Alex Mustard / Dugong (Dugong dugon) male and juvenile Golden trevally (Gnathanodon speciosus) swimming over Seagrass (Halophila stipulacea) meadow. Marsa Nabaa, Marsa Alam, Egypt.

Doug Perrine / Dugong or Sea cow (Dugong dugon) split level view, Calauit Island, off Busuanga, Calamian Islands, Palawan, Philippines.

Cheryl-Samantha Owen / Lynn Ballagh closing gate on his cattle ranch, Sandhills of Nebraska, Garfield County, Nebraska, USA.

Pete Oxford / Gayal / Mithun (Bos frontalis) on river bank. Arunachal Pradesh, North East India. November 2014.

Enrique Lopez-Tapia / Woman with stick at the Jumping of the bulls Hamer ceremony. This Hamer ceremony, is a right of passage into manhood for Hamer boys. During the ceremony young female relatives of the boys beg to be wh...

Nick Garbutt / Zebu Cattle (Bos primigenius indicus), Los Llanos, Colombia, South America.

Ross Hoddinott / Rural view of rolling countryside with grazing cattle, near Frome, Somerset, UK. July 2014.

Robin Chittenden / Highland cow (Bos taurus) feeding in long grass, Strumpshaw Fen RSPB, Norfolk, UK, May.

Angelo Gandolfi / Pantanal cowboy / gaucho (Pantaneiros) driving cattle. Pantanal, Brazil, August 2010.

Jean E. Roche / Group of bullfighters in European Bullfighting Championship 2012, Arenes d'Arles, Camargue, France, September 2012.

Jean E. Roche / Herd of Camargue bulls, Camargue, France, May.

Jean E. Roche / Bull run, with Camargue bulls leaping over hay bales, Camargue, France, July 2012.