(PhysOrg.com) -- Flitting among the cool slopes of the Appalachian Mountains is a tiger swallowtail butterfly species that evolved when two other species of swallowtails hybridized long ago, a rarity ...

Monarch butterflies gained access to milkweeds after they evolved the metabolic trick of absorbing the cardiac glycosides by sequestering them in fat bodies Two species of milkweeds are abundant and ...

As butterflies go, the Eastern tiger swallowtail is pretty scary. Their caterpillars look more like stubby snakes, complete with a fake green head, faux black and yellow eyes, and an orange, forked, ...

Flitting among the cool slopes of the Appalachian Mountains is a tiger swallowtail butterfly that evolved when two other species of swallowtails hybridized long ago. Flitting among the cool slopes of ...

The peak season for one of our largest and most beautiful butterflies, the tiger swallowtail, is approaching. To be even more specific, it is time for the emergence of the second brood of the eastern ...

When someone says “butterfly,” what do you see in your mind? Many people think “monarch” but actually picture a beautiful tiger swallowtail in their mind. Tiger swallowtails are large yellow ...

This May has been overly cloudy and so I’ve wondered whether common signs of spring, such as the first leaves to appear or the first flowers to bloom, have been late because of the gloomy weather?