We do not expect to hear it said but a man mentioned he had heard his first robin. But of course, we hear birds more often than we see them. A sound, a bird’s call, is as accurate a confirmation, ...

Dan Stowell is a co-founder and shareholder of Warblr Ltd. He receives funding from the UK Engineering and Physical Sciences Research Council for his research on bird sounds. The sound of birds is ...

A quiet fall morning turns extraordinary with the sight and sound of hundreds of robins in migration. As fog lifts from the ...