It’s a diverse family, with more than 500 swallowtail butterfly species fluttering over six continents. Most are tropical, ...

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

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

Swallowtail caterpillars are green once they grow large Kerry Calloway, who helps manage the tropical butterfly house, says, 'When they are resting on top of a green leaf, they look just like bird ...

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.

Sometimes, nature’s surprises come with wings. In a new study, scientists pulled from a 35-year dataset to examine long-term ...