Imperobator

What it was like

Imperobator was a feathered, two-legged hunter related to the raptors. It is known only from parts of the legs and feet, so its full size and shape are uncertain. It was first thought to be very large, but later studies suggest a more modest animal.

Its world

It lived about 72 to 66 million years ago, at the end of the Late Cretaceous, in Antarctica. The land there was forested then, and much warmer than today. Its bones come from the Snow Hill Island Formation, and other dinosaurs from the region include the armored Antarctopelta and the plant eaters Morrosaurus and Trinisaura.

How it was found

Ely and Case named Imperobator in 2019 from one find. It is one of very few meat-eating dinosaurs known from Antarctica.