Cannatella’s tree frogs can reach about 1.3 inches in length, the study said. Their heads have “short” snouts, “heart-shaped” tongues and “large, prominent” eyes. Their arms are ...

Photos from Aguirre, Apunte and Ron (2025) Cannatella’s tree frogs can reach about 1.3 inches in length, the study said. Their heads have “short” snouts, “heart-shaped” tongues and ...

As night fell across a rainforest in northwestern Ecuador, a “large”-eyed creature with a “heart-shaped” tongue perched on some foliage and began calling. The “distinct” sound was ...