Darwin's Finches are Evolving Again

From Treehugger:

Image credit: lightmatter/Flickr

When the Beagle reached the Galapagos Islands in 1835, Charles Darwin famously set out to survey the unique species that called the isolated archipelago home. Noticing that finches, which shared a common ancestor, had developed adaptations to thrive in different niches helped lay the foundation for his later description of the process of evolution.

Now, Darwin's finches are evolving again. This time, it's not in response to their place in the ecosystem but rather in defense against two invasive parasites that threaten their survival as a species.

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