Biology: extinct, extirpated, and extant

Self-tutoring about biological terms: the tutor mentions definitions of three related ones.

extinct: no longer existing anywhere.

extirpated: no longer existing in a place it used to. However, it still does exist elsewhere.

extant: existing.

The trees and birds you see are members of extant species.

Extirpation happens commonly: the timber rattlesnake, for instance, is extirpated from Ontario, but still lives wild in many US states.

Source:

forestsociety.org

ontario.ca

dec.ny.gov

Jack of Oracle Tutoring by Jack and Diane, Campbell River, BC.

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