herd of african black rhinoceros with oxpeckers on their backs resting in soft mud in hlane national park

zoo wildlife wilderness tree savanna safari prairie plain pasture mammal jungle herd grazing grassland elephant animal adventure africa african big biodiversity biosphere reserve bird black rhino rhinoceros conservation dangerous eswatini exotic fauna game drive giant hlane national park kingdom kruger mammals mpumalanga natural environment nature oxpecker oxpeckers plants relax rhinoceroses rhinocerotidae savannah south southern swaziland travel white wild