Visually, it bears similarities to the tiger swallowtail, but this butterfly is mainly black with distinctive yellow, orange, red, and blue markings on its wings. The black swallowtail can be ...

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

Here's how to identify an Eastern tiger swallowtail ... black parallel stripes at the top of each wing and a solid black stripe along base. Female Eastern swallowtails tend to have more blue ...