Amphibians of San Franscisco Bay Area
Western Toad - Anaxyrus boreas (Morgan Territory) |
Sierran Treefrog (Pacific Chorus Frog) - Pseudacris sierra (Mines Road) |
Red-legged Frog - Rana aurora (Las Trampas Regional Wilderness) |
Red-legged Frog - Rana aurora (Sunol Regional Wilderness) |
Foothill Yellow-legged Frog - Rana boylii (Mines Road) |
American Bullfrog - Rana catesbeiana (Pleasanton Ridge) |
The San Francisco Bay Area is home to a number of amphibians, including different types of frogs, toads and salamanders. Many of them are a bit hard to find. But you can see them if you look in the right place at the right time. The California Newt is a perfect example of that. The lists below include all Bay Area species including some uncommon and introduced species.
Toads
- Western Toad - Anaxyrus boreas
- Western Spadefoot - Spea hammondii (only found at the Eastern edges of the Bay Area)
Frogs
- Sierran Treefrog (Pacific Chorus Frog) - Pseudacris sierra
- California Red-legged Frog - Rana draytonii
- Foothill Yellow-legged Frog - Rana boylii
- American Bullfrog - Rana catesbeiana (Introduced species - not native to California but widespread)
- African Clawed Frog - Xenopus laevis (Introduced species - not native to USA, uncommon)
Amphibian Articles and Links
- Nice little guide, with photos, to the Reptiles and Amphibians of the Bay Area by Gary Nafis on californiaherps.com
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- Amphibians of East Bay Regional Parks - a PDF brochure.
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- Identifying California Frogs and Toads - an article on CaliforniaHerps.com
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- California Frog and Toad Calls - an article on CaliforniaHerps.com
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- A Leap of Faith - Embracing our Native Frogs, Bay Nature, 1 April, 2002 ...link
- Foothill Yellow-legged Frog status note from the Santa Clara Valley Habitat Conservation Plan, June 2006.
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- Ecology Of Foothill Yellow-Legged Frogs in Upper Coyote Creek, Santa Clara County, CA, Thomas Gonsolin, Master's Thesis, March 2004 to March 2006.
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- The Status of the California Tiger Salamander (Ambystoma californiense), California Red-Legged Frog (Rana draytonii), Foothill Yellow-Legged Frog (Rana boylii), and other Aquatic Herpetofauna in the East Bay Regional Park District, California, 2007.
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