Eastern Diamondback Rattlesnake (Crotalus adamanteus). While the Eastern Diamondback Rattlesnake is primarily found in the southeastern United States, it also extends into the northeastern regions of Mexico. This venomous snake is known for its potent venom and large size, making it one of the most dangerous snake species in the region.
The venom of the Eastern Diamondback Rattlesnake contains powerful hemotoxins, which can cause tissue damage, disrupt blood clotting, and lead to other systemic effects. Its venom can be life-threatening if not promptly treated. However, it's important to note that snakebite incidents are relatively rare, and encountering venomous snakes in Mexico is uncommon in most areas. It's always advisable to exercise caution and seek medical attention immediately in the event of a snakebite.