• East view from Crissy Field overlook with old Coast Guard station on left and city on right

    Presidio of San Francisco


Great Egret

(Casmerodius albus)
Great Egret
A Great Egret takes to flight at Crissy Marsh.
Will Elder, NPS

Natural History: This bird sustains itself by feeding on small fish and other small vertebrates as well as invertebrates caught by stalking. It is found around both fresh and saltwater habitats. This species is the most cosmopolitan of the herons. It usually roosts and nests in colonies in trees near water.

General Distribution: In the Presidio, this species can be found near freshwater, saltwater bays, and tidal areas, particularly frequenting Crissy Marsh.

Frequency: This bird is common throughout the year at the Presidio.

Identifying Characteristics: This all white species has a very long S-shaped neck, orange bill and dark legs and feet. It is considerably larger than the Snowy Egret.

Presidio Birds main page

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