The Dead Bird Project

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Over 100,000 dead birds have been found in downtown Chicago over the last 35 years. Scientists are using this data to study declining bird populations. The question of just exactly why is an open one - but scientists don't know.

A recent study of tens of thousands of birds has shown that birds are growing smaller over time. It could be due to climate change, and if so, we ought to consider: How else might humans be altering the literal shape of life on Earth — now and in the future?

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