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It's Okay to Be Smart | The Mystery of the World’s Greatest Butterfly Migration

The Mystery of the World’s Greatest Butterfly Migration

The monarch butterfly migration is one of nature’s greatest events. This orange-winged wonder travels up to 4,500 km from all over North America to spend the winter hanging from oyamel fir trees in central Mexico’s mountain forests. But how does an animal with a brain the size of a poppy seed navigate to this one special place?

Premiere Date: April 15, 2019 | Runtime: 00:09:12

About It's Okay to Be Smart

This is a show about science. But it's probably not about science the way you're used to it. Hosted by Joe Hanson, author of the science blog, It's Okay to be Smart. Part of the PBS Digital Studios network.