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Nature versus nurture—better looking birds have healthier babies


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A female great tits' (Parus major) appearance is shown to signal healthy attributes in offspring in a paper in BioMed Central's open access journal Frontiers in Zoology. The black stripe across her breast and white patches on her cheeks correlate to a chick's weight at two weeks and immune strength respectively – though the former seems to signal a genetic benefit and the latter can affect an 'adopted' chick's health, suggesting nurture is involved.

 

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A female great tits' (Parus major) appearance is shown to signal healthy attributes in offspring in a new paper. The black stripe across her breast and white patches on her cheeks correlate to a chick’s weight at two weeks and immune strength respectively -- though the former seems to signal a genetic benefit and the latter can affect an ‘adopted’ chick’s health, suggesting nurture is involved.yQoEjLTFYTk

 

Read the full article on ScienceDaily

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