On 29 January 2010, the IUCN Red List of Threatened Species identified 5220 (2754 Animalia, 1 Fungi, 2464 Plantae, 1 Protista) endangered species, subspecies and varieties, stocks and sub-populations.
For IUCN lists of endangered species by kingdom, see:
Animals (kingdom Animalia) — IUCN Red List endangered species (Animalia)Amphibians — List of endangered amphibiansBirds — List of endangered birdsFish — List of endangered fishesInvertebrates — List of endangered invertebratesArthropods — List of endangered arthropodsInsects — List of endangered insectsMolluscs List of endangered molluscsMammals — List of endangered mammalsReptiles — List of endangered reptilesFungi (kingdom Fungi) — IUCN Red List endangered species (Fungi)Plants (kingdom Plantae) — IUCN Red List endangered species (Plantae)Protists (kingdom Protista) — IUCN Red List endangered species (Protista)
