Hyla perrini
Hyla perrini, also known as Perrin's tree frog or Po's tree toad, is a species of frog in the family Hylidae. It is endemic to Europe. It is known from the Po Plain in northern Italy, and in adjacent Switzerland (Ticino) and Slovenia.[2][3][1] Scientists used to consider this animal conspecific with Hyla intermedia but they are currently classified as two separate species.[2] References
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