Rattlesnakes are an important and fascinating part of Californias wildlife. For those venturing outdoors in the Golden State, this app shows you how to distinguish a rattlesnake and how to identify the many species and subspecies that occur in the state. It also provides information about how to be safe in rattlesnake country and provides first aid tips in the event of a rattlesnake bite. Great photos and field guide information for the many rattlesnakes of the region.