Birds

The flightless Aldabra rail went extinct 136,000 years ago when its atoll home sank beneath the waves. Then it evolved again.

A scientist scoured satellites for signs of unreported Emperor penguin colonies and made a shocking discovery.

Loggerhead shrikes can kill prey bigger than themselves by stabbing and shaking them, before impaling them on sticks to eat later.

This green honeycreeper has male plumage on one half of its body and female plumage on the other half.

Over the past six years, Danish photographer Søren Solkær has followed huge flocks of starlings, known as murmurations, across Europe to film and photograph their breathtaking aerial acrobatics.

The penguins accrue 11 hours of cumulative sleep a day from a bizarre adaptation that enables them to doze as they guard their nests.

First of its kind footage captured for National Geographic's "Incredible Animal Journeys" shows a barn swallow caught in a sandstorm as part of its migration through the Sahara Desert.

Fossilized bird tracks discovered in Australia show these ancient creatures lived in the southern polar regions on the supercontinent of Gondwana.

The British Antarctic Survey detected cases of highly pathogenic bird flu in seabirds on Bird Island, located in the Antarctic region in the South Atlantic.

By analyzing how birds migrated across the U.S. over a 23-year period, researchers have shown that solar weather events can seriously disrupt the navigation of the wandering avians.