U.S. Outlying Islands

50 threatened species · Biodiversity Intelligence Dashboard

Threatened Species

50

CR + EN + VU

Critically Endangered

10

Highest risk

Endangered

13

Very high risk

Vulnerable

27

High risk

Declining

44%

22 species

Category Breakdown
CR 10
EN 13
VU 27
CR: 10
EN: 13
VU: 27
Species by Group
🐾

mammals

1

1 threatened

🐦

birds

6

6 threatened

🐢

reptiles

1

1 threatened

🐟

fishes

19

19 threatened

🌱

plants

9

9 threatened

Global Share

0.09%

of globally threatened species

Country Rank

#209

of 277 countries

Endemic Threatened

0

Found only here

Top Threats
1.Fishing & harvesting aquatic resources20 species
2.Habitat shifting & alteration14 species
3.Recreational activities10 species
4.Invasive non-native/alien species/diseases10 species
5.Type Unknown/Unrecorded (pollution)9 species
6.Logging & wood harvesting9 species
7.Problematic native species/diseases7 species
8.Annual & perennial non-timber crops6 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). U.S. Outlying Islands: Biodiversity Dashboard. SpeciesRadar: Intelligence for Earth's Biodiversity. Available at: https://speciesradar.org/countries/UM

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