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

From 2000 to 2020, the number of butterflies fell by 22% across the continental United States. That's one in five butterflies ...

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.

In the northeastern United States and southeastern Canada, species of tiger swallowtail ... different species all along. Having a different flight season from the other butterflies would also ...

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