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
🌱

plants

117

117 threatened

🐟

fishes

41

41 threatened

🐦

birds

21

21 threatened

🐸

amphibians

15

15 threatened

🪱

other invertebrates

15

15 threatened

🐢

reptiles

12

12 threatened

🍄

fungi

10

10 threatened

🦀

crustaceans

6

6 threatened

🐾

mammals

5

5 threatened

🪸

corals

5

5 threatened

🐚

molluscs

5

5 threatened

Global Share

0.45%

of globally threatened species

Country Rank

#117

of 250 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 on SpeciesRadar — 54 of those are Critically Endangered, facing an extremely high risk of extinction. The figures combine IUCN Red List data with national red list assessments where available.
How many Critically Endangered, Endangered, and Vulnerable species does Puerto Rico have?
Of the 252 threatened species in Puerto Rico, 54 are Critically Endangered, 86 are Endangered, and 112 are Vulnerable. Together these three IUCN Red List categories make up the "threatened" total.
What is the most endangered species in Puerto Rico?
Among the 54 Critically Endangered species in Puerto Rico, Kiaerskovii Lidflower (Myrcia neokiaerskovii) is one of the most at-risk — featured prominently on the country dashboard. The full list of Critically Endangered species is filterable on the Species tab.
What protected areas exist in Puerto Rico?
SpeciesRadar does not yet catalogue protected areas for Puerto Rico. Where available, protected-area data is drawn from the World Database on Protected Areas (WDPA) and national designations.
Which animal and plant groups are most threatened in Puerto Rico?
The most affected groups in Puerto Rico, by number of threatened species, are plants (117), fishes (41), and birds (21). The full taxonomic breakdown is shown on the country dashboard.
What are the biggest threats to wildlife in Puerto Rico?
The leading threats to threatened species in Puerto Rico are housing & urban areas, annual & perennial non-timber crops, invasive non-native/alien species/diseases, and logging & wood harvesting. Each threat is mapped to the species it affects in the country's threat breakdown.
How many threatened species are found only in Puerto Rico?
Puerto Rico has 62 threatened species that are endemic — found nowhere else on Earth. Because their entire global population depends on this one country, they are especially vulnerable to local habitat loss.
How many of Puerto Rico's threatened species have declining populations?
105 of Puerto Rico's threatened species have populations that are still declining. Reversing these trends is the central focus of the conservation work the country dashboard tracks.
How does Puerto Rico compare to other countries for threatened species?
Puerto Rico ranks #117 of 250 countries by number of threatened species, and accounts for roughly 0.45% of all threatened species tracked worldwide. Threat is geographically concentrated, so a high rank reflects both rich biodiversity and intense pressure on it.
Where does the data for Puerto Rico come from, and can I download it?
SpeciesRadar draws on the IUCN Red List, the Global Biodiversity Information Facility (GBIF), the World Database on Protected Areas, and national red lists. Every table on the Puerto Rico profile — species, national red list, and protected areas — can be downloaded as a CSV spreadsheet or a branded PDF report.