The Eiffinger's tree frog (Kurixalus eiffingeri), found on Ishigaki and Iriomote islands in Japan, has a unique biological adaptation: its tadpoles do not defecate during their early developmental ...

There are over 5,000 species of frogs worldwide—more than 100 in North America alone. Frogs show a tremendous amount of biodiversity in their calls, their coloration, their body type, and their ...