At the time it was discovered, it weighed only 51 pounds. A healthy male emperor penguin usually weighs around 100 pounds. "The bird sort of turned at an angle, and I could see its backbone ...

Due to the fact that emperor penguins breed on the ice, they are believed to be one of the only bird species that can spend ...

From the cinematic dedication of emperor penguins marching across frozen lands to gentoo penguins offering pebbles as tokens of affection, these flightless birds seem to epitomize monogamy.

The inset displays the indexof global abundance of emperor penguins, representingthe number of adult birds in attendance at colonies during the springtime, calculated annually.Thenumber of emperor ...

These images from the Smithsonian Magazine Photo Contest show just why penguins have waddled into our hearts ...

If sea ice – a “stable platform [penguins] use to bring up their young” – “breaks up faster”, the birds are “in trouble”, Fretwell told BBC News. Emperor penguins normally respond ...

The organization also expressed fears for the possible disappearance of the species as scientists project that over 90% of emperor penguin colonies ... way under the birds' feet before their ...

Scientists find that 82 percent of birds-of-paradise species show biofluorescence, often on their feathers, throat or inner ...

A baby albatross chick might be a fan of pre-chewed food, but Alicia Silverstone found out regurgitation is unlikely to catch on with humans.

Emperor penguins breed and raise their chicks on land ... in the worst affected colonies gives us some hope that the birds can react to their changing environment and move to find more stable ...

Birds-of-paradise have some of the most famous mating displays in the world, but there's more to their colorful rhythmic gymnastics than initially meets the human eye.