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Mom's hormones could make female magpie chicks more adventurous


ScienceDaily

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Female magpies have been shown to be more adventurous than their male siblings, according to new research. “The fact that observable differences between the first hatched and last hatched magpie’s behaviors exist indicates that mothers may be able to produce variable traits, possibly through adjustable transmission of maternal hormones or creating the conditions for sibling rivalry. Mothers could potentially produce a variety of personalities perhaps as an adaptive strategy in unpredictable environmental conditions," researchers say.fMwwdGdExIw

 

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