Most ENDANGERED













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An endangered species is a species that is very likely to become extinct in the near future, either worldwide or in a particular political jurisdiction. Endangered species may be at risk due to factors such as habitat loss, poaching, invasive species, and climate change.[1] The International Union for Conservation of Nature (IUCN) Red List lists the global conservation status of many species, and various other agencies assess the status of species within particular areas. Many nations have laws that protect conservation-reliant species which, for example, forbid hunting, restrict land development, or create protected areas. Some endangered species are the target of extensive conservation efforts such as captive breeding and habitat restoration. • #mostendangered • #ecosystemstudies • Golden lion tamarin, an endemic and one of the endangered species saved from extinction in Brazil • A visual representation of endangered plant and animal species in Brazil from 2014 to 2022. The sidebar graph highlights the contrast between plant and animal conservation efforts. • The California condor is a critically endangered species. Note the wing tags used for population monitoring. • Human activity is a significant cause in causing some species to become endangered.[2][3][4][5] • Conservation status • edit • Main article: Conservation status • Photo of Pusa hispida saimensis, also known as Saimaa ringed seal, from 1956. Living only in Lake Saimaa, Finland, Saimaa ringed seals are among the most endangered seals in the world, having a total population of only about 400 individuals.[6] • The conservation status of a species indicates the likelihood that it will become extinct. Multiple factors are considered when assessing the status of a species; e.g., such statistics as the number remaining, the overall increase or decrease in the population over time, breeding success rates, or known threats.[7] The IUCN Red List of Threatened Species is the best-known worldwide conservation status listing and ranking system.[8] • Over 50% of the world's species are estimated to be at risk of extinction,[9] but the frontier between categories such as 'endangered', 'rare', or 'locally extinct' species is often difficult to draw given the general paucity of data on most of these species. This is notably the case in the world Ocean where endangered species not seen for decades may go extinct unnoticed.[10] • Internationally, 195 countries have signed an accord to create Biodiversity Action Plans that will protect endangered and other threatened species. In the United States, such plans are usually called Species Recovery Plans. • IUCN Red List • edit • Main article: Endangered species (IUCN status) • The Siberian tiger is an Endangered (EN) tiger subspecies. Three tiger subspecies are already extinct (see List of carnivorans by population).[11] • Blue-throated macaw, a critically endangered bird • Brown spider monkey, a critically endangered mammal • Siamese crocodile, a critically endangered reptile • American burying beetle, an endangered species of insect • Kemp's ridley sea turtle, a critically endangered reptile • The Mexican wolf, the most endangered subspecies of the North American grey wolf. Approximately 143 are living in the wild. • Though labeled a list, the IUCN Red List is a system of assessing the global conservation status of species that includes Data Deficient (DD) species – species for which more data and assessment is required before their situation may be determined – as well species comprehensively assessed by the IUCN's species assessment process.[12] The species under the index include: mammals, birds, amphibians, cycads, and corals. Those species of Near Threatened (NT) and Least Concern (LC) status have been assessed and found to have relatively robust and healthy populations, though these may be in decline. Unlike their more general use elsewhere, the List uses the terms endangered species and threatened species with particular meanings: Endangered (EN) species lie between Vulnerable (VU) and Critically Endangered (CR) species. In 2012, the IUCN Red List listed 3,079 animal and 2,655 plant species as endangered (EN) worldwide.[12] • In Brazil • In the United States • In Canada • In India • Invasive species • Climate change • Conservation • edit • The dhole, Asia's most endangered top predator, is on the edge of extinction. • Captive breeding • edit • Main article: Captive breeding • Captive breeding is the process of breeding rare or endangered species in human controlled environments with restricted settings, such as wildlife reserves, zoos, and other conservation facilities. Captive breeding is meant to save species from extinction and so stabilise the population of the species that it will not disappear.[43] • This technique has worked for many species for some time, with probably the oldest known such instances of captive mating being attributed to menageries of European and Asian rulers, an example being the Père David's deer. However, captive bre

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