A Finch in the Galapagos (IMAGE)

University of Utah

A Finch in the Galapagos

Caption

A male medium ground finch sits on a tree branch in Ecuador's Galapagos Islands. A new University of Utah study shows that when these birds are exposed to two alien parasites -- the pox virus and nest fly -- their immune systems are activated, raising hope they can defeat the parasites and avoid extinction.

Credit

Jen Koop, University of Utah.

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