California red-legged frog (Rana draytonii) in the hand of a conservationist | Photo: Zach Behrens / National Park Service, License: CC BY 2.0

Red-legged frogs are back, with help from San Francisco Zoo

Published on the 05.05.2019. | By: Peter Fimrite

Thanks to San Francisco Zoo, California red-legged frogs are back to the Yosemite National Park where they were once killed off. A mayor achievement in the conservation of this endangered species.

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