The diversity of habitats within the wilderness area maintains a variety of indigenous fauna, including a number of rare or endangered species.
The most numerous large animal is the mule deer.

Species of special concern on Otay Mountain include: 
California gnatcatcher
Orange-throated whiptail
Coast horned lizard
The diversity of habitats within the wilderness area maintains a variety of indigenous fauna, including a number of rare or endangered species. The most numerous large animal is the mule deer.
Species of special concern on Otay Mountain include: 
California gnatcatcher
Orange-throated whiptail
Coast horned lizard
Otay Mountain Wilderness