This episode is all about penguins. All penguins belong to the family Spheniscidae.Penguins are among the most bizarre and specialized birds in the world. Few other birds represent such a departure from what we think of as the standard avian model. The specializations of penguins\u2014their adaptations\u2014serve them very well for a life of diving deep into the ocean and of surviving in extreme cold.These birds are wonderful examples of how \u201clife finds a way\u201d\u2014how animals can evolve into radically diff...