At the Desert Museum
The Mohave rattlesnake may be the most dangerous venomous snake in the Sonoran Desert. Quick to go on the defensive, the Mohave has very toxic venom that has caused human fatalities. Venom toxicity varies among different populations.Mohave rattlesnake: The Mohave is active primarily at night from February to November. Unlike most rattlesnakes, which usually hibernate in larger groups, the Mohave hibernates singly or in pairs or trios in rodent burrows.