Widely considered most toxic rattlesnake in U.S.

onset of serious signs and symptoms can ...ity of the bite

Firstaid depends on which kind bit you. Seek some info.
They have a hemotoxin & neurotoxin venom mix. It is the neurotoxin which is different & wicked.

Like most dangerous critters, you'll be lucky to see one, however, they like to rest on hiking trails (clear & smooth), they don't retreat nor do they rattle as much as other rattler species.

considered 10 times more toxic than othe... United States.