Natural History: This bird sustains itself by feeding on small fish and other small vertebrates as well as invertebrates caught by stalking. It usually feeds at dawn, dusk and at night. This species is found around both freshwater and brackish habitats. It roosts and nests in colonies in trees or shrubs 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 moderately common at the Presidio throughout the year.

Identifying Characteristics: This is stocky heron with a short neck. Adults have a black crown and back and creamy color neck. Juveniles are a speckled brown and lack black markings.