Endangered Species

Clapper Rail

Clapper Rail

California Clapper Rails nest in the tidal marshes of the San Francisco Bay and recovery of this species has been a primary impetus for marsh restoration around the Bay. Unfortunately, the Clapper Rail struggles to survive because of habitat loss, predator pressure, and invasive species. More »

Western Snowy Plover

Western Snowy Plover

The Western Snowy Plover is a federally threatened species under the Endangered Species Act. Primarily found nesting on coastal beaches, a subset of the population nests in San Francisco Bay. Plovers use dry pond bottoms, isolated islands, and levees in managed ponds as well as active salt ponds for nesting. More »

California Least Tern

California Least Tern

The largest Least Tern colony in San Francisco Bay is located at Alameda Point on the runway complex of the former Naval Air Station, Alameda. The 3.9–hectare breeding area is surrounded by a chain link fence. Smaller colonies can be found at Napa– Sonoma Marshes Wildlife Area, Montezuma Wetlands, and Hayward Regional Shoreline. More »

Northern Spotted Owl

Northern Spotted Owl

In the San Francisco Bay Area (primarily Marin County), Northern Spotted Owls nest in both old-growth and mature second-growth forests of Douglas-fir, coast redwood, bishop pine, mixed conifer–hardwood, and other evergreen hardwood trees. This varies from the rest of the population of Northern Spotted Owls in the Pacific Northwest, where they are commonly associated with mature coniferous forests. More »

 


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