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
47%
1,184 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
🌱
plants
820
820 threatened
🐟
fishes
349
349 threatened
🦗
insects
341
341 threatened
🐚
molluscs
231
231 threatened
🍄
fungi
171
171 threatened
🐦
birds
150
150 threatened
🦀
crustaceans
142
142 threatened
🐸
amphibians
82
82 threatened
🪱
other invertebrates
73
73 threatened
🐾
mammals
56
56 threatened
🪸
corals
48
48 threatened
🕷️
arachnids
42
42 threatened
🐢
reptiles
37
37 threatened
Global Share
4.56%
of globally threatened species
Country Rank
#4
of 248 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
Protected Areas
133 areas · 3,585,528 km²
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
United States has 2,542 threatened species recorded on SpeciesRadar — 699 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 United States have?
Of the 2,542 threatened species in United States, 699 are Critically Endangered, 765 are Endangered, and 1,078 are Vulnerable. Together these three IUCN Red List categories make up the "threatened" total.
What is the most endangered species in United States?
Among the 699 Critically Endangered species in United States, Dendrocephalus lithaca 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 United States?
United States has 133 protected areas catalogued on SpeciesRadar, sourced from the WDPA and national designations. Notable sites include Big Bend, Cascade Range Biosphere Reserve, Channel Islands, and Denali, among 129 others. The full list is sortable and downloadable on the Protected Areas tab.
Which animal and plant groups are most threatened in United States?
The most affected groups in United States, by number of threatened species, are plants (820), fishes (349), and insects (341). The full taxonomic breakdown is shown on the country dashboard.
What are the biggest threats to wildlife in United States?
The leading threats to threatened species in United States are invasive non-native/alien species/diseases, logging & wood harvesting, habitat shifting & alteration, and annual & perennial non-timber crops. Each threat is mapped to the species it affects in the country's threat breakdown.
How many threatened species are found only in United States?
United States has 1,096 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 United States's threatened species have declining populations?
1,184 of United States'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 United States compare to other countries for threatened species?
United States ranks #4 of 248 countries by number of threatened species, and accounts for roughly 4.56% 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 United States 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 United States profile — species, national red list, and protected areas — can be downloaded as a CSV spreadsheet or a branded PDF report.