waltman david:
Arizona Sonora Desert Museum
waltman david:
Black-tailed Rattlesnake
waltman david:
Black-tailed Rattlesnake
waltman david:
Anna's Hummingbird (male)
waltman david:
Anna's Hummingbird (male)
waltman david:
Broad-billed Hummingbird (Female)
waltman david:
Broad-billed Hummingbird (Immature Male)
waltman david:
Broad-billed Hummingbird (Male)
waltman david:
Broad-billed Hummingbird (Male)
waltman david:
Black-chinned Hummigbird (Female)
waltman david:
Black-chinned Hummigbird (Immature Male)
waltman david:
Black-chinned Hummigbird (Male)
waltman david:
Black-chinned Hummigbird (Male)
waltman david:
Blue-throated Hummingbird (Female)
waltman david:
Blue-throated Hummingbird (Male)
waltman david:
Blue-throated Hummingbird (Male)
waltman david:
Blue-throated Hummingbird (Male)
waltman david:
Blue-throated Hummingbird (Male)
waltman david:
Blue-throated Hummingbird (Male)
waltman david:
Black-throated Sparrow
waltman david:
Bridled Titmouse
waltman david:
Bushtit (Male)
waltman david:
Bushtit (Female)
waltman david:
Canyon Towhee
waltman david:
Curve-billed Thrasher
waltman david:
Cooper's Hawk (Juvenile)
waltman david:
Costa's Hummingbird (female)
waltman david:
Costa's Hummingbird (Female)
waltman david:
Costa's Hummingbird (Female)
waltman david:
Costa's Hummingbird (Juvenile Male)