A research team has identified a new species of tiger swallowtail butterfly living in eastern parts of North America. In ...

These big, yellow butterflies are common in the eastern United States and a treat to spot in the garden. Here's how to identify an Eastern tiger swallowtail butterfly and attract them to your own ...

In the northeastern United States and southeastern Canada, species of tiger swallowtail butterflies typically have a flight period in the spring, but there was a group that appeared around the ...