Penguins: Spy in the Huddle | Episode 1 | The Journey
Emperor penguins cross a treacherous frozen sea to reach their breeding grounds. Rockhoppers brave the world’s stormiest seas only to come ashore and face a daunting assault up a 300-foot cliff, hopping most of the way up. Tropical Humboldt penguins negotiate predatory sea lions and vampire bats to reach their desert nests.
Expired: 10/24/14Video has closed captioning.