Among humans, conventional wisdom is that women pick men based on more than just looks. Not so with the female barn swallow. She doesn't give a hoot about personality. Guys, take note: Male barn ...

WASHINGTON – A little strategically placed makeup quickly turns the wimpiest male barn swallows into chick magnets, amping up their testosterone and even trimming their weight, new research shows.

WASHINGTON (AP) — A little strategically placed makeup quickly turns the wimpiest of male barn swallows into chick magnets, amping up their testosterone and even trimming their weight, new research ...

In the world of birds, where fancy can be as fleeting as flight, the color of the bird apparently has a profound effect on more than just its image. A new study of barn swallows reveals it also ...

A new study led by the University of Colorado at Boulder has shown the testosterone of male North American barn swallows skyrocketed early in the breeding season when their breast colors were ...

If you are a male barn swallow in the United States or the Mediterranean with dark red breast feathers, you’re apt to wow potential mates. But if you have long outer tail feathers in the United States ...

A little strategically placed makeup quickly turns the wimpiest of male barn swallows into chick magnets, amping up their testosterone and even trimming their weight, new research shows. It's a ...

If a male barn swallow’s plumage is more attractive than that of other males, his mate is less likely to have furtive flings with other wooers, new research suggests. Even plumage changes during the ...

ITHACA, N.Y. -- Even after they have paired with a male, the female North American barn swallow still comparison-shops for sexual partners. And forget personality; the females judge males by their ...

Ornamental tail feathers of male barn swallows (Hirundo rustica) confer an advantage in sexual selection because long-tailed males are preferred by females. However, the size of tail ornaments exceeds ...

"What nice spots you have" could apparently be a barn owl pickup line. A new study found that female barn owls with larger spots seem to up their sexy quotient, and have greater success in mating.

"What nice spots you have" could apparently be a barn owl pickup line. A new study found that female barn owls with larger spots seem to up their sexy quotient, and have greater success in mating.