There's hope!

http://sciencenow.sciencemag.org/cgi/content/full/2006/420/2

First paragraph of the article:

Despair Not, Frumpy Guys

By Julie Rehmeyer
ScienceNOW Daily News
20 April 2006

Always going after the attractive guy can have its downsides. Female birds
gravitate toward flashy fellows, for example, but if they always picked
mates with the same showy traits, the population would eventually become
inbred. A new study of wild finches suggests a solution to the puzzle:
All the males with showy feathers get paired in the spring. In the summer,
still-single females fly far from home, where they settle for males with
more subdued plumage and thereby contribute to the genetic diversity of
the population. 

Chris

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