Disappearing Frogs: Update

Clip: Season 24 Episode 2404 | 8m 12sVideo has Closed Captions | CC

Years of research confirms amphibians are still declining and the causes are complex.

In 1993, two Pacific northwest researchers sounded the alarm about global amphibian declines. Twenty years later Oregon Field Guide tracked down the same researchers, Andrew Blaustein and Marc Hayes, to see what they've learned. Frogs and toads are still in decline and the causes are complex, including U-V radiation, water mold, chytrid fungus, aggressive bullfrogs and habitat destruction.

Aired 10/31/2013 | Rating TV-G