An IUCN Red List Critically Endangered (CR) species is one that has been categorized by the International Union for Conservation of Nature as facing an extremely high risk of extinction in the wild. As of 2021, of the 120,372 species currently tracked by the IUCN, there are 8,404 species that are considered to be Critically Endangered.
The Tatra pine vole, also called the Tatra vole or Tatra ground vole, is a species of vole endemic to the Carpathian mountain range in Slovakia, Poland, Ukraine and Romania. Two subspecies have been recognised. M. t. tatricus occupies the western part of the range in Slovakia and Poland, and M. t. zykovi is found in Ukraine and Romania.
A species that is extinct in the wild (EW) is one that has been categorized by the International Union for Conservation of Nature as known only by living members kept in captivity or as a naturalized population outside its historic range due to massive habitat loss.
The Canary long-eared bat, also known as the Canary big-eared bat or Tenerife long-eared bat, is a species of vesper bat endemic to the Canary Islands. According to the IUCN, it is vulnerable to the risk of extinction. The species is primarily found in woodland habitat at elevations between 100 and 2300 m. It feeds mainly on moths. Roosting sites include caves, lava tubes and abandoned buildings.
The Kerala rat is a species of rodent in the family Muridae found only in Kerala, India. In Kerala, it is known only from fragmented locations in Alappuzha, Thrissur, and Thiruvananthapuram. Its natural habitats are subtropical or tropical dry lowland grassland and swamps.
Villa's gray shrew is a shrew native to northeastern Mexico, where it is called musaraña.
The Somali hedgehog is a species of mammal in the family Erinaceidae. It is endemic to Somalia and Somaliland. The Somali hedgehog is nocturnal.
The Bornean water shrew is a species of mammal in the family Soricidae. It is endemic to Malaysia. Its natural habitat is rivers. It is threatened by habitat loss.
The Andaman spiny shrew or Andaman shrew is a species of mammal in the family Soricidae. It is endemic to India. Its natural habitat is subtropical or tropical dry forests. It is threatened by habitat loss.
The pale gray shrew is a species of mammal in the family Soricidae. It is endemic to Pakistan. It is threatened by habitat loss.
The Ugandan lowland shrew is a species of mammal in the family Soricidae. It is found in Kenya and Uganda. Its natural habitats are subtropical or tropical swamps and subtropical or tropical moist montane forest. It is threatened by habitat loss.
The Paramushir shrew is a species of mammal in the family Soricidae. It is endemic to Russia. Its natural habitat is temperate forests. It is threatened by habitat loss.
Day's shrew is a species of mammal in the family Soricidae. It is endemic to India. Its natural habitat is subtropical or tropical dry forests. It is threatened by habitat loss.
The Sakeji horseshoe bat is a species of bat in the family Rhinolophidae. It is endemic to Zambia. Its natural habitats are subtropical or tropical dry forest, subtropical or tropical moist lowland forest, and moist savanna, especially Zambia, Mwinilunga District, Ikelenge Pedicle between the Sakeji and Zambezi rivers, approximately 11 km NNE of source of Zambezi River, Kavunda, 11°17'S, 24°21'E, 1,388 m. It is threatened by habitat loss. It was discovered in 2000.
Glyptorhagada bordaensis is a species of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Camaenidae. This species is endemic to Australia.
Glyptorhagada silveriis a species of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Camaenidae. This species is endemic to Australia.
Glyptorhagada tattawuppana is a species of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Camaenidae. This species is endemic to Australia.
A vulnerable species is a species which has been categorized by the International Union for Conservation of Nature that is threatened with extinction unless the circumstances that are threatening its survival and reproduction improve.
