Hyla perrini explained

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.^{[1] [2] [3]}

Scientists used to consider this animal conspecific with Hyla intermedia but they are currently classified as two separate species.

Notes and References

1. December 9, 2020. American Museum of Natural History. Amphibian Species of the World 6.0, an Online Reference. Hyla perrini Dufresnes, Mazepa, Rodrigues, Brelsford, Litvinchuk, Sermier, Lavanchy, Betto-Colliard, Blaser, Borzée, Cavoto, Fabre, Ghali, Grossen, Horn, Leuenberger, Phillips, Saunders, Savary, Maddalena, Stöck, Dubey, Canestrelli, and Jeffries, 2018.
2. Web site: Hyla perrini. Amphibiaweb. December 9, 2020.
3. IUCN SSC Amphibian Specialist Group. 2020. Hyla perrini . 2021. e.T149689794A202011279. 149689794. 10.2305/IUCN.UK.2020-3.RLTS.T149689794A202011279.en. April 18, 2022.