Kestrels are known as wind hoverers because of the birds' ability to hang motionless in the air. Sir David Attenborough shows us, using slow motion photography, details of their flying technique that we can't see with the naked eye. "Attenborough's Life Stories: Life on Camera " premieres Wednesday, January 23 at 8/7c.
Military looks to albatross for aircraft design and sea otters fight climate change by snacking on sea urchin.
Cloned horses may compete in future Olympic games, the valuable role wasps play in wine production, and a new study shows that monkeys notice when others make mistakes.
An 80-year-old lobster is saved from restaurant fate, bees clue us in to "anti-aging" chemical, and a new study suggests atmospheric temperature may impact beak size of birds.
Efforts to get an orangutan to quit smoking, new species of frog named after Prince Charles, Floridians protest release of genetically-modified mosquito, fruit flies learn arithmetic, and yet another feathered-dinosaur find.
Lichen survive outer space (and what that might say about how life on earth began), genetic research suggests dolphins are second in intelligence to modern humans, new dinosaur bird ancestor discovered in Argentina, and more of this week's top nature stories.
This week's dirt: Trees pop up in the Tundra, dinosaurs not quite as bulky as previously thought, report connects the sizing down of insects with bird evolution, melting arctic could mean colder winters for those in the Northern Hemisphere, and more.
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.