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Washington biologists have been working hard to save the endangered western pond turtles in the Gorge, and new efforts are underway to diagnose and treat turtles suffering from a potentially fatal condition that is damaging shells of adult turtles in ponds near the Columbia River.

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CORVALLIS — Amphibian populations are declining worldwide and a major cause is a deadly fungus thought to be spread by bullfrogs, but a two-year study shows they can also die from this pathogen, contrary to suggestions that bullfrogs are a tolerant carrier host that just spreads the disease.