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Last Updated August 27, 2006

 

Kingdom Animalia:

  Phylum Chordata:

    Subphylum Vertebrata:

     Class Amphibia:

       Order Anura:

         Family Ranidae:

           Genus Rana:

(Click the pic to enlarge)

Rana catesbeiana

American Bullfrog

 

This is an American Bullfrog.  I took this picture in April of 2005 with my Sony Cybershot DSC-T1.  I originally posted it here.  Note the large eardrum and  that it is without dorsolateral ridges.  The  Green Frog-Rana clamitans , like the bullfrog,  has a large tympanum, but it has a pair of dorsolateral ridges running down the back which is not seen in the bullfrog.

 

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References

 

Animal Diversity Web

 

Genus:

Rana

Species:

Rana catesbeiana

 

Wikipedia:
 

Genus:

Rana

Species:

Rana catesbeiana