Swallowtail butterfly Swallowtail butterfly Swallowtail butterflies are large, colorful butterflies in the family Papilionidae, and include over 550 species. Though the majority are tropical, members of the family inhabit every continent except Antarctica. The family includes the largest butterflies in the world, the birdwing butterflies of the genus "Ornithoptera". Swallowtails have a number of distinctive features; for example, the papilionid caterpillar bears a repugnatorial organ called the osmeterium on its prothorax. The osmeterium normally remains hidden, but when threatened, the larva turns it outward through a transverse dorsal groove by inflating it with fluid. The forked appearance of the swallowtails' hindwings, which
Hamish Peacock and made the final in each. In the 2007 World Youth Championships in Ostrava Peacock finished second in the javelin. Peacock is the older brother of fellow athlete Huw Peacock. Huw was selected, along with Hamish, to participate in the 2014 Commonwealth Games in Glasgow. Huw's event is the Hammer throw. Huw is ranked 15th on the Australian all-time hammer throw rankings, with a personal best of 68.48m. Huw is two years younger than Hamish. Both are coached by their father Evan, and are based at the Domain Athletics Centre in Hobart, Tasmania. Hamish Peacock Hamish Peacock (born 15 October