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
• Frogs
• Salamanders (Caudata, which includes Newts)
• Books
• Audio and Software
• Video
• Articles/Links

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 - Lithobates catesbeianus (Introduced species - not native to California but widespread)
5. African Clawed Frog - Xenopus laevis (Introduced species - not native to USA, uncommon)

• Link to a comprehensive interactive checklist generated on iNaturalist. You can explore photos, specific sightings and filter further based on map area, date ranges and taxonomy.  ...link 
• Nice little guide, with photos, to the Reptiles and Amphibians of the Bay Area by Gary Nafis on californiaherps.com  ...link 
• Identifying California Frogs and Toads - an article on CaliforniaHerps.com  ...link 
• California Frog and Toad Calls - an article on CaliforniaHerps.com  ...link 
• A Leap of Faith - Embracing our Native Frogs, Bay Nature, 1 April, 2002  ...link