Kryptonite Production

This prehistoric relative of living ducks had a long neck, tall legs, webbed feet, and a duck-like head. Based on fossil evidence, scientists think that these extinct birds nested together in large colonies at the edge of lakes. No one knows if they quacked.

Psilopterus australis is an extinct species of terror bird (family Phorusrhacidae) that lived in South America. It is often considered a synonym of Psilopterus