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Oregon Field Guide

Bullfrogs


The bullfrog is thriving in Oregon. But are they responsible for several native species disappearing? Managers at the Finley Wildlife Refuge work to remove adult bullfrogs from the lake in an effort to control their populations. Researchers are finding evidence that these aggressive predators have had a significant impact on native species such as the western pond turtle and the Oregon chub.

First Broadcast: 1997
Producer: Jeff Douglas

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