They discovered in Mexico six of the smallest frogs in the world, some smaller than a coin - Infobae
Problemas cientos, pero bendiciones miles !! | Red eyed tree frog, Tree frogs, Frog
Peron's Tree Frog - The Australian Museum
73926 Green Paddy Frog (Hylarana erythraea) at night, Pera… | Flickr
Striped Marsh Frog | The tennis-ball-being-hit, or “tok” call of the Striped Marsh Frog (Limnodynastes peronii) is familiar to many residents of eastern Australia. We've... | By Frog ID | Facebook
The Ambiguous Frog: The Galvani-Volta Controversy on Animal Electricity | Marcello Pera | First American Edition
Species New to Science: [Herpetology • 2018] Lankanectes pera • A New Frog Species (Anura, Nyctibatrachidae) from Rapidly Dwindling Cloud Forest Streams of Sri Lanka
Run! Run Like The Birds!
Amazon.com: The Ambiguous Frog: The Galvani-Volta Controversy on Animal Electricity (Princeton Legacy Library, 173): 9780691085128: Pera, Marcello, Mandelbaum, Jonathan: Books