A giant swallowtail butterfly is large and stunning. Learn what what the caterpillars and adult butterflies look like and ...

Attract the elegant zebra swallowtail butterfly to your yard by growing nectar plants. Also discover the host plant for the ...

Black and white stripes combined with a knobbly body make the caterpillar look remarkably like bird droppings. This unappetising outfit is a clever ploy to hide in plain sight, a trick used by ...

Just as monarchs famously prefer milkweed for food and egg-laying, swallowtail butterflies also have a preferred food as caterpillars. They prefer the leaves of members of the carrot family. But, if ...

Swallowtail distribution is wholly dictated by the availability of milk parsley, its caterpillar food source. When the Norfolk Broads were actively managed by reedcutters who harvested both reed ...