BBC News, London, UK, Sep. 4th, 2008: Frog blog: Hunt for world's rarest frogs

A team of researchers is in Costa Rica attempting to track down some of the world's rarest frogs to aid their conservation.

The country used to be teeming with amphibians, but numbers have plummeted in recent years - largely because of a deadly fungus.

Continued:
http://news.bbc.co.uk/2/hi/science/nature/7597865.stm