"It's a good thing the March 11th storm didn’t occur a couple of months ago, when temperatures were colder. Mortality in this storm would be from mechanical damange, not a freeze," said Dr. Lincoln Brower. "The butterflies are pretty tough, that’s the good news."
![March Storm at Monarch Butterfly Sanctuary in Mexico](https://s3.us-east-2.amazonaws.com/journeynorth.org/images/graphics/mexico/romero/romero_031615_02_800.jpg)
Estela Romero