Puerto Rico

252 threatened species · Biodiversity Intelligence Dashboard

Threatened Species

252

CR + EN + VU

Critically Endangered

54

Highest risk

Endangered

86

Very high risk

Vulnerable

112

High risk

Declining

42%

105 species

Category Breakdown
CR 54
EN 86
VU 112
CR: 54
EN: 86
VU: 112

Critically Endangered

5421%

Extremely high risk of extinction in the wild.

Endangered

8634%

Very high risk of extinction in the wild.

Vulnerable

11244%

High risk of extinction in the wild.

Threatened total — 252 species

Species by Group
🐾

mammals

5

5 threatened

🐦

birds

21

21 threatened

🐢

reptiles

12

12 threatened

🐸

amphibians

15

15 threatened

🐟

fishes

41

41 threatened

🌱

plants

117

117 threatened

Global Share

0.46%

of globally threatened species

Country Rank

#118

of 277 countries

Endemic Threatened

62

Found only here

Top Threats
1.Housing & urban areas89 species
2.Annual & perennial non-timber crops85 species
3.Invasive non-native/alien species/diseases70 species
4.Logging & wood harvesting68 species
5.Habitat shifting & alteration54 species
6.Fishing & harvesting aquatic resources45 species
7.Fire & fire suppression43 species
8.Roads & railroads26 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). Puerto Rico: Biodiversity Dashboard. SpeciesRadar: Intelligence for Earth's Biodiversity. Available at: https://speciesradar.org/countries/PR

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 Puerto Rico?
Puerto Rico has 252 threatened species recorded in the SpeciesRadar database — 54 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 Puerto Rico?
Among the 54 Critically Endangered species in Puerto Rico, Epinephelus striatus 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 Puerto Rico?
Protected area coverage for Puerto Rico is summarised on the country dashboard, drawing on the World Database on Protected Areas (WDPA) and national park designations.