As of 2024, most of the threatened living species in Puerto Rico on the IUCN Red List consisted of plants, with 11 species under threat. Fishes ranked second with nearly 50 threatened species. Puerto Rico is among the Caribbean countries with the highest number of endangered plant species.
Number of threatened living species in Puerto Rico on the IUCN Red List in 2024, by taxonomic group
* Figures presented for these groups should be interpreted as the number of species known to be threatened within those species that have been assessed to date, and not as the overall total number of threatened species for each group.
According to the source, threatened living species include species that are critically endangered (CR), endangered (EN) or vulnerable (VU).
The acronym IUCN stands for International Union for Conservation of Nature and Natural Resources.
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IUCN. (October 28, 2024). Number of threatened living species in Puerto Rico on the IUCN Red List in 2024, by taxonomic group [Graph]. In Statista. Retrieved February 17, 2025, from https://www.statista.com/statistics/978566/number-threatened-species-puerto-rico-type/?__sso_cookie_checker=failed
IUCN. "Number of threatened living species in Puerto Rico on the IUCN Red List in 2024, by taxonomic group." Chart. October 28, 2024. Statista. Accessed February 17, 2025. https://www.statista.com/statistics/978566/number-threatened-species-puerto-rico-type/?__sso_cookie_checker=failed
IUCN. (2024). Number of threatened living species in Puerto Rico on the IUCN Red List in 2024, by taxonomic group. Statista. Statista Inc.. Accessed: February 17, 2025. https://www.statista.com/statistics/978566/number-threatened-species-puerto-rico-type/?__sso_cookie_checker=failed
IUCN. "Number of Threatened Living Species in Puerto Rico on The Iucn Red List in 2024, by Taxonomic Group." Statista, Statista Inc., 28 Oct 2024, https://www.statista.com/statistics/978566/number-threatened-species-puerto-rico-type/?__sso_cookie_checker=failed
IUCN, Number of threatened living species in Puerto Rico on the IUCN Red List in 2024, by taxonomic group Statista, https://www.statista.com/statistics/978566/number-threatened-species-puerto-rico-type/?__sso_cookie_checker=failed (last visited February 17, 2025)
Number of threatened living species in Puerto Rico on the IUCN Red List in 2024, by taxonomic group [Graph], IUCN, October 28, 2024. [Online]. Available: https://www.statista.com/statistics/978566/number-threatened-species-puerto-rico-type/?__sso_cookie_checker=failed