Last seen in Hawaii in the 60’s, this beautifully coloured skink is now considered extinct from the Hawaiian Islands. The copper-striped blue-tailed skink (Emoia impar) persists in other tropical pacific island groups, with the extinction of the Hawaiian population possibly caused by invasive ant predation. The concern now is for similar at-risk species, with more details on ScienceDaily:

http://www.sciencedaily.com/releases/2012/03/120331095903.htm

 

Picture from ScienceDaily Article