blue-winged teal feeding in a lake

wetland wildlife pond bird marsh water waterbird reflection swamp grass animal duck nature lake ducks waterfowl river prairie fishpond blue-winged teal feeding blue winged avian small chalky-blue patches upperwing breeding males unmistakable bold white crescent front eye polka-dotted sides females cold brown intricately patterned look hint pale face dark eyeline eye-arcs found shallow wetlands marshes occur pairs flocks mixed species