Record-Breaking Mojave Rattlesnake Discovery

Physical Characteristics:

Recognizable by its hefty physique, large triangular head, and distinct scales. Coloration varies from greenish-gray at higher elevations to brown or yellow in lower habitats.

Survival Tactics:

Active from April to September, primarily nocturnal. Seeks shelter in rodent burrows or beneath rocks during daylight. Breeds from July to September, giving birth to live young. Prefers solitude and warns intruders with tail shaking

Range and Diet:

Found beyond the Mojave Desert, inhabiting regions from California to Texas and into Mexico. Prefers open, arid landscapes near scrub brush, cactus, or grassy plains. Carnivorous diet includes toads, birds, mice, rats, and rabbits.


Among the world’s most potent rattlesnake venoms, combining neurotoxic and hemotoxic elements. Rarely fatal due to available antivenom. Contains two types of venom, A and B, each with distinct effects on humans.

Lifespan & Conservation:

Average lifespan of 12.5 years, up to 20 years in captivity. Classified as Least Concern on the IUCN Red List, with a robust population due to wide distribution. Largest recorded specimen measured 4.5 feet in length.

The Mojave rattlesnake continues to intrigue with its adaptive traits and potent venom, highlighting its role in ecosystem balance. The discovery of the largest specimen underscores the ongoing mysteries.