Fill your herb garden with black swallowtail butterflies. Learn what the caterpillar, eggs and adult butterflies look like.

The swallowtail butterfly family contains up to 700 species in the world, most of them tropical. More than two dozen are found in North America with seven found regularly in Texas. Swallowtail ...

About 170 butterfly species occur in North Carolina as permanent residents, regular visitors, or rare strays. Some of these are restricted to either the coastal or mountain regions. I'd estimate that ...

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Sometimes, nature's surprises come with wings. In a new study, scientists have pulled from a 35-year dataset to examine long-term population trends of the federally endangered Schaus's swallowtail ...