Zampullín Canoso Poliocephalus poliocephalus

Small ducklike bird that rides low in the water. In breeding plumage note distinctive streaked head and pale neck. In non-breeding plumage it is much paler, with the dark cap extending to just below the eye (compare with Australasian Grebe). Can form very large flocks; typically found on ponds and lakes, including estuaries.