Many animals have a special ability to transform themselves, for the sake of survival, reproduction, or both.
Antarctica: The End of the Earth: Katabatic
Antarctica: The End of the Earth: Iceberg
Horses
Sled Dogs: An Alaskan Epic
Wisdom of the Wild
Inside the Animal Mind Part One: Are Animals Intelligent?
Humpback Whales
Inside the Animal Mind Part Two: Do Animals Have Emotions?
Inside the Animal Mind Part Three: Animal Consciousness
Cheetahs in a Hot Spot
Showdown at Grizzly River
Jackals of the African Crater
Obsession with Orchids
Earth Navigators
The Body Changers
Springs Eternal: Florida's Fountain of Youth
The Nature of Sex
Animal Attractions: Amazing Tales from the San Diego Zoo