[Audio of rattlesnake rattle.] The warning of a rattlesnake. Now, just because a rattlesnake's tail sounds like a built-in maraca doesn't mean it works like one. There are no beads rattling about ...

Rattlesnakes are venomous pit vipers native to the Americas, with 33 species identified by their distinct tail rattle. They thrive in arid environments and are mainly nocturnal. Rattlesnakes play ...