Monarch butterflies are important culturally and ecologically across North America. Generations have watched in wonder as yellow-and-black striped caterpillars fold into green-and-gold chrysalises and ...

These big, yellow butterflies are common in ... There are six other common swallowtail butterflies that live in North America. Adult butterflies sip the nectar of milkweed, Joe Pye weed, wild ...

Following a migration that started in Mexico, monarch butterflies have reached Michigan. Here's where they've been spotted.

Monarch butterflies are important culturally and ecologically across North America. Generations have watched in wonder as yellow-and-black striped caterpillars fold into green-and-gold chrysalises and ...