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.

Cast:none

Genre:Documentary,

country:United States of America, Hong Kong, Malaysia, New Zealand, United Kingdom,

Production:National Geographic,