In the rivers are rhinoceros, hippopotamus and crocodile.
In this connexion it is of interest to note that, both in the Mediterranean islands and in West Africa, dwarf elephants of the African type are accompanied by pigmy species of hippopotamus, although we have not yet evidence to show that in Africa the two animals occupy actually the same area.
The valley between Incisa and Arezzo contains accumulations of fossil bones of the deer, elephant, rhinoceros, mastodon, hippopotamus, bear, tiger, and more.
Still, the close relationship of the existing Liberian pigmy hippopotamus to the fossil Mediterranean species is significant, in relation to the foregoing observations on the elephant.
Hippopotamus, otter and the wild boar are numerous; a species of wild ox of small size with black horns and very agile is also found.
The hippopotamus, manatee, crocodile and beaver are found in the rivers, and both land and fresh-water tortoises are common.
The native fauna was formerly very rich in big game, a fact sufficiently testified by the names given by the early European settlers to mountains and streams. The lion, elephant, rhinoceros, hippopotamus, giraffe, buffalo, quagga, zebra and other large animals were, however, during the 18th and 19th centuries driven out of the more southern regions (though a few elephants and buffaloes,.
When the state was founded elephant and hippopotamus ivory formed for some years the most important article of export.
It shows the characteristic hippopotamus-flange to the lower jaw, but has also a large descending process from the jugal bone of the zygomatic arch of the skull.
The hippopotamus and crocodile inhabit the larger rivers flowing west, but are not found in the Hawash, in which, however, otters of large size are plentiful.
The hippopotamus and crocodile abound in the swamp regions, which also shelter many kinds of water-fowl.
East Africa is rich in all kinds of antelope, and the elephant, rhinoceros and hippopotamus are still plentiful in parts.
The elephant, giraffe, lion, leopard, hyena, zebra, buffalo, gnu, quagga, kudu, eland and many other kinds of antelope roamed the plains; the rhinoceros, hippopotamus and crocodile lived in or frequented the rivers, and ostriches and baboons were numerous.
In the papyrus marshes the hippopotamus was slain with harpoons, the wild boar, too, was probably hunted, and the sportsman brought down wild-fowl with the boomerang, or speared or angled for fish.
The fauna includes the elephant, hippopotamus, lion and several species of antelope.
The fauna includes the lion, leopard, cheetah, elephant, giraffe, rhinoceros, hippopotamus, buffalo, zebra, kudu and many other kinds of antelope, wild pig, ostrich and crocodile.
When first entered by white men the Transvaal abounded in big game, the lion, leopard, elephant, giraffe, zebra and rhinoceros being very numerous, while the hippopotamus and crocodile were found in all the rivers.
Among the more remarkable forms are a species of hippopotamus, the elephant (including a pigmy variety), and a gigantic dormouse.
Although now exclusively African, the family (of which all the representatives may be included in the single genus Hippopotamus, with several subgeneric groups) is represented in the Pliocene of Europe and the Lower Pliocene of northern India.
In these forests are found the two-horned rhinoceros, the elephant, lion, panther, numerous apes and antelopes, while the crocodile and hippopotamus frequent the rivers.
It is noteworthy, however, that in some instances there appears to have been a retrograde modification from the selenodont towards the bunodont type, the hippopotamus being a case in point.