|Hooded Merganser (Mergus cucullatus)|
|WWT Barnes, London, England
This bird is normally found in North America where it breeds on small lakes and streams in wooded country in northern USA and Canada. It winters on the Pacific and Atlantic coasts of the USA where it prefers rivers, coastal lagoons and estuaries rather than the sea.
There is an illustration in HBW, Volume 1, Page 624