critically endangered
in the IUCN Criteria for threatened species, a taxon is Critically Endangered when it is facing an extremely high risk of extinction in the wild in the immediate future. Abbreviated CR

Dictionary of ichthyology. 2009.

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  • Critically Endangered — Conservation status by risk of extinction Extinct Extinct Extinct in …   Wikipedia

  • Critically Endangered —   (CR)   IUCN Red List category in which the best available evidence indicates that a taxon is facing an extremely high risk of extinction in the wild.   See also Data Deficient, Endangered, Extinct, Extinct in the Wild, Least Concern, Near… …   Expanded glossary of Cycad terms

  • Critically endangered species — Organisms with a conservation status of critically endangered have an extremely high risk of becoming extinct.IUCN CategoryThe World Conservation Union (IUCN), widely considered to be the most objective and authoritative system for classifying… …   Wikipedia

  • critically endangered species — noun a threatened species that is facing an extremely high risk of extinction in the wild in the immediate future. Compare endangered species, vulnerable species. A species is classified as critically endangered if it meets any of the following… …   Australian English dictionary

  • Endangered species — An endangered species is a population of an organism which is at risk of becoming extinct because it is either few in numbers, or threatened by changing environmental or predation parameters. An endangered species is usually a taxonomic species,… …   Wikipedia

  • Endangered language — An endangered language is a language that is at risk of falling out of use. If it loses all its native speakers, it becomes a dead language. If eventually no one speaks the language at all it becomes an extinct language . The total number of… …   Wikipedia

  • endangered species — /ɛndeɪndʒəd ˈspisiz/ (say endaynjuhd speeseez) noun 1. a threatened species that is facing a very high risk of extinction in the wild in the near future. Compare critically endangered species, vulnerable species. 2. Colloquial (humorous)… …   Australian English dictionary

  • endangered — said of a taxon facing imminent extirpation (nationally) or extinction (world wide). In the IUCN Criteria for threatened species, a taxon is Endangered when it is not Critically Endangered but is facing a very high risk of extinction in the wild… …   Dictionary of ichthyology

  • Endangered —   (EN)   IUCN Red List category in which a taxon is facing a very high risk of extinction in the wild.   See also Critically Endangered, Data Deficient, Extinct, Extinct in the Wild, Least Concern, Near Threatened, Vulnerable …   Expanded glossary of Cycad terms

  • Endangered Species Act — Full title An Act to provide for the conservation of endangered and threatened species of fish, wildlife, and plants, and for other purposes Acronym ESA Enacted by the 93rd United States Congress Effective …   Wikipedia

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