Gastornis (Terror Bird). An Illustration Of Gastornis, An Extinct Genus Of Large Flightless Birds That Lived During The Late Paleocene And Eocene Epochs Of The Cenozoic Era. They Grew To A Height Of 6.6 Feet.

KEYWORDS

animal beaks biology bird birds bones carnivore carnivorous cassowary cenozoic diatryma dinosaur dinosaurs eggs eocene epochs era extinct extinction feather feathers feet fighting flightless fossils gastornis gastornithidae genus giant giganteus grew height huge illustration large late lived miocene nature nest ornithology ostrich paleocene paleontology phorusrhacids phorusrhacos plumage predator prehistoric prey raptor scales talons territory terror wings