J&R Reptile Wildlife Rescue/Relocation     |   home back to  Rattlesnakes of Arizona   ___________________________________________________________________________________ Great Basin Rattlesnake Description A yellowish colored snake. Most adults will have a dark brown or dark gray blotch saddle  pattern which are widely separated. Size The Great Basin Rattlesnake is a large sized snake. They can reach lengths of 3 feet and occasionally reach a length of 4.5 feet. Prey Great Basin's are a generalist feeder. Neonates will prey on lizards and small rodents. As adults they will prey upon rabbits, hares, squirrels, small prairie dogs, quail, dove, thrashers, frogs and toads. Habitat Distribution range