Great Blue Heron
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 freshwater habitats and brackish marshes. This species usually nests in colonies near water.
General Distribution: In the Presidio, it 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 large heron is gray-blue in color and has a black stripe above its eye and a yellow bill. It is the largest of the herons.
Did You Know?
Colonel Albert Sidney Johnston, commander of the Pacific branch of the army, prepared the defenses of the San Francisco Bay and ordered the first garrison of Fort Point. Kentucky-born Johnston then resigned his commission to join the Confederate Army; he was killed at the battle of Shiloh in 1862.