Lesser scaup (Aythya affinis) are the most abundant diving duck in North America, and they visit the New York area each year by the thousands. Their peak “hats” differentiate them from the greater scaup that we also see.
Lesser Scaup
Lesser scaup (Aythya affinis) are the most abundant diving duck in North America, and they visit the New York area each year by the thousands. Their peak “hats” differentiate them from the greater scaup that we also see.