hippopotamus chewing food happily, the huge creature which native to africa

animal hippopotamus common hippo river nile amphibius horse semiaquatic nocturnal mammal creature hippopotamid subsahara africa safari mature adult mocha mousse head ear eye mouth face chewing eating megaherbivore large huge big herbivore floodplains savannas amazing stunning reddish brown nature zoo one solo wildlife countryside thailand outdoor daytime sunlight calm closeup