Dr. Walter Piper Shares the Science Behind Loon Calls

In this video, Mandaamin (Ava) wonders what her favorite loon call means. She poses this question to Dr. Walter Piper, who shares the science behind loon calls. Dr. Piper is a professor of biology at Chapman University in Orange, California, and has been studying loons for three decades. Learn more about his work at loonproject.org/.
Visit www.nationallo... to learn more about the National Loon Center.