One recent afternoon, a chorus of songbirds stirred me from a catnap on a backyard chaise. The fact that I noticed this impromptu chorus seemed encouraging; I have often ignored natural wonders, ...

Days started getting longer on Dec. 23, which means spring was on its way before Christmas. That’s kind of weird, when you think about it. I always pay attention to the birds around that time to see ...

Mountain chickadees in Boulder have evolved a different tune to avoid getting mixed up with their cousins, according to a new study led by the University of Colorado Boulder published Oct. 9 in the ...