The red-winged laughingthrush (Trochalopteron formosum) is a bird species in the Leiothrichidae family. The plumage is mostly brown with large areas of red in the wings and tail. The crown and ear-coverts are grey with dark streaks and the throat is dark. The bill and feet are blackish. It has a loud, whistling song and is 27 to 28 centimetres long.