noun
vulnerable species
A conservation status category used by organizations such as the IUCN for species facing a high risk of extinction in the wild. Used in ecological and environmental contexts.
その鳥は危急種に指定されている。
That bird is designated as a vulnerable species.
危急種の保護活動が急務だ。
Conservation efforts for vulnerable species are urgent.
Compound of 危急 (emergency, crisis) and 種 (species). A modern technical term likely coined as a translation of the IUCN category 'vulnerable species'.