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 new study shows the outward appearance of female barn swallows, specifically the hue of their chestnut-colored breast feathers, has an influence on their physiological health. A new study conducted ...

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 ...

Beauty is in the eye of the beholder—even if that beholder is a barn swallow. Depending on where the birds live, some of them may favor mates with a paler chest color while others find a redder chest ...

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 ...

BOULDER, Colorado – North American barn swallows, which are widespread throughout Colorado, outperform their peers in reproduction by maintaining a positive balance of antioxidants, according to a new ...

BOULDER – North American barn swallows, which are widespread throughout Colorado, outperform their peers in reproduction by maintaining a positive balance of antioxidants, according to a new study ...