List of mammals of Ireland

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This is a list of the 60 mammal species recorded in Ireland. A new Red List of Irish terrestrial mammals was published in 2009 and all 26 terrestrial species native to Ireland, or naturalised in Ireland before 1500, were assessed. Of these, one was found to be regionally extinct (grey wolf Canis lupus), one achieved a threat status of Vulnerable (black rat Rattus rattus), three were found to be Near Threatened (Leisler's bat Nyctalus leisleri), otter (Lutra lutra) and red squirrel (Sciurus vulgaris), one was data deficient (Brandt's bat Myotis brandtii) and the remaining 20 were of least concern.[1]

The following tag are used to highlight each species' conservation status as assessed by the IUCN:

EX Extinct No reasonable doubt that the last individual has died.
EW Extinct in the wild Known only to survive in captivity or as a naturalized populations well outside its previous range.
CR Critically endangered The species is in imminent risk of extinction in the wild.
EN Endangered The species is facing an extremely high risk of extinction in the wild.
VU Vulnerable The species is facing a high risk of extinction in the wild.
NT Near threatened The species does not meet any of the criteria that would categorise it as risking extinction but it is likely to do so in the future.
LC Least concern There are no current identifiable risks to the species.
DD Data deficient There is inadequate information to make an assessment of the risks to this species.

Subclass: Theria[edit]

Infraclass: Eutheria[edit]

Order: Diprotodontia[edit]

Though most marsupials make up a great part of the fauna in the Australian region, the red-necked wallaby has been introduced and a population is currently breeding on the island of Lambay.[2]

Order: Rodentia (rodents)[edit]

Rodents make up the largest order of mammals, with over 40 percent of mammalian species. They have two incisors in the upper and lower jaw which grow continually and must be keep short by gnawing. Most rodents are small though the capybara can weigh up to 45 kg (100 lb).

Order: Lagomorpha (lagomorphs)[edit]

The lagomorphs comprise two families, Leporidae (hares and rabbits), and Ochotonidae (pikas). Though they can resemble rodents, and were classified as a superfamily in that order until the early 20th century, they have since been considered a separate order. They differ from rodents in a number of physical characteristics, such as having four incisors in the upper jaw rather than two.

Order: Erinaceomorpha (hedgehogs and gymnures)[edit]

The order Erinaceomorpha contains a single family, Erinaceidae, which comprise the hedgehogs and gymnures. The hedgehogs are easily recognised by their spines while gymnures look more like large rats.

Order: Soricomorpha (shrews, moles, and solenodons)[edit]

The "shrew-forms" are insectivorous mammals. The shrews and solenodons closely resemble mice while the moles are stout-bodied burrowers.

Order: Chiroptera (bats)[edit]

The bats' most distinguishing feature is that their forelimbs are developed as wings, making them the only mammals in the world naturally capable of flight. Bat species account for about 20% of all mammals.

Order: Cetacea (whales)[edit]

The order Cetacea includes whales, dolphins, and porpoises. They are the mammals most fully adapted to aquatic life with a spindle-shaped nearly hairless body, protected by a thick layer of blubber, and forelimbs and tail modified to provide propulsion underwater.

Order: Carnivora (carnivorans)[edit]

Carnivorans include over 260 species, the majority of which eat meat as their primary dietary item. They have a characteristic skull shape and dentition.

Order: Artiodactyla (even-toed ungulates)[edit]

The even-toed ungulates are ungulates whose weight is borne about equally by the third and fourth toes, rather than mostly or entirely by the third as in perissodactyls. There are about 220 artiodactyl species, including many that are of great economic importance to humans.

See also[edit]


  1. ^ This list is derived from the IUCN Red List which lists species of mammals and includes those mammals that have been classified as extinct since 1500. The taxonomy and naming of the individual species is based on those used in existing Wikipedia articles and supplemented by the common names and taxonomy from the IUCN, Smithsonian Institution, or University of Michigan where no Wikipedia article was available.
  2. ^
  3. ^ Emma Sheehy, Colin Lawton, 2015 Distribution of the non-native Hazel Dormouse (Muscardinus avellanarius) in Ireland.Irish Naturalists' Journal Volume 34, Part 1: 13-16.
  4. ^
  5. ^ Eccleston, Paul (28 April 2008). "Barn owl helps to find new Irish shrew". The Daily Telegraph. London. Retrieved 8 May 2010.
  6. ^ "Rare arctic bowhead whale seen off Cornwall - BBC News". Retrieved 31 October 2016.
  7. ^ orcaweb -
  8. ^ "A geographical perspective on the decline and extermination of the Irish wolf canis lupus" (PDF). Kieran R. Hickey. Department of Geography, National University of Ireland, Galway. Retrieved 2007-09-12.
  9. ^ "Kerry red deer ancestry traced to population introduced to Ireland by ancient peoples over 5,000 years ago". Retrieved 6 November 2012.
  10. ^ Natural Heritage Research Partnership Muntjac Knowledge Transfer


Comparison with Great Britain[edit]

The following species are found in Great Britain but not in Ireland:

External links[edit]