Wednesday, November 3, 2010

Species at Risk Definitions

Extirpated: A species that has become extinct in one area at least, but still exists in other area(s)

Endangered: A species whose numbers are so small it is at risk of becoming extinct or extirpated if extensive measures to protect it are not undertaken

Threatened: A species that is likely to become endangered if not protected in some way

Special Concern: A species that is not endangered or threatened but extremely uncommon or has unique or highly specific habitat requirements



http://www.surfbirds.com/media/gallery_photos/20081224110139.JPG