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Cabeza Prieta Natural History Association
Sonoran Desert Reptiles
Crotalus tigris (Tiger rattlesnake)



 Tiger rattlesnake

Diet: rodents, birds, lizards
Size: 20" to 36" (50 to 91 cm)

Identification: 18 - 36 in. (46-91 cm). Back with irregular cross bands ("tiger" markings) of gray or brown: composed of dark dots and often with vague borders. Generally more extensively cross banded than other western rattlesnakes. Head small, rattle large. Ground color gray, bluish gray, pink, lavender, or buff, becoming pale orange or cream on sides. Tail rings usually indistinct because of darkened light rings. Scales keeled, in 23 rows. East lizards and small mammals (kangaroo rats, pocket mice, deer mice, and often wood rats).


Excerpts from A FIELD GUIDE TO WESTERN REPTILES AND AMPHIBIANS, 3/e by Robert C. Stebbins. Copyright (c) 2003 by Robert C. Stebbins. Reproduced by permission of Houghton Mifflin Company. All rights reserved.

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Natural History of the Sonoran Desert and Refuge