San Bernardino County Website | Home   
San Bernardino County Museum Header Image
San Bernardino County Museum Logo



Western Patch-nosed Snake
(Salvadora hexalepis)


The Western Patch-nosed Snake is a medium sized snake that bears a large patch-like rostral scale at the tip of its snout. This snake is found in desert scrub, grassland, chaparral, sagebrush plains, and pinyon-juniper woodlands in the southwestern United States south into Baja California and Mexico, from below sea level to 7,000 feet. There are 4 races of Western Patch-nosed Snake. The local race is the Coast Patch-nosed Snake (S. h. virgultea) and is largely restricted to coastal sage scrub, including alluvial fan sage scrub.

Status: The Coast Patch-nosed Snake (S. h. virgultea) is a California Species of Special Concern
Habitat: Desert scrub, grassland, sagebrush plains, chaparral, and pinyon-juniper woodland
Diet: Small mammals, lizards, reptile eggs, and nestling birds
Breeding Season: May through August
Typical number of eggs per clutch: 4-12
Adult mean* snout-vent length: 53.9 cm
Adult active period on the Preserve: May through September
Hatchling mean* snout-vent length: 24.6 cm
Hatchling active period on the Preserve: September through October (see graph)

*mean measurement of individuals captured in the San Bernardino Valley by Museum researchers


 Back to Amphibians and Reptiles of the Etiwanda Fan


Plant Communities of the Etiwanda Fan
Amphibians and Reptiles of the Etiwanda Fan
Birds of the Etiwanda Fan
Mammals of the Etiwanda Fan

San Bernardino County Museum - (909) 307-2669 - 2024 Orange Tree Lane, Redlands, California 92374

© 2005 San Bernardino County Museum
The information contained in the following pages was valid at the time of publication. The County of San Bernardino, Museum Department reserves the right to make changes and improvements at any time and without notice, and assumes no liability for damages incurred directly or indirectly as a result of errors, omissions or discrepancies. Please contact the webmaster with comments or suggestions.