Putting Eggs in Many Baskets

John M. Eadie; Bruce E. Lyon; Eli S. Bridge

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Putting Eggs in Many Baskets

机译：Putting Eggs in Many Baskets

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On April 17, 2016, a one-year-old female wood duck was taking her first steps toward motherhood by exploring nest sites. The tawny bird with white eye rings and iridescent blue wing patches was investigating several artificial nest boxes that our team had erected along a wooded stream near Davis, California. There was nothing unusual here, except that many of these nest boxes were already occupied by other females. That year, this female would go on to make 195 visits to 34 different nest boxes that were already in use, including 30 visits to her favorite box. It turns out that this duck, whom we call by her tag code E9BA0 (or E9 for short), wasn't just exploring her neighborhood. Our genetic studies show she was laying eggs in the nests of other wood duck hens. She laid a total of 12 eggs in four nest boxes, all in a row and just a few boxes down from where she had hatched the year before. What's more, E9 never incubated any of those eggs, relying instead on the nesting females in those boxes to do that.

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《American scientist》 |2022年第3期|144-145|共2页
作者
John M. Eadie; Bruce E. Lyon; Eli S. Bridge;
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作者单位

Department of wildlife, fish and, conservation biology at the University of California, Davis;

Department of ecology and evolution at the University of California, Santa Cruz;

Oklahoma Biological Survey at the University of Oklahoma;

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收录信息美国《科学引文索引》(SCI);
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正文语种英语
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Putting Eggs in Many Baskets

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