Discover strange facts about hummingbirds: bee hummingbirds, Anna's, ruby-throated, and the world's smallest birds with hovering flight, 80 wingbeats per...

Hummingbird wings beat 80 times per second and allow hovering, backward flight, and upside-down flight. Expert guide to the only birds that fly like helicopters.

Hummingbirds are the only birds that truly hover. Expert guide to their figure-eight wing stroke, 80-beat-per-second hovering, and extreme metabolism.

Explore the extraordinary world of hummingbirds. From hovering flight and 1,200 beats-per-minute heart rates to nightly torpor and iridescent plumage. Expert-written guide covering all 360+ species, migration, pollination ecology, and the biomechanics that make these the most extreme birds on Earth.

Everything about the ruby-throated hummingbird: size, migration, hovering flight, torpor, diet, reproduction, and the strange facts that make Archilochus colubris the most common hummingbird in eastern North America.

Everything about the bee hummingbird: size, Cuban habitat, diet, hovering flight, courtship, nest, conservation, and the strange facts that make Mellisuga helenae the smallest bird in the world.

Everything about Anna's hummingbird: Pacific Coast range, dive display, tail-feather squeak, structural pink gorget, winter torpor, diet, nesting, and the strange facts that make Calypte anna one of the most studied hummingbirds in North America.

Everything about the sword-billed hummingbird: size, Andean cloud forest habitat, Passiflora co-evolution, hovering flight, strange perching posture, and the facts that make Ensifera ensifera the only bird with a bill longer than its body.