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Climate Change Will Remove Birds' Control Over Hatching Eggs

It's an odd quirk of nature that birds - even chickens - typically lay just one egg a day, and many species rely on all the eggs in the clutch hatching on the same day.

Parent birds control incubation by modifying the temperature that triggers embryo development, which is one way that species ensure roughly synchronous hatching.

However, climate change - particularly the increase in the frequency and intensity of heatwaves - will take some of that control away from birds, causing some eggs to hatch earlier than others, according to new research published in the Royal Society Open Science journal on Wednesday.

Lori L. Stalteri

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