2, ADULT, ADULTS, AFRICA, ALONE, AMPHIBIUS, AND, ANIMAL, APPENDIX, ARTIODACTYLA, BILATERIA, BIODIVERSITY, CHORDATA, CHORDATE, CITES, COELOMATA, CONVENTION, CYNODONTIA, DE, DEUTEROSTOMIA, DEVELOPMENT, ENDANGERED, ENUMERATION, ENVIRONMENT, EUKARYOTA, eupelycosauria, euteleostomi, EVEN-TOED, FAUNA, FLORA, GAME, GNATHOSTOMATA, HARPE, HIPPO, HIPPOPOTAMIDAE, HIPPOPOTAMUS, HIPPOPOTAMUSES, HOOK, HOOKS, IN, INDIVIDUAL, INTERNATIONAL, IUCN, LA, LIST, LONE, LONELY, MALA, MALAMALA, MAMMAL, MAMMALIA, MANAGEMENT, MATTER, METAZOA, MORPHOLOGY, MOTION, MOUTH, MOUTHS, MPUMALANGA, NATURAL, NOBODY, OF, ON, ONE, ONLY, OPEN, OPENED, OPENING, OPENINGS, OPISTHOKONTA, ORGANISM, PORTRAIT, PORTRAITS, PRIVATE, PROFILE, PROTECTION, PROVINCE, RED, RESERVE, RESERVES, rhipidistia, ROGER, SARCOPTERYGII, SHOT, SHOTS, SIDE, SIGHT, SIGHTS, SINGLE, SOLO, SOUTH, SOUTHERN, SP, SPATTER, SPATTERS, SPECIES, SPLASH, SPLASHED, SPLASHING, STAGE, SUBSTANCE, SURFACE, SURFACES, SYNAPSID, SYNAPSIDA, TEETH, TETRAPODA, TETRAPODOMORPHA, THERAPSID, THERAPSIDA, THREATENED, TOOTH, TRADE, UNGULATE, VERTEBRATA, VERTEBRATE, VIEW, VIEWS, VU, VULNERABLE, WATER, WATERSURFACE, WATERSURFACES, WILD, WILDLIFE, WITH, YAWN, YAWNING, YAWNINGS, YAWNS, ZOOLOGY,