Ultimate Crocodile Format:DVD of all things

of all things

from the frozen wildernesses to the densest jungles

a terrifying virus transforms people into "hybrids

and a full color inserted booklet with essay by Tom Weaver

Ultimate Crocodile Format:DVD of all thingsThe giant saltwater crocodile, the "saltie," is perhaps the most successful predator the world has ever seen. It has survived unchanged for 100 million years. National Geographic uncovers the secrets of this ultimate predator, which has the most powerful jaws since T rex, the most complex heart in the animal kingdom and a brain with unexpected intelligence. Examine the remarkable features of the croc from its finely tuned pressure sensors used to