close-up of a black wildebeest grazing in the tall grasses of the South African savannah

black wildebeest whitetailed gnu wildebeest gnu southern africa grazing south africa wildlife hoofed conservation horn antelope herd africa horns herbivore safari mammal african fauna species whitetailed group mane reserve connochaetes gnou wilderness ecology gnou savannah wild brown nature bush grass national closeup natural camp biology bucket list adventure black game outdoor park