Ben Hall / Fallow deer (Dama dama) in woodland clearing at dawn, Cheshire, UK November

Philippe Clement / Portrait of Roe deer {Capreolus capreolus}in wheat field, La Brenne, France.

Ingo Arndt / Reindeer (Rangifer tarandus) bull, Jason Harbour, South Georgia, February

Ingo Arndt / Fallow Deer (Dama dama) at sunrise, in mist covered landscape, Moenchbruch, Germany

Ingo Arndt / Fallow Deer (Dama dama) at sunrise, in mist covered landscape, Moenchbruch, Germany

Laurent Geslin / Red deer {Cervus elaphus} stag covered in mud during the rut, captive, UK

Laurent Geslin / Roe deer (Capreolus capreolus) buck, Essex, England

Laurent Geslin / Red deer (Cervus elaphus) stag with bracken in his antlers. Richmond Park, London, England

Laurent Geslin / Red deer stag (Cervus elaphus) bellowing in rutting season in morning with steam rising from its body, New Forest, Hampshire, UK.

Laurent Geslin / Roe deer {Capreolus capreolus} male leaping during the rutting season, France

Bence Mate / Portrait of Roe deer buck (Capreolus capreolus) in woodland, Pusztaszer, Kiskunsagi National Park, Hungary

Igor Shpilenok,Igor Shpilenok / Large male Reindeer (Rangifer tarandus) standing in shallow waters of the Kronotsky lagoon, away from biting insects. Kronotsky Zapovednik Nature Reserve, Kamchatka Peninsula, Russian Far East, July.