Mareca americana; Print; The American wigeon (Mareca americana); also called a baldpate; is a species of dabbling duck found in North America. Formerly assigned to Anas; this species is classified with the other wigeons in the dabbling duck genus Mareca. It is the New World counterpart of the Eurasian wigeon. Mareca is from the Brazilian-Portuguese word Marr閏o for a small duck and americana refers to America.; 1700-1880