On Point Published by On Point Why You Should Worry About The Butterflies Listen 46 min Queue Download this audio Want to embed this player? Use the code below. More info. <iframe frameborder="0" scrolling="no" height="130" width="100%" src="https://www.wnyc.org/widgets/ondemand_player/wnyc/#file=/audio/json/396218/&share=1"></iframe> Share on Facebook Share on Twitter Email a Friend This year's monarch butterfly migration is the smallest ever recorded. We'll ask why. It's a big story. Plus: how climate change is creating new hybridized species.