These large, carnivorous, flightless birds, known scientifically as Phorusrhacidae, were among South America’s top predators during the Cenozoic Era. Standing between 3 and 6.6 feet tall and ...

Non-human primates are widespread in Africa, Asia, and South America but occupy only limited ... Covert, H.H. Biology of early Cenozoic primates. In Comparative Primate Biology, Systematics ...