The Sharp-winged Teal has a black speckled light-brown head and neck, dark-brown eyes, a yellow beak with black running down the middle, a dark-brown back with pale edges to the feathers, a pale-brown breast with black spots, the underparts, flanks, rump and tail are pale-brown, the wings are grey-brown with a white-bordered dark metallic green speculum, and grey legs and feet. Both sexes are similar but the female is slightly duller. The Sharp-winged Teal is a small South American dabbling duck. The Sharp-winged Teal (Anas Flavirostris Oxyptera) and Chilean Teal (Anas Flavirostris Flavirostris) are both sub-species of the Yellow-billed Teal (Anas flavirostris).