critically endangered

American  

[krit-i-klee en-deyn-jerd] / ˈkrɪt ɪ kli ɛnˈdeɪn dʒərd /

adjective

Biology, Ecology.

1. (of athreatened species ) having the highest risk of extinction, as categorized by the IUCN Red List: CR

   The list of critically endangered frog species is alarmingly long.

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Etymology

Origin of critically endangered

First recorded in 1945–50

Example Sentences

Friday's decisions move whale sharks, manta rays and devil rays onto Appendix I after countries on Thursday did the same for the critically endangered oceanic whitetip shark.

From Barron's

Globally, about 37 percent of oceanic shark and ray species are now listed as either endangered or critically endangered by the International Union for Conservation of Nature, a database for threatened species.

From Barron's

The unusual species was spotted during targeted surveys of the critically endangered wildflower Marianthus aquilonarius, which grows only within the Bremer Range region located between Norseman and Hyden.

From Science Daily

One eel species, Anguilla anguilla, or the European eel, is considered critically endangered and was added to Appendix II in 2009.

From Barron's

Proponents argue that eel species are effectively indistinguishable when young -- the point at which they are generally traded -- meaning the critically endangered Anguilla anguilla is often being passed off as other species.

From Barron's