Bill Walker:
Portrait of the artist
Bill Walker:
Northern Flicker
Bill Walker:
Burrowing Owl
Bill Walker:
Western Screech-Owl
Bill Walker:
Pyrrhuloxia (Cardinalis sinuatus)
Bill Walker:
Steller's Jay
Bill Walker:
Cedar Waxwing
Bill Walker:
Anna's Hummingbird
Bill Walker:
American Dipper
Bill Walker:
Say's Phoebe