Wim van den Heever / Sika deer (Cervus nippon) three females running and playing in snow. Hokkaido, Japan, March.

Ross Hoddinott / 2020VISION / Young Sika deer (Cervus nippon) standing amongst flowering heather, Arne RSPB reserve, Dorset, England, UK, August. 2020VISION Book Plate.

Ross Hoddinott / 2020VISION / Sika deer (Cervus nippon), stag, hind and young, amongst flowering heather, Arne RSPB reserve, Dorset, England, UK, August. Did you know? This East Asian deer's name 'Sika' is the Japanese word for 'd...

Ross Hoddinott / 2020VISION / Sika deer (Cervus nippon) stag on salt marsh at Arne RSPB reserve, with Poole harbour visible in the background, Dorset, England, UK, August

Andrew Parkinson / Sika deer (Cervus nippon) female stretching her head back to detect the scent of any potential threat. Arne RSPB Reserve, Dorset, UK, October (non-ex)

Kristel Richard / A Sika deer stag rests among a band of wild Misaki-uma horses (Equus ferus caballus) in the Cape Toi Reserve, Miyazaki Prefecture, Kyushu Island, Japan.

Andrew Parkinson / Sika deer (Cervus nippon) female grooming calf, Arne RSPB Reserve, Dorset, UK

Colin Varndell / Sika deer hind{Cervus nippon} UK.

Rod Williams / Two Formosan sika deer {Cervus nippon taiouanus} males. Captive. Taiwan.

David Tipling / Sika deer buck in evening light {Cervus nippon} New Forest, Hampshire, UK

Andrew Cooper / Sika deer (Cervus nippon). Devon, England, UK, Europe

Ross Hoddinott / Portrait of two siika deer (Cervus nippon), possibly red deer (Cervus elaphus) hybrids, on open moorland in snow, Cairngorms National Park, Scotland, UK. January 2020.

Ernie Janes / RF - Formosan sika deer (Cervus nippon taiouanus) males with group of females. Captive. (This image may be licensed either as rights managed or royalty free.)

Ernie Janes / RF - Formosan sika deer (Cervus nippon taiouanus) two females running, captive. (This image may be licensed either as rights managed or royalty free.)

Ernie Janes / RF - Formosan sika deer (Cervus nippon taiouanus) male with velvet shedding from antlers, captive. (This image may be licensed either as rights managed or royalty free.)

Ernie Janes / Formosan sika deer (Cervus nippon taiouanus) male, captive, native to Taiwain. Extinct in the wild.

Ernie Janes / Formosan sika deer (Cervus nippon taiouanus) female with males behind, captive, native to Taiwain. Extinct in the wild.

Aflo / Sika deer (Cervus nippon) stags in forest, with cherry blossom, Kyushu, Japan.

Aflo / Sika deer (Cervus nippon) herd walking in snow at sunset, Hokkaido, Japan.

Valeriy Maleev / Sika deer (Cervus nippon) stag in snow, Vladivostok, Primorsky Krai, Far East Russia. December.

Valeriy Maleev / Sika deer (Cervus nippon) stag calling in snow, Vladivostok, Primorsky Krai, Far East Russia. December.

Valeriy Maleev / Sika deer (Cervus nippon) stag in snow, Vladivostok, Primorsky Krai, Far East Russia. December.

Valeriy Maleev / Sika deer (Cervus nippon) Vladivostok, Primorsky Krai, Far East Russia. July.

Valeriy Maleev / Sika deer (Cervus nippon) stags with antlers in velvet, Vladivostok, Primorsky Krai, Far East Russia. July.

Valeriy Maleev / Sika deer (Cervus nippon) stags with antlers in velvet, Vladivostok, Primorsky Krai, Far East Russia. July.

Valeriy Maleev / Sika deer (Cervus nippon) female running, Vladivostok, Primorsky Krai, Far East Russia. October.

Valeriy Maleev / Sika deer (Cervus nippon) stag, Vladivostok, Primorsky Krai, Far East Russia. October.

Valeriy Maleev / Sika deer (Cervus nippon) stag, Vladivostok, Primorsky Krai, Far East Russia. October.

Valeriy Maleev / Sika deer (Cervus nippon) female and fawn, Vladivostok, Primorsky Krai, Far East Russia. July.

Jouan Rius / Sika deer (Cervus nippon) female, Klampenborg Dyrehaven, Denmark. October

Jouan Rius / Sika deers (Cervus nippon) stags fighting during rut, Klampenborg Dyrehaven, Denmark. October

Jouan Rius / Sika deer (Cervus nippon) buck, Klampenborg Dyrehaven, Denmark. October

Jouan Rius / Sika deer (Cervus nippon) buck, Klampenborg Dyrehaven, Denmark. October

Jouan Rius / Sika deers (Cervus nippon) females, Klampenborg Dyrehaven, Denmark. October

Jouan Rius / Sika deer (Cervus nippon) buck, Klampenborg Dyrehaven, Denmark. October

Vladimir Medvedev / Sika deer (Cervus nippon) Central Sikhote-Alin UNESCO World Heritage Site, Primorskiy krai,Far East Russia. November

Philippe Clement / Sika deer (Cervus nippon) stag scent marking branch, Jaegersborg Dyrehaven, Denmark, October.

Philippe Clement / Fallow deer (Dama dama) buck running over path, with Sika deer (Cervus nippon) fighting nearby and joggers and walkers passing on a footpath, Jaegersborg Dyrehaven, Denmark, October.

Philippe Clement / Sika deer (Cervus nippon) standing next to path, with joggers and walkers looking as they pass, Jaegersborg Dyrehaven, Denmark, October.

Brian Bevan / Male Sika deer (Cervus nippon) scenting the air with his tongue, Woburn, Bedfordshire, England, UK. October.

Peter Lewis / Sika deer (Cervus nippon) and fawn, Arne, Dorset, England, UK, June.

Wim van den Heever / Sika deer (Cervus nippon) huge stag feeding in open field in a snow storm, Hokkaido Japan.

Roland Seitre / Sika deer (Cervus nippon) fawn in snow, captive, occurs in East Asia.

Roland Seitre / Vietnamese sika deer (Cervus nippon pseudaxis) fawn resting. Captive extinct in the wild.

Cyril Ruoso / Female Sika deer (Cervus nippon) looking up, Yakushima Island, Japan, December.

Cyril Ruoso / Sika deer (Cervus nippon) female, Yakushima Island, Japan, December.

Aflo / Hokkaido sika deer (Cervus nippon yesoensis) two stags in snow, Hokkaido, Japan, January.

Aflo / Hokkaido sika deer (Cervus nippon yesoensis) group on coast, Hokkaido, Japan. March.