Croak and Dagger
Mass frog die-offs linked to global warming
The mass disappearance of colorful harlequin frog species in Central and South America has long puzzled biologists, but research published in the latest issue of Nature fingers a culprit: global warming. (When in doubt …) The deadly chytrid fungus that’s killing off the tiny amphibians is flourishing in places where it’s gotten warmer at night and cooler during the day — conditions the study’s authors say have most likely been created by increased cloud formation due to large-scale, human-caused global warming. The fungus is implicated in amphibian die-offs around the world. “Disease is the bullet killing frogs,” says lead researcher J. Alan Pounds, “but climate change is pulling the trigger.”
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