massive hippopotamus standing in shallow river on african grasslands with lush vegetation. powerful and aggressive mammal amidst

hippopotamus environment grasslands vegetation aggressive amphibious wilderness expedition herbivore dangerous landscape amphibian grassland adventure standing powerful wildlife outdoors behemoth ungulate tuskless nostrils savannah massive shallow african natural habitat aquatic mammal serene animal nature safari africa threat river water large grass beast giant bulky snout peril lush male tank wet mud ear