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 looks: the reddish ...

For female North American barn swallows, looking good pays healthy dividends. A new study conducted at the University of Colorado Boulder and involving Cornell University shows the outward appearance ...

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 ...

Barn swallows are found all over the world. You can spot a barn swallow on six continents: North and South America, Europe, ...

This is a preview. Log in through your library . Abstract Life history theory describes the optimization of important trade-offs within an individual's lifetime and predicts that an individual's ...

The most wide-spread members of the swallow family, barn swallows wing their way throughout the world, breeding generally in the Northern Hemisphere and wintering throughout most of the Southern ...

The barn swallow is a pretty little bird. It also can be an aggressive little pest. Therefore, human beings, and this individual human, tend to have a love-hate relationship with the swallow. In ...

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 ...