Arroyo toad (Bufo californicus) 

BBI Has studied the Arroyo Toad throughout the Southern California including ....

Orange County 

• San Juan creek
• La Paz Creek
• Gabiao Creek
• Santiago Creek 
• Christianites creek (San Diego County)
• Silvando Creek

San Diego County

• Santa Maguter River
• San Mateo Creek
• San Onofre Creek
• Pine Creek
• San Louis Rey River

San Bernardino County

• Mojave River (upper)

Los Angeles County - Ventura

• Santa Clara River