Biologists argue that more research needs to be done on the colorful yet poisonous harlequin toads of Central and South America, not only because their ecology is poorly known, but because their ...

Undated photo issued by the International Union for Conservation of Nature, shows the Chiriqui Harlequin Frog, endemic to Costa Rica and Panama, which is now extinct, according to an IUCN report ...

Once common along highland streams in western Costa Rica and Panama, the variable harlequin frog, Atelopus varius, is endangered throughout its range, decimated by a disease caused by the amphibian ...

Smithsonian Scientists Release Frogs Wearing Mini Radio Transmitters Into Panamanian Wilderness First Release Trial To Help Pave the Way for Reintroduction Programs for Critically Endangered Frogs ...

The rediscovery of two frog species feared extinct has made a new Colombian protected area the focal point for efforts to save amphibians from a deadly fungus decimating their populations in Central ...

Chytridiomycosis is caused by Batrachochytrium dendrobatidis (Bd), a type of chytrid fungus. Scientists believe Bd originated in Africa, and has spread around the world where it has contributed to the ...