warthog, african wild pig in savannah in africa, in national park for animal preservation

warthog african wild pig savannah africa national park animal preservation zimbabwe imire phacochoerus grazing zimbabwe kenya kruger east-africa queen elizabeth park serengeti common warthog natural pig boar family nature reserve open safari vehicle herbivorous savanna conservation environment wildlife wild animal pumba safari africa wilderness herbivore nature mammal grass african travel outdoor ecology tourism bush brown phacochoerus africanus fauna tusk grassland savannah green tanzania