Here's how to identify an Eastern tiger swallowtail butterfly and ... of each wing and a solid black stripe along base. Female Eastern swallowtails tend to have more blue on the hindwings than ...

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.

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

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