World's Oldest Known Bird: Photos

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


Thierry Hubin/IRSNB

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

Jonica Dos Remedios/Claude Desmedt/IRSNB

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

Masato Hattori

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

Jonica Dos Remedios/IRSNB

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