For 130 years, a small Chilean frog vanished from scientific view. Biologists searched. Nature enthusiasts kept their eyes ...

The rediscovery of “one of the rarest and most elusive amphibians” in Chile is quite a tale. Philibert Germain, a scientist ...

Photos show the rediscovered species. Some of the olive-green and brown frogs have a stripe running straight down their backs, while others have a faded stripe or no clear stripe at all.