A small, isolated population of common hippos (Hippopotamus amphibius) was present in the Upper Rhine Graben in southwestern Germany during the middle...
Paleontologists have redescribed a skull of the living species Hippopotamus amphibius recovered from a quarry called Cava Montanari at Tor di Quinto —...
A new study shows that the hippopotamus (Hippopotamus amphibius), an iconic African megaherbivore for which little is known about social communication,...