As of 2026, the International Union for Conservation of Nature (IUCN) listed 41 animal species as extinct in the wild. That is approximately 0.04% of all evaluated animal species. The IUCN also lists five animal subspecies as extinct in the wild.

This is a complete list of wild animal species and subspecies listed as extinct by the IUCN. Some of these species, such as Partula faba, have since become entirely extinct.

Molluscs

Species

Subspecies

Arthropods Oahu deceptor bush cricket (Leptogryllus deceptor) Simandoa cave roach (Simandoa conserfariam) Socorro isopod (Thermosphaeroma thermophilum)

Chordates There are 23 chordate species assessed as extinct in the wild.

Amphibians Wyoming toad (Anaxyrus baxteri) (only in captivity and within Mortenson Lake National Wildlife Refuge in Wyoming) Kihansi spray toad (Nectophrynoides asperginis)

Mammals Père David's deer (Elaphurus davidianus)

Reptiles Christmas Island blue-tailed skink (Cryptoblepharus egeriae) Christmas Island chained gecko (Lepidodactylus listeri) Hoan Kiem turtle (Rafetus leloii)

Fish

Birds

See also List of plants that are extinct in the wild

References