A 'viral' birdsong makes new revelations about animal culture

• 1 year ago
• Radio
• Duration 12:09

A landmark 20-year study has found that a new kind of birdsong has gone "viral" in sparrow populations from British Columbia to Quebec. Ken Otter, a biology professor at the University of Northern British Columbia, and Scott Ramsay, an associate professor at Wilfrid Laurier University, join Piya Chattopadhyay to talk about their discovery — and what it reveals about animal culture.