Greater Scaup

Aythya manta

Beak

—

Feet

—

Crest

Has a crest

Winter visitor. N subcontinent. Larger and stockier than Tufted, with more rounded head and lacking any sign of crest. Bill is larger and wider, and has smaller black nail at tip than Tufted. Male has grey upperparts contrasting with black rear end and green gloss to blackish head. Female has broad white face patch, which is less extensive on juvenile/immature. Female usually has greyish-white verrniculations ('frosting ') on upperparts and flanks. Eclipse/immature male has brownish-black head, neck and breast, and variable patch of grey on upperparts. Feeds mainly by diving, loafs in open water when not feeding. Large lakes and rivers.