Tui De Roy / Galapagos sea lion (Zalophus wollebaeki) female and male on red volcanic beach, Rabida Island, Galapagos, Ecuador

Tui De Roy / Galapagos sea lion (Zalophus wollebaeki) female resting in shallows, Bainbridge Islets, Galapagos, Ecuador

Shane Gross / Dugong (Dugong dugon) feeding on Tapegrass (Halophila stipulacea), accompanied by juvenile Golden trevally fish (Gnathanodon speciosus). Marsa Alam, Egypt.

Shane Gross / Dugong (Dugong dugon) male and juvenile Golden trevally (Gnathanodon speciosus) shoal swimming over Turtlegrass (Halophila stipulacea) seagrass bed. Marsa Alam, Egypt.

Alex Mustard / Dugong (Dugong dugon) male, swims over seagrass meadow (Halophila stipulacea) accompanied by a young Golden trevally (Gnathanodon speciosus). Marsa Nabaa, Marsa Alam, Egypt. Red Sea

Alex Mustard / Dugong (Dugong dugon) male feeding on a seagrass meadow (Halophila stipulacea), accompanied by a young Golden trevally (Gnathanodon speciosus). Marsa Nabaa, Marsa Alam, Egypt. Red Sea

Alex Mustard / Dugong (Dugong dugon) male feeding on a seagrass meadow (Halophila stipulacea), accompanied by a young Golden trevally (Gnathanodon speciosus). Marsa Nabaa, Marsa Alam, Egypt. Red Sea

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.

Eric Baccega / Caribbean manatee or West Indian manatee (Trichechus manatus) mother with baby, age two days, captive, Beauval Zoo, France

Eric Baccega / Caribbean manatee or West Indian manatee (Trichechus manatus) mother with baby, age two days, captive, Beauval Zoo, France

Eric Baccega / Caribbean manatee or West Indian manatee (Trichechus manatus) mother with baby, age two days, captive, Beauval Zoo, France

Eric Baccega / Caribbean manatee or West Indian manatee (Trichechus manatus) mother with baby, age two days, captive, Beauval Zoo, France

Eric Baccega / Caribbean manatee or West Indian manatee (Trichechus manatus) mother with baby, age two days, captive, Beauval Zoo, France

Klein & Hubert / Ferrandaise cow, seen between the legs of another, Auvergne, France.

Klein & Hubert / Limousin cow and bull, Auvergne, France.

Klein & Hubert / Limousin cow and calf, France.

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

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

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...

Klein & Hubert / Two Simmental cows with flowering cherry tree in spring, France.

Klein & Hubert / Young Charolais calf running in meadow, France.

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.

Jeff Vanuga / Guardian riding Camargue horse through water at sunrise, Camargue, Bouches du Rhone, France, May 2013.

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

Inaki Relanzon / Zebu cattle (Bos indicus) market in Ambalavao, central Madagascar, November 2012.

Will Watson / Three Hereford bullocks feeding on hay, Herefordshire Plateau, England, April.

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

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.

Graham Eaton,Graham Eaton / Highland cow with calf on moorland in snow above Malham, Yorkshire, winter.

Graham Eaton,Graham Eaton / Highland cow next to road above Malham, Yorkshire, winter.

Terry Whittaker / Person dress as a cow holding a sign which says 'Dump dairy - Save a badger' encouraging a dairy boycott, at anti badger cull march, London 1st June 2013. Editorial use only.

Axel Gomille / Zebu cattle (Bos primigenius indicus) holy cow, walking past Sadhu or holy man, Varanasi, India

Peter Cairns / 2020VISION / Close-up of the nose of a Highland cow (Bos taurus) Isle of Lewis, Outer Hebrides, Scotland, UK, April.

Alex Hyde / Highland cow on heather moorland, Curbar Edge, Peak District National Park, Derbyshire. August.

Ernie Janes / Long Horn cattle in meadow, Norfolk, UK July

Andrew Parkinson / Adult Badger (Meles meles) at entrance to sett, with some young Domestic cattle in the background, Derbyshire, England, UK, May 2012 (non-ex).

Philippe Clement / Domestic cows (Bos taurus) and free roaming horses grazing in the Pyrenees-Atlantiques, Pyrenees, France, June

Cheryl-Samantha Owen / A young Orma man herds cattle, Tana River Delta, Kenya, East Africa 2011. No release available.

Paul Harris / 2020VISION / Highland cattle herd grazing at Foxlease and Ancells Meadows SSSI, Hampshire, England, UK, March.

Paul Harris / 2020VISION / Highland cattle with calf, Foxlease and Ancells Meadows SSSI, Hampshire, England, UK, March.

Laurie Campbell / Highland bull (Bos taurus) face close up in freezing fog, Berwickshire Scotland, December

Ross Hoddinott / 2020VISION / Cattle grazing on farmland at Shapwick Heath (Somerset Wildlife Trust) Nature Reserve, with Glastonbury Tor in the distance, Somerset Levels, Somerset, UK. June 2011.

Ross Hoddinott / 2020VISION / Goats and Cattle grazing on farmland at Shapwick Heath (Somerset Wildlife Trust) Nature Reserve, with Glastonbury Tor in the distance, Somerset Levels, Somerset, UK. June 2011.

Guy Edwardes / 2020VISION / View towards Glastonbury tor from Walton Hill at dawn, Somerset Levels, Somerset, England, UK, April 2011