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 ...

They can either be yellow, like the males of their species ... knowing you’re supporting local butterfly populations. A tiger swallowtail flying against the blue sky is a lovely sight.

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.