Ardea pacifica Latham, 1802

A large heron with a white head and a long white neck with a double line of black spots running down the front. The upperparts of the body are slate-black, with plum-coloured nuptial plumes on the back and breast during the breeding season. Underparts are grey streaked with white. The bill is black, the naked facial skin is is blue or yellow, the eyes are green, and the legs and feet are black. The White-necked Heron is sometimes known as the Pacific Heron. A loud croak is uttered as an alarm call. Other gutteral calls are uttered at the nest.