Isle of Man

268 threatened species · Biodiversity Intelligence Dashboard

Threatened Species

268

CR + EN + VU

Critically Endangered

53

Highest risk

Endangered

72

Very high risk

Vulnerable

143

High risk

Declining

6%

16 species

Category Breakdown
CR 53
EN 72
VU 143
CR: 53
EN: 72
VU: 143

Critically Endangered

5320%

Extremely high risk of extinction in the wild.

Endangered

7227%

Very high risk of extinction in the wild.

Vulnerable

14353%

High risk of extinction in the wild.

Threatened total — 268 species

Species by Group
🦗

insects

106

106 threatened

🌱

plants

44

44 threatened

🕷️

arachnids

35

35 threatened

🐦

birds

19

19 threatened

🐚

molluscs

19

19 threatened

🍄

fungi

13

13 threatened

🪱

other invertebrates

12

12 threatened

🐟

fishes

9

9 threatened

🦀

crustaceans

7

7 threatened

🪸

corals

2

2 threatened

🐾

mammals

1

1 threatened

🐢

reptiles

1

1 threatened

Global Share

0.48%

of globally threatened species

Country Rank

#110

of 250 countries

Endemic Threatened

0

Found only here

Top Threats
1.Habitat fragmentation24 species
2.Habitat loss and fragmentation21 species
3.Coastal development and urbanization21 species
4.Agricultural intensification20 species
5.Urban development and infrastructure expansion19 species
6.Agricultural intensification and pesticide use18 species
7.Water pollution from agricultural runoff18 species
8.Water pollution and eutrophication12 species

How to Cite

IUCN: IUCN (2025). The IUCN Red List of Threatened Species. Version 2025-1. Available at: https://www.iucnredlist.org. doi:10.2305/IUCN.UK.2025-1.RLTS

GBIF: GBIF.org (2025). GBIF Home Page. Available at: https://www.gbif.org

This page: SpeciesRadar (2026). Isle of Man: Biodiversity Dashboard. SpeciesRadar: Intelligence for Earth's Biodiversity. Available at: https://speciesradar.org/countries/IM

Species counts reflect IUCN Red List threatened categories (CR, EN, VU). · Full citation guide & data usage terms

Frequently asked questions

How many threatened species are in Isle of Man?
Isle of Man has 268 threatened species recorded on SpeciesRadar — 53 of those are Critically Endangered, facing an extremely high risk of extinction. The figures combine IUCN Red List data with national red list assessments where available.
How many Critically Endangered, Endangered, and Vulnerable species does Isle of Man have?
Of the 268 threatened species in Isle of Man, 53 are Critically Endangered, 72 are Endangered, and 143 are Vulnerable. Together these three IUCN Red List categories make up the "threatened" total.
What is the most endangered species in Isle of Man?
Among the 53 Critically Endangered species in Isle of Man, Myrmica sulcinodis is one of the most at-risk — featured prominently on the country dashboard. The full list of Critically Endangered species is filterable on the Species tab.
What protected areas exist in Isle of Man?
SpeciesRadar does not yet catalogue protected areas for Isle of Man. Where available, protected-area data is drawn from the World Database on Protected Areas (WDPA) and national designations.
Which animal and plant groups are most threatened in Isle of Man?
The most affected groups in Isle of Man, by number of threatened species, are insects (106), plants (44), and arachnids (35). The full taxonomic breakdown is shown on the country dashboard.
What are the biggest threats to wildlife in Isle of Man?
The leading threats to threatened species in Isle of Man are habitat fragmentation, habitat loss and fragmentation, coastal development and urbanization, and agricultural intensification. Each threat is mapped to the species it affects in the country's threat breakdown.
How many of Isle of Man's threatened species have declining populations?
16 of Isle of Man's threatened species have populations that are still declining. Reversing these trends is the central focus of the conservation work the country dashboard tracks.
How does Isle of Man compare to other countries for threatened species?
Isle of Man ranks #110 of 250 countries by number of threatened species, and accounts for roughly 0.48% of all threatened species tracked worldwide. Threat is geographically concentrated, so a high rank reflects both rich biodiversity and intense pressure on it.
Where does the data for Isle of Man come from, and can I download it?
SpeciesRadar draws on the IUCN Red List, the Global Biodiversity Information Facility (GBIF), the World Database on Protected Areas, and national red lists. Every table on the Isle of Man profile — species, national red list, and protected areas — can be downloaded as a CSV spreadsheet or a branded PDF report.