Paleontologists have unearthed and examined a fossilized leg bone of a phorusrhacid bird that lived 12 million years ago in South America.
A model of Paraphysornis...
Paleontologists have unearthed two fossilized phalanges of an ancient carnivorous bird on Seymour Island, Antarctica.
Paleoenvironmental reconstruction...
For the first time, footprints made by an extinct terror bird (family Phorusrhacidae) have been identified by paleontologists.
Holotype trackway of Rionegrina...