Endangered species: any species of wildlife whose continued existence as a viable component of the state's wild fauna is determined to be in jeopardy. That term shall also include any species of wildlife determined to be an endangered species pursuant to Pub. L. No. 93-205 (December 28, 1973), the Endangered Species Act of 1973, and amendments thereto.

Threatened species: any species of wildlife which appears likely, within the foreseeable future, to become an endangered species. That term shall also include any species of wildlife determined to be a threatened species pursuant to Pub. L. No. 93-205 (December 28, 1973), the Endangered Species Act of 1973, and amendments thereto.

Species in Need of Conservation: any nongame species deemed to require conservation measures in attempt to keep the species from becoming a threatened or endangered species.

Nongame species: any species of wildlife not legally classified a game species, furbearer, threatened species, or endangered species by statute or by rule and regulation adopted pursuant to statute.

Critical Habitat: specific areas documented as currently providing essential physical and biological features and supporting a self-sustaining population of a listed species; or specific areas not documented as currently supporting a listed species, but determined essential for the listed species by the secretary.

Action: any activity resulting in the physical alteration of a listed species' critical habitat, physical disturbance of a listed species, or destruction of individuals of a listed species.