Peter Wilton:
Spotted Owl
Peter Wilton:
Botteri's Sparrow
Peter Wilton:
Buff-collared Nightjar
Peter Wilton:
Lilian's Meadowlark
Peter Wilton:
Mexican Whip-poor-will
Peter Wilton:
Black-tailed Gnatcatcher
Peter Wilton:
Black-throated Sparrow
Peter Wilton:
Abert's Towhee
Peter Wilton:
Anna's Hummingbird
Peter Wilton:
Burrowing Owls (juveniles)
Peter Wilton:
Lilian's Meadowlark
Peter Wilton:
Rock Wren
Peter Wilton:
Gray Hawk
Peter Wilton:
Gambel's Quail
Peter Wilton:
Five-striped Sparrow
Peter Wilton:
Gray Hawk
Peter Wilton:
Gila Woodpecker
Peter Wilton:
Summer Tanager
Peter Wilton:
Bell's Vireo (Western, subsp. arizonae)
Peter Wilton:
Hooded Oriole (Western)
Peter Wilton:
Common Ground-dove