Hippopotamus

africa animal facial expression aquatic boke soft focus botswana close up creature delta ecology ecosystem endangered species environment face field habitat hippopotamus inhabiting looking at camera mammalian mammal marsh moremi wildlife reserve nature nature conservation no one no people nobody noon oasis okavango delta okavango river okavango wetlands omnivorous one outdoors portrait protected areas puddle river safari season sink sunny surface level swim water water place waterside wild wildlife wildlife reserve world heritage world natural heritage