Global warming is turning wildlife habits upside down The early bird is getting even earlier. With climate change spurring earlier springs across much of North America, many birds are laying their eggs earlier in the year, according to a new study – adding to mounting evidence that global warming is turning wildlife habits upside down. Of 72 bird species examined around Chicago, roughly a third lay their eggs about 25 days earlier than they did a century ago, researchers report in the paper published on Friday in the Journal of Animal Ecology. FILE PHOTO: A flock of blackbirds search for trees to perch on in the town on Hopkinsville, Kentucky. REUTERS/Harrison McClary Those affected include the mourning dove, American kestrel and Cooper's hawk. The scientists so far have...
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