Look closely at your backyard butterflies! Here's how to detect the subtle differences among the three butterflies that look like monarchs.

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 ...

As the name suggests, these are large black butterflies with “tails” extending from the lower wings. Yellow, orange ...

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 ...