Place
- Ventura County (Calif.)4
- Atlantic Ocean3
- Bodega Bay (Calif.)3
- Calaveras County (Calif.)3
- Mendocino County (Calif.)3
- Santa Barbara Channel (Calif.)3
- Santa Cruz County (Calif.)3
- Albion River Watershed (Calif.)2
- Arctic Ocean2
- Greenland2
- Iceland2
- Jasper Ridge Biological Preserve (Calif.)2
- Placer County (Calif.)2
- Rocky Mountains2
- Sacramento County (Calif.)2
- San Francisco (Calif.)2
- Woodside (Calif.)2
- Aruba1
- Atlantic Coast (New England)1
- Bangladesh1