podicipitiform seabird - aquatic birds related to the loons

genus Podiceps, Podiceps - type genus of the Podicipedidae: grebes

great crested grebe, Podiceps cristatus - large Old World grebe with black ear tufts

Podiceps grisegena, red-necked grebe - large stocky grebe of circumpolar regions having a dark neck

black-necked grebe, eared grebe, Podiceps nigricollis - small grebe with yellow ear tufts and a black neck; found in Eurasia and southern Africa as well as western United States

dabchick, little grebe, Podiceps ruficollis - small European grebe

pied-billed grebe, Podilymbus podiceps - American grebe having a black-banded whitish bill