Would that human males were as smart ...

So they find that female barn swallows are not as dumb as they thought:

Physorg.com: More flight than fancy?

Scientists from the universities of Exeter and Cambridge have turned a textbook example of sexual selection on its head and shown that females may be more astute at choosing a mate than previously thought.

Now if we could do something about human females (and males) who follow the dictates of a woman-hating fashion industry.