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The tora hartebeest, or simply tora (Alcelaphus buselaphus tora), is an extremely endangered antelope, native to Eritrea and Ethiopia. It has possibly been extirpated from Sudan. One of the most critically endangered large mammals in the world, it is threatened by poaching and habitat loss. Perhaps fewer than 250 individuals remain in the wild ...
The Swayne's hartebeest is smaller than the Tora hartebeest, but both have a shorter forehead and similar appearance. [47] Generally short and shiny, the coat varies in colour according to subspecies. [48] The western hartebeest is a pale sandy-brown, but the front of the legs are darker. [43] The red hartebeest is a reddish-brown, with a dark ...
This is a list of the bird and mammal species and subspecies described as endangered by the United States Fish and Wildlife Service.It contains species and subspecies not only in the U.S. and its territories, but also those only found in other parts of the world.
The subfamily Alcelaphinae (or tribe Alcelaphini), [1] [2] of the family Bovidae, contains the wildebeest, tsessebe, topi, hartebeest, blesbok and bontebok, and several other related species. Depending on the classification, there are 6–10 species placed in four genera, although Beatragus is sometimes considered a subgenus of Damaliscus ...
"While the other hartebeest are decreasing in numbers, the three endangered subspecies are the Tora, Lelwel and Swayne's hartebeest": how about "All the hartebeest subspecies are decreasing in numbers, with three subspecies regarded as endangered: the Tora, Lelwel and Swayne's hartebeest"? OK, done.
Critically endangered (CR) species face an extremely high risk of extinction in the wild. As of January 2020, the International Union for Conservation of Nature (IUCN) listed 203 critically endangered mammalian species, including 31 which are tagged as possibly extinct. [1] [2] Of all evaluated mammalian species, 3.5% are listed as critically ...
The species is facing an extremely high risk of extinction in the wild. VU: Vulnerable: The species is facing a high risk of extinction in the wild. NT: Near threatened: The species does not meet any of the criteria that would categorise it as risking extinction but it is likely to do so in the future. LC: Least concern
The mediaeval great chain of being as a staircase, implying the possibility of progress: [1] Ramon Lull's Ladder of Ascent and Descent of the Mind, 1305. Alternatives to Darwinian evolution have been proposed by scholars investigating biology to explain signs of evolution and the relatedness of different groups of living things.