Bill Walker:
Snow Goose
Bill Walker:
Eurasian Wigeon
Bill Walker:
Sunset
Bill Walker:
Sheep may safely graze
Bill Walker:
Sutter Buttes
Bill Walker:
Impressions of a Pheasant after sunset
Bill Walker:
Whiffling in for landing
Bill Walker:
Shrike with lunch
Bill Walker:
Ferruginous Hawk flyover