Sierra Leone

301 threatened species · Biodiversity Intelligence Dashboard

Threatened Species

301

CR + EN + VU

Critically Endangered

50

Highest risk

Endangered

103

Very high risk

Vulnerable

148

High risk

Declining

55%

167 species

Category Breakdown
CR 50
EN 103
VU 148
CR: 50
EN: 103
VU: 148

Critically Endangered

5017%

Extremely high risk of extinction in the wild.

Endangered

10334%

Very high risk of extinction in the wild.

Vulnerable

14849%

High risk of extinction in the wild.

Threatened total — 301 species

Species by Group
🐾

mammals

26

26 threatened

🐦

birds

17

17 threatened

🐢

reptiles

6

6 threatened

🐸

amphibians

3

3 threatened

🐟

fishes

72

72 threatened

🦗

insects

17

17 threatened

🌱

plants

146

146 threatened

Global Share

0.55%

of globally threatened species

Country Rank

#100

of 277 countries

Endemic Threatened

54

Found only here

Top Threats
1.Annual & perennial non-timber crops179 species
2.Logging & wood harvesting178 species
3.Mining & quarrying124 species
4.Fishing & harvesting aquatic resources99 species
5.Housing & urban areas97 species
6.Hunting & trapping terrestrial animals55 species
7.Type Unknown/Unrecorded (pollution)51 species
8.Dams & water management/use43 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). Sierra Leone: Biodiversity Dashboard. SpeciesRadar: Intelligence for Earth's Biodiversity. Available at: https://speciesradar.org/countries/SL

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 Sierra Leone?
Sierra Leone has 301 threatened species recorded in the SpeciesRadar database — 50 of those are Critically Endangered (CR), facing an extremely high risk of extinction. The figures combine IUCN Red List data with national red list assessments where available.
What is the most endangered species in Sierra Leone?
Among the 50 Critically Endangered species in Sierra Leone, Lamie bûcheron (Morimus asper) is one of the most at-risk — featured prominently on the country dashboard. The full list of CR species is filterable on the country page.
What protected areas exist in Sierra Leone?
Protected area coverage for Sierra Leone is summarised on the country dashboard, drawing on the World Database on Protected Areas (WDPA) and national park designations.