Natural History: Anna's Hummingbird feeds on nectar from a variety of flowering plants, small insects, and sap. It hovers and probes for nectar and gleans for insects. It takes cover in woodland and scrub habitats. It nests above ground in a variety of locations. It breeds from mid-December to mid-August.
General Distribution: In the Presidio, this species can be found in coastal scrub and all forest areas. It breeds within the Presidio.
Frequency: This species is common all year.
Identifying Characteristics: This hummingbird has a red throat. The males also have a red crown and the females are a dark green above.