Guernsey

149 threatened species · Biodiversity Intelligence Dashboard

Threatened Species

149

CR + EN + VU

Critically Endangered

28

Highest risk

Endangered

35

Very high risk

Vulnerable

86

High risk

Declining

11%

17 species

Category Breakdown
CR 28
EN 35
VU 86
CR: 28
EN: 35
VU: 86
Species by Group
🐾

mammals

1

1 threatened

🐦

birds

19

19 threatened

🐢

reptiles

1

1 threatened

🐟

fishes

10

10 threatened

🦗

insects

69

69 threatened

🌱

plants

21

21 threatened

Global Share

0.27%

of globally threatened species

Country Rank

#157

of 277 countries

Endemic Threatened

0

Found only here

Top Threats
1.Fishing & harvesting aquatic resources14 species
2.Habitat loss and fragmentation12 species
3.Urban development and infrastructure expansion9 species
4.Agricultural intensification9 species
5.Logging & wood harvesting9 species
6.Hunting & trapping terrestrial animals7 species
7.Water pollution and eutrophication7 species
8.Housing & urban areas7 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 (2025). Guernsey: Biodiversity Dashboard. SpeciesRadar: Intelligence for Earth's Biodiversity. Available at: https://speciesradar.org/countries/GG

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