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Animals in United States

76 mammal species are recorded in United States in this dataset, 11 of them in a threatened Red List category. United States sits in North America, where 155 species are recorded in total. Every species below is listed because the range description of its IUCN Red List assessment names United States.

They belong to 33 families, the best represented being Heteromyidae (9), Bovidae (7), Cervidae (7). By Red List category: 2 Critically Endangered, 2 Endangered, 7 Vulnerable, 4 Near Threatened, 61 Least Concern.

These counts come from the text of each assessment rather than from an official country checklist, so a species whose assessment names a region without naming United States is missing here, and a wide-ranging animal is counted in every country it crosses. All 76 of them have a full written profile.

Species recorded
76
Threatened
11
Continent
North America
Data updated
August 9, 2026

Conservation status in United States

The most threatened species in United States

8 of the 11 species recorded here that the IUCN Red List places in a threatened category — Vulnerable, Endangered or Critically Endangered.

The families found in United States

  • Heteromyidae 9
  • Bovidae 7
  • Cervidae 7
  • Mustelidae 6
  • Canidae 5
  • Felidae 4
  • Phocidae 4
  • Cricetidae 3

Every species recorded in United States

Species 1 to 50 of 76, written profiles first.

Where to go from United States

The countries in North America that share the most species with United States, by number of species recorded in both.

Species data from the IUCN Red List; countries are derived from the range description of each assessment. Last refreshed on August 9, 2026.