Sexes alike. A slender, snow-white waterbird. White plumage; black legs, yellow feet and black bill diagnostic. Breeding: nuchal crest of two long plumes; feathers on back and breast lengthen into ornamental filamentous feathers. The Intermediate Egret Mesophoyx intermedia is larger with black feet. The Great Egret Casmerodius albus is the largest with a noticeable kink in its neck. Small flocks feed at edge of water, sometimes wading into the shallower areas; stalks prey like typical heron, waiting patiently at edge of water.