Every season of World's Deadliest Animals ever, ranked from best to worst by thousands of votes from fans of the show. The best seasons of World's Deadliest Animals!

Find out which species are among the deadliest twelve animals in: Costa Rica, the Amazon, Asia and the Asia Pacific.

The world is home to an array of creatures that have evolved to survive harsh environments and brutal competition. Find out which species are among the deadliest twelve animals in: Costa Rica, the Amazon, Asia and the Asia Pacific.

The Best Seasons of World's Deadliest Animals

The Best Seasons of World's Deadliest Animals