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Listen to the amphibian - click the - RIBIT 

 Check links page for other sites with  more information and studies. 

To find more help with identification - Google or Yahoo scientific name for images. 

List of Tucson area frogs and toads in descending order from most prominent:

• Couch’s Spadefoot Scaphiopus couchii  <- click for chorus- courtesy LizardTracks Pub.  USGS data
• Hear me local recording   Ribit     range

• Great Plains Toad Bufo cognatus  image Ted Hoberg (Grand Forks, ND)  USGS  Mating call courtesy - www.naturenorth.com  
•  ribit   range

• Mexican (or Southern) Spadefoot scaphiopus multiplicatus - Reptiles of Arizona
• ribit       range

• Sonoran Desert (or Colorado River) Toad  bufo alvarius 
•   ribit    range
•  
• Tadpole courtesy - USGS.GOV

Uncommon to Tucson basin proper but will be found in and around the mountains:

• Red-spotted Toad Bufo punctatus  Rick A. Fridell (Utah Division of Wildlife Resources, St. George, UT),
• ribit     range

• Western Narrow-mouthed Toad Gastrophryne olivacea  This particular fellow was found at West Branch
•   ribit  range

• Canyon Treefrog Hyla arenicolor  USGS -
• ribit      range

Rarer: although becoming more prevalent according to the study 

• Lowland Leopard frog  rana yavapaiensis
• ribit    range 
•   egg mass Can be found from early February to late August when nights stay above 50°F - Usually found at the surface attached to reed type plants. Care must be taken if attached to fast growing plant, which will take the egg mass out of water. Too strong direct sun will kill the eggs. Eggs turn white when damaged. Germination 7 to 10 days depending on conditions, water temp and light exposure. 
• Leopard frog tadpoles
• Courtesy USGS.GOV 

• Southwestern Woodhouse’s Toad bufo woodhousei  - last seen 1960's
• ribit   range  

• African Clawed Frog xenopus laevis image courtesy: allaboutfrogs.com 
• ribit   range

• Sonoran Green Toad Bufo Anaxyrus retiformis (Sanders & Smith, 1951). Photo © Suzanne L. Collins, Center for North American Herpetology
• ribit     range 

• Burrowing Treefrog  (or Northern Casque-headed Frog) Pternohyla smilisca fodiens (Boulenger, 1882). Image © Richard D. Bartlett, 2007 Center for North American Herpetology
• ribit  range  

Introduced species THE BAD for Tucson Basin wildlife

• American Bullfrog Rana catesbeiana  
• ribit  Range
• - widely found     USGS data Tadpoles courtesy USGS.GOV
• 
• catesbeiana  found north central Tucson Catalina foothills
• photo courtesy G Barnhill - 

• As seen here there is a lot of variation in coloration and marking

• So please send in your pictures of any frog or toad or any amphibian you may find. Please include location GPS coordinates if possible.

• American bullfrog tadpole data - USGS.Gov

Another excellent list with great identification images- Tucson Herpetological Society List

Most photos are of Tucson frogs and toads - LizardTracks Pub. many courtesy USGS, others noted.

For more frog/toad sound you really need to go to: CaliforniaHerps.com/sounds

Links used: all really good

http://www.cnah.org/nameslist.asp?id=3/

http://www.npwrc.usgs.gov/narcam/idguide/

http://www.reptilesofaz.com  

http://www.livingunderworld.org

http://allaboutfrogs.org

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