Crotalus

Crotalus is a genus that includes rattlesnakes, a group of venomous snakes found mainly in the Americas. They are known for their distinctive rattles at the tail's end, which they use as a warning when threatened. Rattlesnakes possess hinged fangs that deliver venom capable of immobilizing prey and aiding digestion, but bites to humans are rarely fatal if treated promptly. They play a vital role in controlling rodent populations and are generally reclusive. Crotalus snakes vary in size and coloration, adapting to many habitats from deserts to forests.