Swallowtails are large butterflies, so naturally their caterpillars, or larvae, grow to be pretty good-sized. Many have beautiful or strange color patterns. The giant swallowtail caterpillar has a ...

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 ...

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 ...