Now Playing:

TV

Oregon Field Guide

Disappearing Frogs


Many species of amphibians such as the spotted and cascade frogs and the western toad are disappearing in Oregon and may soon be extinct. Scientists suspect that environmental factors, such as the depleted ozone layer and higher levels of uv radiation may be contributing to their decline.

First Broadcast: 1993
Producer: Eric Cain

More Oregon Field Guide

Invasive Species BBQ

OPB | Feb. 11, 2016

Pika

OPB | Feb. 11, 2016

Monarchs And Milkweed

OPB | Feb. 11, 2016

More OPB

Follow Oregon Field Guide

Send Oregon Field Guide A Message


Part of Episode