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Climate change is causing birds to shrink, study finds

Haaretz Wednesday, 4 December 2019
Over 70,000 dead birds that crashed into buildings in Chicago all shrank in size — but there was some surprise growth elsewhere
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Video Credit: TomoNews US - Published
News video: North American birds are shrinking

North American birds are shrinking 01:28

ANN 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 total — that crashed into skyscrapers in Chicago. The study, published in the journal Ecology...

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Climate change is causing birds to shrink, study says

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