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Keep your fingers crossed for a sighting of the western pygmy blue butterfly—California's smallest and an adaptive champ that thrives in an alkaline environment—on this stroll around Alviso. Learn about the wetlands, migratory birds and more. Meet in the parking lot near the restrooms.
Alviso Marina County Park, 1195 Hope St, Alviso. 10am. Free. Call 408.918.7770 with questions.
Photo by western pygmy blue butterfly by Anne Toal on Flickr.
