The spiny caterpillar feeds at night on violets. One of the most spectacular of all North American butterfly species, this swallowtail’s singular tiger stripes and large size make it ...

Before National Geographic published its famous August 1976 cover story detailing the search for the monarch butterfly’s wintering grounds, nobody knew where these strikingly beautiful creatures ...

The number of monarch butterflies spending winter in the western U.S. dropped dramatically this year, despite moves to extend ...

Monarch butterflies are important culturally and ecologically across North America. Generations have watched in wonder ... working hard to win them protection under the U.S. Endangered Species Act and ...

I really want to spread the word that we should not give up right now,” said Isis Howard, a conservation biologist with the Xerces Society.

“Restoring these vital habitats isn’t just about saving a species ... and spiritually. The butterflies themselves are vital pollinators in North America and their absence can create ecological ...

The number of monarch butterflies spending the winter in the western United States dropped dramatically this year even as ...