The grey-headed swamphen (Porphyrio poliocephalus) is a medium-sized waterbird in the rail and crake family, Rallidae. The species is native to Australia and New Guinea, where it is found in freshwater wetlands, including swamps, marshes, and lakes.
The grey-headed swamphen is a striking bird with a distinctive appearance. It has a long, red bill and a black face. Its plumage is dark grey, with white underparts. The legs are long and red. The grey-headed swamphen is a vocal bird, and its calls can be heard throughout the day. The species is known for its aggressive behaviour, and it has been known to attack other animals, including humans.