Male waterbuck, Kobus ellipsiprymnus, walking away with white ring on rump

waterbuck male walk kobus ellipsiprymnus walk away rump white ring tail slow horns stripe marking grassland landscape tracking follow antelope grass twitch south africa africa african rietvlei nature reserve centurion pretoria gauteng scrub savanna wild wildlife calm behind rear step environment habitat evening golden hour vegetation wilderness alone one wag flick