The blue-winged duck is a species of dabbling duck found in North America. It is also known as the TEAL, which is a four letter word that can be used to solve the crossword. The blue-winged duck is a small, colorful duck with a white head and neck, a gray back, and a blue patch on its wings. It is a migratory species, breeding in the northern United States and Canada and wintering in the southern United States and Mexico.