Selective disappearance based on navigational efficiency in a long-lived seabird

IF 3.7 1区 环境科学与生态学 Q1 ECOLOGY Journal of Animal Ecology Pub Date : 2025-01-27 DOI:10.1111/1365-2656.14231
Joe Wynn, Nathalie Kürten, Maria Moiron, Sandra Bouwhuis
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长寿海鸟基于导航效率的选择性消失。
虽然人们认为有效的空间迁移增加了长途迁徙者的适应性,但选择对这些特征起作用的证据仍然难以捉摸。通过对102只3 ~ 22岁成年繁殖期燕鸥(Sterna hirundo)的228条迁徙轨迹的分析,我们发现,年龄较大的燕鸥比年龄较小的燕鸥更有效地进行导航,有效的导航可以缩短迁徙时间,提前到达繁殖地和越冬地。我们还发现,成年繁殖鸟类导航效率的年龄特异性不能用个体内随年龄(即学习)的变化来解释,这表明导航效率较低的个体选择性消失。这表明,至少在一般情况下,导航技能的学习可能在成年期基本上是缺失的,而且仅限于生命的前繁殖阶段,在这个阶段,追踪更困难。我们认为,自然选择可能解释了迁徙类群中观察到的导航能力的部分年龄特异性;讨论导航性状变异的原因和进化意义以及作用于它们的选择性因子;并强调纵向研究在考虑行为随年龄变化时的必要性。
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来源期刊
Journal of Animal Ecology
Journal of Animal Ecology 环境科学-动物学
CiteScore
9.10
自引率
4.20%
发文量
188
审稿时长
3 months
期刊介绍: Journal of Animal Ecology publishes the best original research on all aspects of animal ecology, ranging from the molecular to the ecosystem level. These may be field, laboratory and theoretical studies utilising terrestrial, freshwater or marine systems.
期刊最新文献
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