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San Francisco Wildlife

The Salt Marsh Harvest Mouse

California Clapper Rail

Western Snowy Plover

Bay Checkerspot Butterfly

SF Garter Snake

Five things YOU can do to help protect SF wildlife!

Bay Checkerspot Butterfly

The Bay Checkerspot Butterfly is a threatened insect of the Bay Area that used to live on Twin Peaks in San Francisco. This beautiful butterfly has several rows of colorful orange, red, and black spots upon its wings. The Bay Checkerspot feeds on local, native plants like California plantation and purple owl's clover. It depends on these plants for survival. The reason the Bay Checkerspot Butterfly can no longer be found on Twin Peaks is because the roads, homes and buildings that were built on Twin Peaks destroyed its natural habitat. Other things that are threatening this butterfly include non-native plants that grow and crowd out the native plants the butterfly depends on for food. More about native plants.