Wallace’s flying frog (Rhacophorus nigropalmatus)—a Kermit-green amphibian that would fit in the palm of your hand—spreads its webbed toes to glide gracefully through tropical forest canopies in ...

Fascinated by his amphibious gift, Wallace painted a watercolor of the flying frog, then an unknown species. He later discussed the species, named Rhacophorus nigropalmatus or “Wallace’s frog,” as an ...