Enjoy these fascinating swallowtail butterfly facts. A female black swallowtail can lay up to 400 eggs in her short life ...

The zebra swallowtail of eastern forests is our personal choice for the most beautiful butterfly ... Females are a duller ...

Just as monarchs famously prefer milkweed for food and egg-laying, swallowtail butterflies also have a preferred food as ...

A research team has identified a new species of tiger swallowtail butterfly living in eastern parts of North America. In their study, published in the journal ZooKeys, Julian Dupuis, B.