Why it's perfectly normal to see baby puffins thrown off cliffs in Iceland each year

Digital creator Kyana Sue Powers says residents of Vestmannaeyjar treat puffling season as a regular part of life. "It's just what you do, it's as normal to do as recycling cans," she told NPR. (Kyana Sue Powers)

Watching thousands of baby puffins being tossed off a cliff is perfectly normal for the people of Iceland's Westman Islands.

This yearly tradition is what's known as "puffling season" and the practice is a crucial, life-saving endeavor.