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Population status

Extinct in the wild (EW) animals

20 species

An extinct in the wild (EW) species is one that has been categorized by the International Union for Conservation of Nature (IUCN) as only known by living members kept in captivity or as a naturalized population outside its historic range due to massive habitat loss.

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Spix's Macaw

Cyanopsitta spixii

The Spix's macaw (Cyanopsitta spixii), also known as the Little blue macaw - no longer lives in the wild and is by a long way the world’s rarest macaw. It had a very restricted natural habitat due to its dependence on the tree for nesting, feeding,...

Scimitar Oryx

Oryx dammah

The Scimitar oryx (Oryx dammah) is a Oryx species that was once widespread across North Africa. In 2000, it was declared extinct in the wild on the IUCN Red List. Scimitar oryx inhabited semideserts and deserts and were adapted to live in extreme...

Père David's Deer

Elaphurus davidianus

The Père David's deer (Elaphurus davidianus) is a species of deer, the only extant member of the genus Elaphurus. Based on genetic comparisons, Père David's deer is closely related to Eld's deer. Père David's deer were hunted almost to extinction in...

Black softshell turtle

Nilssonia nigricans

The black softshell turtle or Bostami turtle (Nilssonia nigricans ), previously placed in genus Aspideretes, is a species of freshwater turtle found in India (Assam and Tripura) and Bangladesh (Chittagong and Sylhet). It was long believed to be...

Hawaiian Crow

Corvus hawaiiensis

The Hawaiian crow or ʻalalā (Corvus hawaiiensis ) is a species of bird in the crow family, Corvidae, that is currently extinct in the wild, though reintroduction programs are underway. Today, the Hawaiian crow is considered the most endangered of...

Cryptoblepharus egeriae

The Cryptoblepharus egeriae, more commonly known as the Christmas Island Blue-Tailed Skink, once inhabited Christmas Island. The Christmas Island Blue-Tailed Skink was discovered in 1886. In 2002 scientists with the Christmas Island National Parks...

Alagoas Curassow

Mitu mitu

The Alagoas curassow (Mitu mitu) is a pheasant-like bird that was formerly found in forests of Brazil. It is now extinct in the wild. German naturalist Georg Marcgrave first identified the Alagoas curassow in 1648 in its native range. Subsequently,...

Guam Kingfisher

Todiramphus cinnamominus

The Guam kingfisher (Todiramphus cinnamominus) is a brilliantly colored, medium-sized kingfisher. It doesn't exist in the wild and now can be found only in captivity.

Wyoming toad

Anaxyrus baxteri

The Wyoming toad or Baxter's toad (Anaxyrus baxteri ) is an extremely rare amphibian that exists only in captivity and within Mortenson Lake National Wildlife Refuge in Wyoming in the United States. The Wyoming toad was listed as an endangered...

Socorro dove

Zenaida graysoni

The Socorro dove (Zenaida graysoni ) is a dove that is extinct in the wild. It was endemic to Socorro Island in the Revillagigedo Islands off the west coast of Mexico. The last sighting in its natural habitat was in 1972. There are not more than 200...

Kihansi spray toad

Nectophrynoides asperginis

The Kihansi spray toad (Nectophrynoides asperginis ) is a small toad endemic to Tanzania. The species is live-bearing and insectivorous. The Kihansi spray toad is currently categorized as "Extinct in the wild" by the International Union for...

Lepidodactylus listeri

Lepidodactylus listeri, also known commonly as Lister's gecko or the Christmas Island chained gecko, is a species of gecko, a lizard in the family Gekkonidae, endemic to Christmas Island in the Indian Ocean. It is currently extinct in the wild.

Golden skiffia

Skiffia francesae

Skiffia francesae, the golden skiffia or tiro dorado, is a species of splitfin endemic to the Rio Teuchitlán, a tributary of Río Ameca in western Mexico. It is extinct in the wild, but has been maintained in aquaria and the aquarium hobbyist trade.

Potosi pupfish

Cyprinodon alvarezi

Potosi pupfish (Cyprinodon alvarezi) is a species of fish in the family Cyprinodontidae. It is endemic to Mexico, but is now extinct in the wild, only surviving in captivity.

Dabry's sturgeon

Acipenser dabryanus

Dabry's sturgeon (Acipenser dabryanus), also known as the Yangtze sturgeon, Changjiang sturgeon and river sturgeon, is a species of fish in the sturgeon family, Acipenseridae. It is endemic to China and today restricted to the Yangtze River basin,...

Oncorhynchus kawamurae

Black kokanee (Oncorhynchus kawamurae), or kunimasu (国鱒, クニマス, " national trout") in Japanese, is a species of landlocked Pacific trout in Japan that was thought to be extinct for 70 years before being rediscovered in 2010. The species was...

Cyprinodon longidorsalis

Cyprinodon longidorsalis, the cachorrito de charco palmal or La Palma pupfish, is a species of fish in the family Cyprinodontidae. It was endemic to the Ojo de Agua la Presa in southwestern Nuevo Leon state in Mexico, but became extinct in the wild...

Marbled swordtail

Xiphophorus meyeri

The marbled swordtail (Xiphophorus meyeri) is a species of freshwater fish in the family Poeciliidae. It was endemic to the Rio Salado system (itself a part of the Rio Grande basin) in Coahuila, northeastern Mexico. It was restricted to springs,...

Monterrey platyfish

Xiphophorus couchianus

The Monterrey platyfish (Xiphophorus couchianus) is a species of freshwater fish in family Poecilidae. A live-bearer, it was native to a very small section of the San Juan River system (itself part of the Rio Grande basin) in the vicinity of the...

Ameca shiner

Notropis amecae

The Ameca shiner (Notropis amecae) is a species of cyprinid fish in the family Cyprinidae. The Ameca shiner was described in 1986 from upper parts of the Ameca River drainage in Jalisco, Mexico. Although already feared extinct by 1969, and listed as...