An IUCN Red List Critically Endangered 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 December 2023, of the 157,190 species currently on the IUCN Red List, 9,760 of those are listed as Critically Endangered, with 1,302 being possibly extinct and 67 possibly extinct in the wild.
The Pseudostigmatidae are a family of tropical damselflies, known as helicopter damselflies, giant damselflies, or forest giants. The family includes the largest of all damselfly species. They specialize in preying on web-building spiders, and breed in phytotelmata, the small bodies of water held by plants such as bromeliads.
The long-headed hill rat is a species of rodent in the family Muridae. It is found only in Sulawesi, Indonesia, where it is only known from Mount Tambusisi. Its natural habitat is subtropical or tropical dry forests. It is threatened by habitat loss.
The Komodo rat is a species of rodent in the family Muridae endemic to the surrounding islands of Flores in Indonesia, and formerly Flores itself. Its natural habitat is subtropical or tropical dry forests.It is threatened by habitat loss. It is thought to prefer open habitats. It has a body mass of around 100–200 grams (0.22–0.44 lb).
Goldman's woodrat is a rodent species in the family Cricetidae. It is found only in Mexico throughout the Mexican Plateau, stretching from southeastern Chihuahua to southern San Luis Potosí and northern Querétaro. The plateau is an average 5,988 ft. above sea level and covers a land area of 232,388 sq. miles.
The Cameroon soft-furred mouse or Cameroon praomys is a species of rodent in the family Muridae. It is found in Cameroon and Equatorial Guinea. Its natural habitat is subtropical or tropical moist montane forests. It is threatened by habitat loss.
The gray-tailed narrow-headed rat is a species of rodent in the family Muridae. It is found only in Ethiopia. Its natural habitats are subtropical or tropical moist montane forests, subtropical or tropical high-elevation shrubland, and subtropical or tropical high-elevation grassland. It is threatened by habitat loss.
The charming thicket rat is a species of rodent in the family Muridae. It is described as data deficient as Thamnomys schoutedeni. It is found in Democratic Republic of the Congo, Rwanda, and Uganda. Its natural habitat is subtropical or tropical moist montane forests. It is threatened by habitat loss.
Hypericum socotranum is a species of flowering plant in the Hypericaceae family which is endemic to the island of Socotra in Yemen. Its natural habitats are subtropical or tropical dry forests and rocky areas.
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 Ugandan lowland shrew or Moon 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 montane forests.
The Iranian shrew is a species of mammal in the family Soricidae. It is endemic to Iran. It is threatened by habitat loss.
Pearson's long-clawed shrew is a species of mammal in the family Soricidae. It is the only species within the genus Solisorex. It is endemic to Sri Lanka. Its natural habitats are subtropical or tropical dry forests and lowland grasslands. It is threatened by habitat loss. It is named after Joseph Pearson FRSE, Director of the Columbo Museum 1910-1933 who found it on 1 January 1924.
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 likely named for Paramushir Island, home to several other species of shrew in the genus Sorex.
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 Mount Cameroon forest shrew or arrogant shrew, is a species of mammal in the family Soricidae endemic to Cameroon. Its natural habitat is subtropical or tropical moist montane forests.
The greater forest shrew is a species of mammal in the family Soricidae found in Cameroon, the Central African Republic, the Republic of the Congo, Equatorial Guinea, Gabon, and Nigeria. Its natural habitat is subtropical or tropical moist lowland forest.
Mecistogaster is a genus of large Neotropical damselflies in the family Coenagrionidae, commonly known as helicopter damsels. There are eleven species distributed from Mexico to Argentina.
A vulnerable species is a species which has been categorized by the International Union for Conservation of Nature as being threatened with extinction unless the circumstances that are threatening its survival and reproduction improve.
