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

    Presidio of San Francisco


Red-throated Loon

(Gavia stellata)
Red-Throated Loon
A Red-throated Loon swims at Crissy Marsh.
© Alan Hopkins 2002

Natural History: This bird feeds on fish by pursuing them and diving into the water, but it also eats invertebrates. It is commonly found resting on water. This species nests in the arctic.

General Distribution: In the Presidio, this species can be found in bays and the ocean.

Frequency: This animal is abundantly found during the winter and spring and uncommon in the summer and fall.

Identifying Characteristics: During breeding season this species is distinguished by its gray neck and head with brick-red throat patch. It has a slightly upturned bill and often tilts its head slightly up.

Presidio Birds main page

Did You Know?

United States Capitol Building

In 1872, there was a proposal in Congress for the Presidio to become a San Francisco city park. The Army reported that 800 acres were required for national defense, provided barracks be relocated. Despite Congressman Cole's attempts, however, the Presidio reservation remained intact.