Advanced Search
Or
Apr 19, 2012
Podiceps grisegena
In all plumages, identified by its large size and robust bill with yellowish base. In breeding plumage, head has black cap and large, definitive pale-gray cheek patch extending upwards to behind eye. Foreneck and upper breast chestnut; belly pale; sides and flanks grayish. Upperparts dark brownish black. Wings dark, with two prominent white patches: one on secondaries, the other on leading edge ...
