Category:
Subcategory:
Subcategory Detail:
Keywords:gastornis, flightless bird, ornithology, Paleocene, Eocene, giant, bird, prehistoric, raptor, G. giganteus, huge, talons, feathers, biology, Diatryma, dinosaurs, terror birds, phorusrhacids, beaks, wings, cassowary, plumage, scales, predator, ostrich, Gastornithidae, fossils, bones, paleontology, illustration
