• Warning Eggs About a Warming World

  • Aug 30 2024
  • Duración: 2 m
  • Podcast

Warning Eggs About a Warming World

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  • Resumen

  • For birds, learning starts early. Birds listen to their parents’ songs and calls from inside the egg. Recent findings have shown that calls from Zebra Finch parents can even prepare their chicks for warmer temperatures before they hatch. Researchers noticed that Zebra Finches make a special high-pitched call, called a heat call, when sitting on their eggs on hot days. Once out of the egg, chicks whose parents made heat calls grow more slowly in the heat. As adults, they seek out warmer spots for their nests, and even produce more offspring of their own than finches that didn’t slow their growth in hot conditions when they were chicks.

    More info and transcript at BirdNote.org.

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Ciencias Biológicas Historia Natural
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