Southern Leopard Frog vs. American Bullfrog
Both live in the ponds and sloughs around Merced; their records meet. A: A pale ridge down each side of the back in the Southern Leopard Frog; no ridge down the back (a fold curves round the eardrum) in the American Bullfrog. B: Round dark spots on green or brown in the Southern Leopard Frog; plain or finely speckled in the American Bullfrog. C: A white spot in the middle in the Southern Leopard Frog; no white spot; a big eardrum in the American Bullfrog.
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