Lesser Scaup (Aythya affinis) Photographed in Palo Alto California, by Nancy McMeekan (left shot) and Jim Rosso (right shot) Comparison between Lesser and Greater Scaup Anseriformes Natural History Notes Birds in the Classroom The Bird Groups Back to Home Glossary Themes Bibliography Other members of the genus Aythya: Greater Scaup Ring-necked Duck Canvasback Redhead Tufted Duck
