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Butterflies of California

North American Butterflies and Moths List

The definitive website on wildbirds & nature




The Registry of Nature Habitats
U.S. Geological Survey


Butterflies of North America

Butterflies of California

County Checklists

Clickable Map of CA

Select a county or region from the map above or the list below:
Alameda -- Alpine -- Amador -- Butte -- Calaveras -- Colusa -- Contra Costa -- Del Norte -- El Dorado -- Fresno -- Glenn -- Humboldt -- Imperial -- Inyo -- Kern -- Kings -- Lake -- Lassen -- Los Angeles -- Madera -- Marin -- Mariposa -- Mendocino -- Merced -- Modoc -- Mono -- Monterey -- Napa -- Nevada -- Orange -- Placer -- Plumas -- Riverside -- Sacramento -- San Benito -- San Bernardino -- San Diego -- San Francisco -- San Joaquin -- San Luis Obispo -- San Mateo -- Santa Barbara -- Santa Clara -- Santa Cruz -- Shasta -- Sierra -- Siskiyou -- Solano -- Sonoma -- Stanislaus -- Sutter -- Tehama -- Trinity -- Tulare -- Tuolumne -- Ventura -- Yolo -- Yuba

Channel Islands: San Miguel Island -- Santa Rosa Island -- Santa Cruz Island -- Anacapa Island -- San Nicolas Island -- Santa Barbara Island -- Santa Catalina Island -- San Clemente Island


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