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The addax (Addax nasomaculatus), also known as the white antelope and the screwhorn antelope, is an antelope native to the Sahara Desert. The only member of the genus Addax, it was first described scientifically by Henri de Blainville in 1816. As suggested by its alternative name, the pale antelope has long, twisted horns – typically 55 to 80 ...
Most commonly, the declines involve reductions in abundance, though in some cases entire species are going extinct. The declines are far from uniform. In some localities, there have been reports of increases in overall insect population, and some types of insects appear to be increasing in abundance across the world. [10]
29. Addax. These antelope-like animals have a whimsical appearance thanks to their signature spiral horns. Because of illegal hunting, they are sadly nearly extinct in the wild. 30. Acadian Flycatcher
As of July 2016, the International Union for Conservation of Nature (IUCN) lists 58 extinct species, 46 possibly extinct species, and one Extinct in the wild species of insect. [ 1 ] [ 2 ] Caddisflies
Eight of the extinct bird species were found in Hawaii, including the Po`ouli, which was last seen in 2004. The Po`ouli is the most recently seen species of all 21 animals on the list.
Deterministic metapopulation models assume that there are an infinite number of habitat patches available and predict that the metapopulation will go extinct only if the threshold is not met. [1] dp/dt = chp (1-p)-ep. Where p= occupied patches, e= extinction rate, c= colonization rate, and h= amount of habitat. A species will persist only if h> δ
Despite the world's last captive thylacine dying in 1936, the secretive animal wasn't declared extinct until 1986. More recently in 2007 the Baiji dolphin , a rare river dolphin native to China ...
Extinct species include several gazelles, the aurochs, the Malagasy hippopotamus, the bluebuck, and Schomburgk's deer. Two species, the scimitar-horned oryx and Père David's deer , are extinct in the wild . 14 species are considered critically endangered , including the addax , the kouprey , the wild Bactrian camel , Przewalski's gazelle , the ...