impala aepyceros melampus herd drinking at waterhole

above aepyceros africa african angle animal antelope behave behavior behavioral behaviour behavioural carefree color colour concern conduct drink drinking enjoying enjoyment from front fun funny gazelle happiness happy herd high horizontal image impala joy joyful krueger kruger least life lot mammal many melampus moisture mpumalanga mud multitude national natural nature nobody overhead park people september south southern travel view water waterhole wild wildlife