bird

Most known bird extinctions have happened on islands, where populations are small and ill prepared for new threats, such as hunting, introduced predators, and diseases.

Since the 1500s, only two bird species in the Western Palaearctic, a vast area spanning North Africa to polar regions, were considered to have gone extinct.

Hsiao’s ceramics are sweet and quirky — tiki cups, Japanese daruma wishing dolls, tiny creatures and bird pitchers and creamers.

The H5N1 bird flu is now circulating in poultry, cows, and pigs.

For the study, the researchers used X-ray videos of a present-day bird -- a helmeted guineafowl -- to precisely measure the knee-joint poses of the bird.