California Tree Frog vs. Red-spotted Toad
Both are small, grey, rough-skinned frogs that sit on rocks beside desert-canyon streams in southern California; their records overlap there. A: Big round sticky toe pads in the California Tree Frog; no pads; slim toes in the Red-spotted Toad. B: No gland in the California Tree Frog; a small round gland in the Red-spotted Toad. The tree frog quacks; the toad gives a long musical trill.
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