The armoured mistfrog was rediscovered in remote tropical locations of northern Australia. The species was presumed extinct since 1991, because the amphibian chytrid fungus had decimated the species.

Images: (AP Photo/James Cook University, Robert Puschendorf, HO). From The Associated Press:

But two months ago, a doctoral student at James Cook University in Townsville conducting research on another frog species in Queensland stumbled across what appeared to be several Armoured Mistfrogs in a creek, said professor Ross Alford, head of a research team on threatened frogs at the university.

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The chytrid fungus was blamed for decimating frog populations worldwide, including seven species in Queensland’s tropics between the late 1980s and early 1990s.

Armoured Mistfrogs had been classified as critically endangered rather than extinct, but most researchers believed they had died out from the disease, Alford said.