Hippopotamus Submerging Itself In The Cold Lake Water At The Game Reserve In Botswana On A Sunny Day - Closeup Shot

hippopotamus hippo animal submerging cold lake water game reserve game reserve sunny day closeup close up shot botswana animals natural environment habitat behavior nat geo national geographic national geographic planet nature climate climate change change animal planet wildlife mammal wild park large head fat herbivore huge wilderness aquatic amphibius wet outdoor background travel swimming