The Smew (Mergellus albellus) is a species of duck, and is the only member of the genus Mergellus. This species breeds in the northern taiga of Europe and Asia. It needs trees for breeding. The Smew lives on fish-rich lakes and slow rivers. As a migrant it leaves its breeding areas and winters on sheltered coasts or inland lakes of the Baltic Sea, the Black Sea, northern Germany and the Low Countries, with a small number reaching Great Britain.
The Ruby-crowned Kinglet (Regulus calendula) is a very small passerine bird found throughout North America. It is a member of the kinglet family. The kinglet is migratory, and its range extends from northwest Canada and Alaska south to Mexico. Its breeding habitat is spruce-fir forests in the northern, mountainous, United States and Canada.