Humans like to play, right? We play cards, we play baseball and basketball, we go fishing or take a hike into the mountains. It's our play time, time to recharge, refocus, relax. Did you know animals like to play, too? And many times, our playgrounds infringe on wildlife habitat. But how does that affect their behavior? Does it affect their behavior? Today's guest, Dr. Joel Berger, a wildlife biologist based at Colorado State University but who considers the world's wild places as his playground, joins us today to talk about our human recreation and the impacts it has on wildlife.