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Dead Birds Provide Evidence Of Climate Change

Video Credit: CBS 2 Chicago
Published on December 5, 2019 - Duration: 02:19s

Dead Birds Provide Evidence Of Climate Change

CBS 2's Vince Gerasole reports on the work of a Field Museum ornithologist who studies birds.

He says based on what he's seen, the dead ones show that the winged creatures are shrinking, thanks to climate change.

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