When it comes to survival of the fittest, female swallowtail butterflies are masters of disguise. Here's why.
By Rashmi Shivni, Teresa Carey
Caper White butterflies are migrating west of the Great Dividing Range, which is the third-longest stretch of mountains in the world, in order to lay their eggs and find food.
By Rebecca Oh
Loss of habitat has contributed to the 90 percent decrease of Monarch butterflies.
By Jasmine Wright
By PBS NewsHour
Every year, millions of North American monarch butterflies head south for the winter -- but recently their numbers have plummeted by up to 90 percent. In Washington, responding to a petition submitted by conservation organizations, the U.S. Fish and Wildlife…
By Larisa Epatko
First, it was disappearing bees. Now, it appears that Monarch butterflies are suffering a decline.
Support Provided By: Learn more
Educate your inbox
Subscribe to Here’s the Deal, our politics newsletter for analysis you won’t find anywhere else.