The following tags are used to highlight each species' conservation status as assessed on the IUCN Red List:
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.
NE indicates not endemic
Order: Diprotodontia (kangaroos, wallabies, wombats and allies)
Though most marsupials make up a great part of the fauna in the Australian region, the red-necked wallaby has been introduced to Ireland: a population is currently breeding on Lambay island.[2]
Family: Macropodidae (kangaroos, wallabies, and kin)
Rodents make up the largest order of mammals, with over 40% of mammalian species. They have two incisors in the upper and lower jaw which grow continually and must be kept short by gnawing.
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.
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.
The bats' most distinguishing feature is that their forelimbs are developed as wings, making them the only mammals capable of flight. Bat species account for about 20% of all mammals.
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.
Carnivorans include over 260 species, the majority of which eat meat as their primary dietary item. They have a characteristic skull shape and dentition.
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.
1 2 3 4 5 6 Marnell, F.; Looney, D. & Lawton, C. (2019). Ireland Red List No. 12: Terrestrial Mammals. Belfast, Dublin and Galway: Northern Ireland Environment Agency, National Parks and Wildlife Service, Department of the Culture, Heritage and the Gaeltacht and National University of Ireland.
↑ Moynagh, J. and Viscardi, P. (2022) Vouchered record of Field Vole (Microtus agrestis) in Ireland from Co. Monaghan. Irish Naturalists’ Journal 39: 104-106. Irish Naturalists' Journal Volume 39: 104-106.
↑ 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.
↑ Cotton, D.C.F. (2007). "A critical review of Irish records of walrus Odobenus rosmarus (L.) with some unpublished observations from Counties Donegal, Sligo, and Galway". Ir. Nat. J. 28: 349–355.
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