Male black wildebeest (white-tailed gnu (Connochaetes gnou) calling, Mountain Zebra National Park, South Africa, Africa

Black wildebeest (white-tailed gnu) (Connochaetes gnou), Mountain Zebra National Park, South Africa, Africa

Three black wildebeest (white-tailed gnu) (Connochaetes gnou) running, Mountain Zebra National Park, South Africa, Africa

Two young black wildebeest (white-tailed gnu) (Connochaetes gnou) running, Mountain Zebra National Park, South Africa, Africa

Black wildebeest (white-tailed gnu) (Connochaetes gnou) running, Mountain Zebra National Park, South Africa, Africa

Two black wildebeest (white-tailed gnu) (Connochaetes gnou) fighting, Mountain Zebra National Park, South Africa, Africa

Black wildebeest (white-tailed gnu) (Connochaetes gnou), Mountain Zebra National Park, South Africa, Africa

Black wildebeest (white-tailed gnu) (Connochaetes gnou), Mountain Zebra National Park, South Africa, Africa

Black wildebeest (white-tailed gnu) (Connochaetes gnou), Mountain Zebra National Park, South Africa, Africa

Black wildebeest (white-tailed gnu) (Connochaetes gnou), Mountain Zebra National Park, South Africa, Africa

Black Wildebeest (White-tailed Gnu) (Connochaetes gnou), Mountain Zebra National Park, South Africa, Africa

White-tailed wildebeest (Connochaetes gnou), adult, alert, Mountain Zebra National Park, Eastern Cape, South Africa, Africa

Black wildebeest (Connochaetes gnou) standing in the golden long grass of the savanna munching and looking at the camera at the Gabus Game Ranch; Otavi, Otjozondjupa, Namibia

Black wildebeest (Connochaetes gnou) standing in the golden long grass of the savanna looking back over shoulder at the camera at the Gabus Game Ranch; Otavi, Otjozondjupa, Namibia