Animals

World's Oldest Known Bird: Photos

See photos and illustrations of Aurornis xui, which has displaced Archaeopteryx as the world's first known bird.

The skeletal remains of Aurornis xui date to the Middle to Late Jurassic period.

Skeleton and reconstruction of Aurornis xui, the world's oldest known bird.

A reconstruction of Aurornis xui, envisions the bird having grey-toned feathers, with distinctive markings on its wings and legs.

An alternate reconstruction of Aurornis xui envisions the bird as brown-feathered and fierce.