Search results
Browse the list of species by conservation status, from critically endangered to vulnerable. Find out more about the work WWF is doing to protect endangered species and their habitats.
Common NameScientific NameConservation Status ↓Panthera pardus orientalisCritically EndangeredDiceros bicornisCritically EndangeredPongo pygmaeusCritically EndangeredGorilla gorilla diehliCritically EndangeredThe IUCN Red List is the world's most comprehensive source of information on the extinction risk of animal, fungi and plant species. It classifies species into nine categories based on their population size, habitat, threats and conservation actions.
Learn what makes a species endangered and how humans and nature can threaten their survival. Explore examples of endangered animals and plants, and the causes and solutions for their conservation.
Learn what an endangered species is, how it is assessed by the IUCN Red List, and what threats and conservation efforts affect it. See examples of endangered species from different categories and regions, such as Brazil.
- Javan Rhinos. Once found throughout south-east Asia, Javan rhinos have suffered a staggering decline in their numbers due to hunting and habitat loss.
- Amur Leopard. The Amur leopard is one of the rarest big cats in the world, with only around 100 individuals left in the wild. Although their wild population seems to be stable and increasing, these leopard subspecies are still critically endangered since 1996.
- Sunda Island Tiger. The Sunda Island tiger, or the Sumatran tiger, is the smallest tiger subspecies in the world, weighing up to 140kg. For reference, the tigers that live in the Amur region are the biggest of all the big cats where males can weigh up to twice as much as Sunda Island tigers.
- Mountain Gorillas. The Mountain gorilla is a subspecies of the eastern gorilla, which lives in two isolated populations in the high-altitude forests up in the volcanic, mountainous regions of the Democratic Republic of Congo, Rwanda and Uganda, and in the Bwindi Impenetrable National Park of Uganda.
Aug 14, 2024 · Learn about the factors that threaten biodiversity and the efforts to protect endangered species. Explore the IUCN Red List, the ESA, the CITES, and other systems of species assessment and conservation.
Learn how the Service works to conserve and recover endangered and threatened species under the Endangered Species Act. Find out about the laws, regulations, projects, initiatives, and species on the verge of extinction.