Hummingbirds are the tiniest of birds, yet they are some of the toughest, most energetic creatures on the planet. Their unique flying abilities give them unmatched maneuverability, but at the cost of a supercharged metabolism that keeps them on the edge of survival. Hummingbirds spend most their lives in fast forward, but now high-speed video lets us enter their world. Buy the DVD. This film premiered January 10, 2010.