"Canadian researchers have helped uncover 15 new bird species through a process of genetic testing they say will pave the way for cataloguing the world's organisms.

The discovery of so many new species was made possible after analyzing and comparing the DNA genetic "bar codes" of 643 North American bird species."
CBC News article here
( http://www.cbc.ca/technology/story/2007/02/19/science-dnabarcode.html#skip300x250 )