Cabeza Prieta Natural History Association
Sonoran Desert Reptiles
Bufo alvarius (Sonoran desert toad)
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Diet: insects, spiders, small lizards, scorpions, centipedes, mice, and smaller toads
Size: 4" to 7" |
Our largest western toad. Dark brown, olive, or gray above with smooth skin; long, kidney shaped parotoids; and prominent cranial crests. Several large warts on hind legs stand out conspicuously against smooth skin. Enlarged whitish wart near angle of jaw. Cream below. Nocturnal. Voice: Low pitched, resembling a ferry boat whistle. Hoots ½ - to about 1 second.
References
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