The Mallard is a common duck in ponds, lakes, and parks across most of the United States. Breeding males have glossy green heads and yellow bills, while females are mottled brown with orange-and-black bills. The familiar loud quack comes from the female; males make softer, raspy calls.
Recorded year-round, every year · most records in Apr
250,305 observations in the US · 10 years · for reference