three hippos hippopotamus amphibius lie in a pond. la lajita, spain

africa african aggressive amphibius animal animals aquatic background big brown color common danger dangerous eye face fauna fight fighting fuerteventura group head herd hippo hippopotami hippopotamus hippopotamuses hippos huge kruger lajita lake large las lie mammal mouth national natural nature nile november oasis one palmas park pond river semiaquatic silhouette spain swim three underwater water wild wilderness wildlife zoo