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.
North American birds are shrinkingANN ARBOR, MICHIGAN — New research has found that tens of thousands of North American birds have become smaller in size since 1978.
Scientists examined 70, 716 dead birds — 52 bird species in..