Next airing Sun Feb 7, 7 a.m. ET


Explore the secret world of one of the most spectacular creatures on earth and one of the stars of the bird world: the hummingbird. They're among the smallest warm-blooded animals on earth, but despite their size they have enormous physical capabilities -- they can even fly backward! Using slow-motion cameras, Nat Geo WILD offers never-before-seen insight into their fascinating lives. Fly with them and discover there's more to these colorful, energetic and acrobatic creatures than meets the eye.