Giant flightless bird Phorusrhacos attacking hadrosaurid ornithopod dinosaur 插畫檔

Genus of hadrosaurid ornithopod dinosaurs of the Late CretaceousBrontornis is an extinct genus of giant bird that inhabited Argentina during the Early to Middle Miocene. Its taxonomic position is highly controversial, with authors alternatively considering it to be a cariamiform, typically a phorusrhacid (terror bird) or an anserimorph.Phorusrhacos is an extinct genus of giant flightless terror birds that inhabited South America during the Miocene epoch. Phorusrhacos was one of the dominant land predators in South America at the time it existed.Original edition from my own archivesSource : 1896-97 NATURA ED ARTE