Herp Gallery.
At the Arizona-Sonora Desert Museum, Tucson, Arizona.
Please click any photo in the set for enlarged views.
Herp Gallery.
At the Arizona-Sonora Desert Museum, Tucson, Arizona.
Please click any photo in the set for enlarged views.
Lézard du Jour: Desert grassland whiptail (Aspidoscelis uniparens), a wild denizen of the Arizona-Sonora Desert Museum, Tucson, Arizona.
Please click photo for full view.

Lézard du Jour: Desert grassland whiptail (Aspidoscelis uniparens), a wild denizen of the Arizona-Sonora Desert Museum, Tucson, Arizona.
Please click photo for full view.
Hummingbird Gallery: Anna’s hummingbirds (Calypte anna) at the Arizona-Sonora Desert Museum, Tucson, Arizona.
Please click any photo in the set for enlarged views.
Hummingbird Gallery: Anna’s hummingbirds (Calypte anna) at the Arizona-Sonora Desert Museum, Tucson, Arizona.
Please click any photo in the set for enlarged views.
Green.

Green.
Young spinytail iguana (Ctenosaura sp.), at the Arizona-Sonora Desert Museum in Tucson, Arizona.
These iguanas are a genetic cross between two
Sonoran Desert
species that do not occur naturally in Arizona; the hybrids were introduced on the museum grounds in the 1970′s. They lose their bright green coloring as they mature.

Young spinytail iguana (Ctenosaura sp.), at the Arizona-Sonora Desert Museum in Tucson, Arizona.
These iguanas are a genetic cross between two
Sonoran Desert
species that do not occur naturally in Arizona; the hybrids were introduced on the museum grounds in the 1970′s. They lose their bright green coloring as they mature.
Pipevine swallowtail caterpillar (Battus philenor) on pipevine (Aristolochia querectorum), at the Arizona-Sonora Desert Museum, Tucson, Arizona.