Micke Grove Zoo

SJGOV.org - How can we serve you today?

Visit S.J. County Parks & Recreation Website

Rosy Boa
Lichanura trivirgata

  • Habitat: desert, arid scrub, brushland, sandy plains, rocky slopes, and chaparral-covered foothills
  • Range: southwestern United States (California and Arizona) and northwestern Mexico (Baja and Sonora)
  • Natural Diet: Lizards, birds, rats, mice and other small mammals
  • Status in the Wild: Common (Least Concern)

 

Fun Facts

  • Rosy boas are nonvenomous and they do not bite in defense.

  • When they are startled, they usually coil into a ball.

  • These snakes can grow as long as 3.5 feet.

  • Their body coloring is highly variable with different morphs living and diverse habitats.

  • Rosy boas are nocturnal and are known to hide under rocks, stones and litter to avoid predators.

  • These boas are ambush predators. They hide under the sand and lie in wait for their prey to pass by. They pounce on their prey and pull it under the sand to suffocate it

  • They give birth to live young. There are usually six young in a brood.

 

 

Conservation Threats

Major threats to rosy boas in the wild are pet trade through over collecting and road mortality.  

 

 

Rosy Boa The rosy boa sports distinctive orangish-brown stripes

They have tapering heads, some having vivid brownish-orange stripes that run the lengths of their bodies

 

 

Distributional range in Mexico