Birds all over the world break into a dawn chorus every morning – now experiments in zebra finches suggest both a mechanistic and a functional explanation for this phenomenon
Več na: https://www.newscientist.com/article/2501331-we-may-finally-know-why-birds-sing-at-dawn/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home
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