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

Then enjoy watching the swallowtail caterpillars grow, knowing you’re supporting local butterfly populations. A tiger ...

The butterfly appears to be a hybrid between two known tiger swallowtail species — P. glaucus and P. canadensis — but because it lives in a range where neither of these species are present ...

The Delaware state bug is the ladybug. The state butterfly is the tiger swallowtail. The state bird, of course, is the blue hen. Delaware doesn't have a state dragonfly, but that's about to change.

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