This is a list of the known wild biota of the Isle of Man.
Non-native species are marked *, extinct species are marked †. If this status is uncertain the species is also marked ?.
Each listing follows the following format: English name (where one exists), binomial/trinomial scientific name with authorities for uncommon species, Manx name (where one exists), status.
Updated July 2023
As of 2023 the Isle of Man has 20 regularly occurring migrant and resident species of butterfly, with a total of 23 all-time records in the wild.
As of 2020 research by the Manx Bat Group has found that there are at least nine species of Chiroptera found on the Isle of Man:
Note that Manx nomenclature traditionally did not differentiate between species. Most whales are known as 'Muc Varrey' (sea pigs) or 'Perkin Mooar' and small dolphins as 'Doraid'.
All sorts of domesticated species have been brought to the Isle of Man by humans over the millennia. Two notable landrace breeds have evolved distinctively on the island:
The format here is common English name (if one exists), followed by scientific name, followed by authority in brackets. There are no Manx names.
218 species of Arachnids have been identified in the Isle of Man as of 1 January 2002.[29]
As of September 2022, 1801 distinct species from the Kingdom Fungi have been recorded on NBN Atlas Isle of Man.[30]
Sixty-two species of dung fungi have been recorded in the Isle of Man as of 13 April 2009 by Michael J. Richardson, a British mycologist. The following are from a sample of rabbit (Oryctolagus cuniculus) pellets collected at The Ayres on 6 January 2008.
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