World's 'rarest tree frog' found

An extremely rare female frog has been spotted for the first time in 20 years.The tiny tree frog, Isthmohyla rivularis, was seen in Costa Rica's Monteverde Cloud Forest Preserve. This species was thought to have become extinct two decades ago, but last year a University of Manchester researcher caught a glimpse of a male. However, the discovery of the female and more males suggests this species is breeding and has been able to survive where many other frogs have not. Andrew Gray, a herpetologist from Manchester Museum at the University of Manchester, said: "This has been the highlight of the whole of my career.BBC Article...