There are four species of

deer Deer or true deer are hoofed ruminant mammals forming the family Cervidae. The two main groups of deer are the Cervinae, including the muntjac, the elk (wapiti), the red deer, and the fallow deer; and the Capreolinae, including the re ...

living wild in

Ireland Ireland ( ; ga, Éire ; Ulster Scots dialect, Ulster-Scots: ) is an island in the Atlantic Ocean, North Atlantic Ocean, in Northwestern Europe, north-western Europe. It is separated from Great Britain to its east by the North Channel (Grea ...

today, namely

red deer The red deer (''Cervus elaphus'') is one of the largest deer species. A male red deer is called a stag or hart, and a female is called a hind. The red deer inhabits most of Europe, the Caucasus Mountains region, Anatolia, Iran, and parts of we ...

fallow deer ''Dama'' is a genus of deer in the subfamily Cervinae, commonly referred to as fallow deer. Name The name fallow is derived from the deer's pale brown colour. The Latin word ''dāma'' or ''damma'', used for roe deer, gazelles, and antelopes ...

sika deer The sika deer (''Cervus nippon''), also known as the Northern spotted deer or the Japanese deer, is a species of deer native to much of East Asia and introduced to other parts of the world. Previously found from northern Vietnam in the south to ...

, and the recently introduced Reeve's muntjac, which is becoming established. Recently,

roe deer The roe deer (''Capreolus capreolus''), also known as the roe, western roe deer, or European roe, is a species of deer. The male of the species is sometimes referred to as a roebuck. The roe is a small deer, reddish and grey-brown, and well-adapt ...

have been spotted in county Wicklow and county Armagh. The

Irish elk The Irish elk (''Megaloceros giganteus''), also called the giant deer or Irish deer, is an extinct species of deer in the genus '' Megaloceros'' and is one of the largest deer that ever lived. Its range extended across Eurasia during the Pleist ...

and the

Red Deer The red deer (''Cervus elaphus'') is one of the largest deer species. A male red deer is called a stag or hart, and a female is called a hind. The red deer inhabits most of Europe, the Caucasus Mountains region, Anatolia, Iran, and parts of we ...

both became extinct in Ireland about 10,500 years ago during the Nahanagan Stadial. The

reindeer Reindeer (in North American English, known as caribou if wild and ''reindeer'' if domesticated) are deer in the genus ''Rangifer''. For the last few decades, reindeer were assigned to one species, ''Rangifer tarandus'', with about 10 sub ...

was extirpated from Ireland about 9500 years ago. Many of their skeletal remains have been found well preserved in peat land. The current red deer population, once thought to have been descendants from the native stock which had come to Ireland at the end of the last ice age, are now believed to have been brought from Britain across the

North Channel North Channel may refer to: *North Channel (Great Britain and Ireland) The North Channel (known in Irish and Scottish Gaelic as , in Scots as the ) is the strait between north-eastern Northern Ireland and south-western Scotland. It begins no ...

neolithic The Neolithic period, or New Stone Age, is an Old World archaeological period and the final division of the Stone Age. It saw the Neolithic Revolution, a wide-ranging set of developments that appear to have arisen independently in several p ...

people around 3300 BC. They almost became extinct again in the 20th century, with only around 60 left, but have now made a comeback to approximately one thousand where the "native" herd has survived in

Killarney National Park Killarney National Park ( ga, Páirc Náisiúnta Chill Airne), near the town of Killarney, County Kerry, was the first national park in Ireland, created when the Muckross Estate was donated to the Irish Free State in 1932. The park has sinc ...

. Fallow deer were introduced in Norman times, and now have a population of about 10,000. Sika deer were introduced in Powerscourt park in 1860, escaped from captivity, and now number about 20,000. Scottish roe deer were introduced to the Lissadell Estate in Co. Sligo around 1870 by Sir Henry Gore-Booth. The Lissadell deer were noted for their occasional abnormal antlers and survived in that general area for about 50 years before they died out, and few roe deer currently exist in Ireland.

Extinct/extirpated deer species

- became extinct about 10,500 years ago *

Reindeer Reindeer (in North American English, known as caribou if wild and ''reindeer'' if domesticated) are deer in the genus ''Rangifer''. For the last few decades, reindeer were assigned to one species, ''Rangifer tarandus'', with about 10 sub ...

- became extinct in Ireland about 9,500 years ago

Reintroduced species

Red deer The red deer (''Cervus elaphus'') is one of the largest deer species. A male red deer is called a stag or hart, and a female is called a hind. The red deer inhabits most of Europe, the Caucasus Mountains region, Anatolia, Iran, and parts of we ...

- reintroduced about 3300 BC

Introduced species

Fallow deer ''Dama'' is a genus of deer in the subfamily Cervinae, commonly referred to as fallow deer. Name The name fallow is derived from the deer's pale brown colour. The Latin word ''dāma'' or ''damma'', used for roe deer, gazelles, and antelopes ...

Chinese water deer The water deer (''Hydropotes inermis'') is a small deer superficially more similar to a musk deer than a true deer. Native to China and Korea, there are two subspecies: the Chinese water deer (''Hydropotes inermis inermis'') and the Korean wat ...

https://www.irishtimes.com/news/concern-over-illegal-spread-of-chinese-deer-1.906866#:~:text=A%20SPECIES%20of%20Chinese%20deer,established%20itself%20in%20the%20southeast. *

Roe deer The roe deer (''Capreolus capreolus''), also known as the roe, western roe deer, or European roe, is a species of deer. The male of the species is sometimes referred to as a roebuck. The roe is a small deer, reddish and grey-brown, and well-adapt ...

Sika deer The sika deer (''Cervus nippon''), also known as the Northern spotted deer or the Japanese deer, is a species of deer native to much of East Asia and introduced to other parts of the world. Previously found from northern Vietnam in the south to ...

* Reeve's muntjac

Gallery

Image:Silz_cerf22.jpg,

Image:Damhirsch 3.jpg,

Image:Cervus nippon hortulorum nbg.jpg,

Image:Megaloceros.jpg,

References

Valuable reading

Butler, F. & Keelleher, C. (eds) (2012). "All-Ireland Mammal Symposium 2009". ''Irish Naturalists' Journal'', Belfast, 90 pp. {{DEFAULTSORT:Deer Of Ireland Mammals of Europe Fauna of Ireland Deer