The small 8-inch owls produce tremulous trills that can sound chilling in the darkness, as heard during the recent Bethlehem/Easton Christmas Bird Count.

It’s March. This is when I find myself torn between clinging to winter and beginning to look for signs of spring, for the forest to begin to shake off its winter torpor. A time to look for breeding ...

A large body of research supports the health benefits of being an early bird. But being a night owl isn't all bad, say experts. (Photo illustration: Aïda Amer for Yahoo News; photos: Getty Images) ...