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Cabeza Prieta Natural History Association
Sonoran Desert Reptiles
Charina trivirgata (Rosy boa)



 Rosy boa

 Rosy boa

Diet: small mammals, reptiles, amphibians, and birds
Size: 17" to 44"

Heavy-bodied; head only a little wider than neck. Scales smooth and shiny. Eyes small, pupils vertical. No chin shields or large head plates, except on snout. Most common dorsal pattern is 3 longitudinal dark stripesí a middorsal, and 1 on each side, separated by pale interspaces. Depending on locality, color of stripes varies from nearly black, through brown, orange, rust, to reddish. Interspaces vary from steel blue, shades of gray, tan, yellowish, cream, to nearly white. Interspaces may be variously intruded with darker stripe color. Dorsal strpes may have even or irregular edges. Chiefly nocturnal. A good climber.

Live Bearing.


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