The popular game debuts its new animated series this weekend. March 17, 2013— -- intro: "Angry Birds," the popular smartphone app game, already has become one of the top paid apps of all time.

Bird song is beautiful and fascinating. I love hearing the first songs of returning lazuli buntings, western tanagers and Bullock’s orioles this time of year. And it’s fun to chase down some mystery ...

Song allows the bird to "speak" better than and other family of creatures. It is the perfect medium for communicating over long distances, or when it is hard to see the singer - and the audience: for ...