San Francisco Bay Wildlife
Wildlife of the San Francisco Bay Area


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Amphibians of San Franscisco Bay Area

Western Toad
Western Toad - Anaxyrus boreas (Morgan Territory)
Pacific Chorus Frog
Sierran Treefrog (Pacific Chorus Frog) - Pseudacris sierra (Mines Road)
Red-legged Frog
Red-legged Frog - Rana aurora (Las Trampas Regional Wilderness)
Red-legged Frog stages
Red-legged Frog - Rana aurora (Sunol Regional Wilderness)
Foothill Yellow-legged Frog
Foothill Yellow-legged Frog - Rana boylii (Mines Road)
American Bullfrog 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.


  1. Western Toad - Anaxyrus boreas
  2. Western Spadefoot - Spea hammondii (only found at the Eastern edges of the Bay Area)


  1. Sierran Treefrog (Pacific Chorus Frog) - Pseudacris sierra
  2. California Red-legged Frog - Rana draytonii
  3. Foothill Yellow-legged Frog - Rana boylii
  4. American Bullfrog - Rana catesbeiana (Introduced species - not native to California but widespread)
  5. 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 
  • Amphibians of East Bay Regional Parks - a PDF brochure. 
  • Identifying California Frogs and Toads - an article on 
  • California Frog and Toad Calls - an article on 
  • A Leap of Faith - Embracing our Native Frogs, Bay Nature, 1 April, 2002 
  • Foothill Yellow-legged Frog status note from the Santa Clara Valley Habitat Conservation Plan, June 2006. 
  • Ecology Of Foothill Yellow-Legged Frogs in Upper Coyote Creek, Santa Clara County, CA, Thomas Gonsolin, Master's Thesis, March 2004 to March 2006. 
  • 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. 


California Newts & Frogs from Ian Nelson on Vimeo.

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