Red-tailed Hawks are common raptors in the Bay Area, yet males and females can be difficult to tell apart. Researchers used DNA and small differences in size to better understand their migration.

The California red-legged frog is the largest native frog in the western United States.

Restoration at Hawk Hill has helped enhance endangered Mission blue butterfly habitat and prevent further degradation of historic structures by removing non-native invasive trees and restoring the native grassland. The project included new and enhanced trails, visitor amenities and signs, and continued habitat restoration and historic resource protection.

When you make a planned gift to the Conservancy, you become a member of the Silver Lupine Circle—a community of park lovers who, like you, ensure these national treasures will be protected and nurtured for generations to come. 

When you make a planned gift to the Conservancy, you become a member of the Silver Lupine Circle—a community of park lovers who, like you, ensure these national treasures will be protected and nurtured for generations to come.

This page explains the terms by which you may use our website (the “Site”).

2017 Summer Camp Scholarship Information

Thank you for your interest in Crissy Field Center Summer Camp. For generations, summer programs have served as a source of support, learning, and enrichment for youth. However, it has been difficult for children from low-income families to take advantage of such opportunities.

Ai Weiwei created seven large-scale sculpture, sound, and mixed-media site-specific artworks for installation in four places on Alcatraz Island: the two-story New Industries Building, where "privileged" inmates were permitted to work; the main ward and psychiatric observation cells of the Alcatraz Hospital; the A Block cells, the only remaining section of the military prison that was constructed in the early 20th century; and the Alcatraz Dining Hall. With the exception of the Dining Hall, these spaces are not usually open to visitors, but all were open to the public throughout the run of the @Large exhibition.

Enjoy an afternoon in the Presidio with tastings from local breweries on the Civil War Parade Grounds next to new Presidio Tunnel Tops.

Click on the map pins to learn more about the new park or download the Tunnel Tops map in a PDF format.