Distribution and Habitat
The red river hog lives in rainforests, wet dense savannas, and forested valleys, and near rivers, lakes and marshes. The species' distribution ranges from the Congo area and Gambia to the eastern Congo, southwards to the Kasai and the Congo River. The exact delineation of its range versus that of P. larvatus is unclear; but in broad terms, the red river hog occupies western and central Africa, and the bushpig occupies eastern and southern Africa. Where the two meet, they are commonly held to interbreed, although some authorities dispute this.
Until very recently, the red river hog of western Africa was often considered an orange-colored bushpig. The pigs found in Madagascar are thought to be bushpigs, although some authorities assign the pigs on this island to two subspecies (larvatus and hova). Much confusion remains over the coloration of the two species; generally, the most southern specimens are drab colored; as one moves north and west, pig populations become more orange and mature males get blacker foreheads.
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