From the swamps of the Everglades to the shores of the Arctic and the deserts of Arizona — travel the nation for an in-depth look at the alligator, polar bear and Gila monster.
Biologists track New York's newest resident which a mix between a Coyote and a wolf. Also, camping in North Carolina bear country gets real for the Loehmann family.
Locals and tourists gather to see Pier 39's rowdy sea lions in the heart of San Francisco; Rhesus monkeys have taken over a slice of the sunshine state.