UK Press: World's 'rarest tree frog' found

[John]

BBC News, London, UK, Sep. 11th, 2008: 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.

Continued:
http://news.bbc.co.uk/2/hi/science/nature/7609780.stm