Branch) (5717)
Bob Walker (NM):
American Goldfinch (M) (5023)
Bob Walker (NM):
American Goldfinch (Male) (9444)
Bob Walker (NM):
American Goldfinch (Male, spring molt) (4483)
Bob Walker (NM):
American Goldfinch and Pine Siskin, reflected (9942)
Bob Walker (NM):
American Goldfinch defends Seed from Pine Siskin (9714)
Bob Walker (NM):
American Robin (1177)
Bob Walker (NM):
American Robin (2674)
Bob Walker (NM):
American Robin (3458)
Bob Walker (NM):
American Robin (4357)
Bob Walker (NM):
American Robin (5942)
Bob Walker (NM):
American Robin Bathing (1187)
Bob Walker (NM):
American Wigeon (6239)
Bob Walker (NM):
American Wigeon (7447)
Bob Walker (NM):
Ash-throated Flycatcher (5844)
Bob Walker (NM):
Ash-throated Flycatcher (5896)
Bob Walker (NM):
Audubon's Warbler (4162)
Bob Walker (NM):
Bay-breasted Warbler (8667)
Bob Walker (NM):
Bay-breasted Warbler (9827)
Bob Walker (NM):
Black Phoebe (0091)
Bob Walker (NM):
Black Phoebe (5837)
