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Presidio of San Francisco
American Crow
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| Will Elder, NPS |
| An American Crow looks for food at Crissy Field. |
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Natural History: The American Crow eats nuts, fruits, insects, bird eggs, nestlings, carrion, garbage - after which it ejects pellets. Nesting in somewhat of colonies, it builds nests of stick platforms lined with mud and vegetation, usually in trees. Nesting season is from March to July. This species is very gregarious in winter.
General Distribution: In the Presidio, this bird is found in all forested areas and lawns. At present it has the potential to breed in the Presidio.
Frequency: This species is common all year in the Presidio.
Identifying Characteristics: This crow is completely black and large in size, but not as large as the similar Raven. It does display a purple gloss in the sun. Crows are gregarious by nature.
Presidio Birds main page
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Did You Know?
In the aftermath of the 1906 San Francisco earthquake, nearly 250,000 people were left homeless. The Army responded quickly, establishing refugee camps on the Presidio and organizing relief efforts.
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Last Updated: March 14, 2008 at 16:02 EST |