Some harlequin frogs — presumed extinct — have been rediscovered

Understanding how the animals have survived is key to their continued existence

One of Ecuador’s endangered species, the Jambato harlequin frog, lays hidden in grass. The frog was thought to have gone extinct in the late 1980s.

Ecuador’s iconic Jambato harlequin frog (one seen here) was thought to have gone extinct in the late 1980s. In 2016, it became one of many members of its genus to be rediscovered since 2000.

K. Jaynes

Across Central and South America, one group of bejeweled frogs is making a comeback.