One warm and muggy morning on my walk, I notice swallows gathering on overhead power lines. The pair closest to me are northern rough-wings, and they are well into the throes of courtship: she, ...

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

Here is a typical conversation that I have with fellow birders when I’m trying to bird for swallows. “There’s a swallow. There it goes. Here it comes. I wish it would perch someplace.” Swallows fly a ...

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 ...