Nyala (Tragelaphus angasii) male at water, Zimanga private game reserve, KwaZulu-Natal, South Africa, Africa

Nilgai Blue Bull antelope, Boselaphus tragocamelus, in Ranthambhore National Park, Rajasthan, India

Eland (taurotragus oryx) bull, showing dewlap, eastern cape, south africa

Eland (taurotragus oryx) bull, showing dewlap, eastern cape, south africa

Impalas (Aepyceros melampus), herd

Red Hartebeest (Alcelaphus buselaphus caama) . Fighting bulls. Kalahari Desert, Kgalagadi Transfrontier Park, South Africa, Africa

Red Hartebeest (Alcelaphus buselaphus caama) . Fighting bulls. Kalahari Desert, Kgalagadi Transfrontier Park, South Africa, Africa

A bullfighter tries to escape a chasing bull, Camargue races, Arles Amphitheatre, Arles, Provence-Alpes-Cote d'Azur, France, Europe

Bull carriage at the historical parade before the Palio di Siena horse race, Siena, Tuscany, Italy, Europe

Fight between two Topi lei antelope bulls, Maasai Mara Game Reserve, Kenya, Africa

Elephant bull (Loxodenta africana) comes out of river, lifts his head high. In background stand antelopes, Lechwe. Okavango Delta, Botswana, Africa

Fight between two Topi lei antelope bulls, Maasai Mara Game Reserve, Kenya, Africa

Portrait of male sable antelope (Hippotragus niger) standing in profile at the Gabus Game Ranch at sunset; Otavi, Otjozondjupa, Namibia

A kudu bull, Tragelaphus strepsiceros, stands in amoungst dry grass and branches, Londolozi Wildlife Reserve, Sabi Sands, Greater Kruger National Park, South Africa

Lasso and rack with bull head, Antelope Island, Utah

Lasso and rack with bull head, Antelope Island, Utah