Basic II Plumage (March bird at the start of its 4th calendar year). Note smooth trailing edge to wing. Note paler throat, crown and eye compared to Basic I. Belly less white than Basic I, but still contrasts with darker breast. Bill and cere buffy yellow mottled with grey.
Basic II Plumage (March bird at the start of its 4th calendar year). Note pale iris; bill and cere buffy yellow mottled with grey.