Marshall Islands

100 threatened species · Biodiversity Intelligence Dashboard

Threatened Species

100

CR + EN + VU

Critically Endangered

4

Highest risk

Endangered

59

Very high risk

Vulnerable

37

High risk

Declining

81%

81 species

Category Breakdown
EN 59
VU 37
CR: 4
EN: 59
VU: 37

Critically Endangered

44%

Extremely high risk of extinction in the wild.

Endangered

5959%

Very high risk of extinction in the wild.

Vulnerable

3737%

High risk of extinction in the wild.

Threatened total — 100 species

Species by Group
🐾

mammals

1

1 threatened

🐦

birds

6

6 threatened

🐢

reptiles

2

2 threatened

🐟

fishes

20

20 threatened

Global Share

0.18%

of globally threatened species

Country Rank

#182

of 277 countries

Endemic Threatened

0

Found only here

Top Threats
1.Fishing & harvesting aquatic resources75 species
2.Habitat shifting & alteration71 species
3.Invasive non-native/alien species/diseases57 species
4.Annual & perennial non-timber crops57 species
5.Type Unknown/Unrecorded (pollution)56 species
6.Problematic native species/diseases55 species
7.Recreational activities54 species
8.Agricultural & forestry effluents52 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). Marshall Islands: Biodiversity Dashboard. SpeciesRadar: Intelligence for Earth's Biodiversity. Available at: https://speciesradar.org/countries/MH

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 Marshall Islands?
Marshall Islands has 100 threatened species recorded in the SpeciesRadar database — 4 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 Marshall Islands?
Among the 4 Critically Endangered species in Marshall Islands, Short-eared Owl (Asio flammeus) 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 Marshall Islands?
Protected area coverage for Marshall Islands is summarised on the country dashboard, drawing on the World Database on Protected Areas (WDPA) and national park designations.