United States

2,542 threatened species · Biodiversity Intelligence Dashboard

Threatened Species

2,542

CR + EN + VU

Critically Endangered

699

Highest risk

Endangered

765

Very high risk

Vulnerable

1,078

High risk

Declining

46%

1,181 species

Category Breakdown
CR 699
EN 765
VU 1078
CR: 699
EN: 765
VU: 1,078

Critically Endangered

69927%

Extremely high risk of extinction in the wild.

Endangered

76530%

Very high risk of extinction in the wild.

Vulnerable

1,07842%

High risk of extinction in the wild.

Threatened total — 2,542 species

Species by Group
🐾

mammals

56

56 threatened

🐦

birds

150

150 threatened

🐢

reptiles

37

37 threatened

🐸

amphibians

82

82 threatened

🐟

fishes

349

349 threatened

🦗

insects

341

341 threatened

🌱

plants

820

820 threatened

Global Share

4.65%

of globally threatened species

Country Rank

#4

of 277 countries

Endemic Threatened

1,096

Found only here

Top Threats
1.Invasive non-native/alien species/diseases916 species
2.Logging & wood harvesting823 species
3.Habitat shifting & alteration565 species
4.Annual & perennial non-timber crops464 species
5.Housing & urban areas400 species
6.Fishing & harvesting aquatic resources393 species
7.Fire & fire suppression331 species
8.Type Unknown/Unrecorded (pollution)300 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). United States: Biodiversity Dashboard. SpeciesRadar: Intelligence for Earth's Biodiversity. Available at: https://speciesradar.org/countries/US

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 United States?
United States has 2,542 threatened species recorded in the SpeciesRadar database — 699 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 United States?
Among the 699 Critically Endangered species in United States, stuifzandglimmer (Amara quenseli) 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 United States?
Protected area coverage for United States is summarised on the country dashboard, drawing on the World Database on Protected Areas (WDPA) and national park designations.