Hummingbird feeding in slow motion! | Evolve and Ascend

No bigger than a human thumb, the volcano hummingbird exists only in the Talamancas. "The Hummingbird Effect" premieres Wednesday, April 12 at 8/7c on PBS. [VID: No bigger than a human thumb, the volcano hummingbird exists only here in the Talamancas. She weighs barely as much as a penny and feeds in the shrubs on the tiny mountain flowers that suit her miniature bill. But her appetite is anything but small. She has to replenish 12,000 calories a day. The flowers release only a small serving of

With wings that beat up to 100 times per second, capturing video of the hummingbird's frenzied flight is a technical challenge. | National Geographic History

Hummingbird migration is ramping up at the West Texas Feeder Cam, and this morning's commotion highlights several species at the nectar feeder—including a bevy of Rufous Hummingbirds. Can you spot a few in this clip? In good light, male Rufous Hummingbirds glow like coals. They are bright orange or green on the back, with an orange belly, and a vivid iridescent-red throat. Females are green above with rufous-washed flanks, rufous patches in the green tail, and often a spot of orange in the throa