One rainy morning a week ago, I hear a beautiful bird song that I cannot quite identify. It’s longish, sweet and melodic. From in the bedroom, I glance over at the feeders and there’s the usual ...

A baby's babbling may sound like nonsense, but it's actually an extended act of trial-and-error learning. As babies produce ...

UNIVERSITY PARK, Pa. — Sophisticated birdsong follows strict grammatical rules, much like human sentences. But what happens when birds can’t hear themselves sing? A new international study of ...

AMHERST, Mass. – They say that hindsight is 20/20, and though the theory of ecological speciation — which holds that new species emerge in response to ecological changes — seems to hold in retrospect, ...