Fungus caught on the hop

There is no point sending healthy animals out into the world if they’re just going to catch a deadly disease. Pacific tree frogs that can survive a normally lethal fungus infection are spreading it to species that cannot. Such “reservoir” species could threaten frogs released from captive breeding programmes.

Between 2003 and 2010, the deadly chytrid fungus slashed the populations of two frog species in the Sierra Nevada, while populations of a third species – the Pacific tree frog (Pseudacris regilla) – held steady.
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