The Hudsonian godwit (Limosa haemastica) is a large shorebird in the sandpiper family, Scolopacidae. It is a long distance migratory species that breeds at remote sites in northern Canada and winters in southern South America. The genus name Limosa is from Latin and means "muddy", from limus, "mud". The specific haemastica is from Ancient Greek and means "bloody".The English term "godwit" is believed to imitate the bird's call.

Adults have long dark legs and a long pink bill with a slight upward curve and dark at the tip. The upper parts are mottled brown and the underparts are chestnut. The tail is black and the rump is white. They show black wing linings in flight. The legs and feet are bluish-grey.