The Blue-winged Teal (Anas discors) is a small dabbling duck from North America. Adult male; greyish blue head with a white facial crescent; light brown body with a white patch near the rear and a black tail. Adult female; mottled brown, whitish area at base of bill. Both sexes have sky-blue wing coverts, a green speculum, and yellow legs. (Wikipedia)
Blue-winged Teal - Adult male breeding, Blue-gray head with bold white crescent mark between bill and eye, Black bill and iris, Black speckling on tan flanks and gray breast, White patches on sides of rump
Pairs and small groups of this tiny dabbling duck inhabit shallow ponds and wetlands across much of North America. Blue-winged Teal are long distance migrants, with some birds heading all the way to South America for the winter. Therefore, they take off early on spring and fall migration, leaving their breeding grounds in the United States and Canada well before other species in the fall.