California frog reintroduction is rare victory against fungal pandemic


mountain-yellow frogs being translocated

Mountain yellow-legged frogs in Yosemite National Park, California

Roland Knapp

Wild populations of frogs appear to have evolved resistance to a lethal skin-eating fungal pathogen. Now, researchers report that moving some of these resistant frogs to habitats where the fungus has killed all the others is an effective way to restore their populations.

The fungus Batrachochytrium dendrobatidis (Bd) – a chytrid fungus – is the pathogen responsible for one of the most deadly wildlife diseases, having decimated the populations of hundreds of amphibian species, and contributed to the extinction of many others. The fungus…

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