Interspecific information on predation risk affects nest site choice in a passerine bird.

Interspecific information on predation risk affects nest site choice in a passerine bird.
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DOI:
10.1186/s12862-018-1301-3
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发表时间:
2018-12-04
影响因子:
3.4
通讯作者:
Forsman JT
Forsman JT
中科院分区:
生物学2区
文献类型:
--
作者:
Tolvanen J;Seppänen JT;Mönkkönen M;Thomson RL;Ylönen H;Forsman JT

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繁殖地点的选择是物种生态位的重要组成部分。巢捕食影响了物种的繁殖地点选择,并推动了物种的生态位分离和局部共存。种间社会信息的使用可能反过来导致异种生态位特征的复制或排斥,从而影响物种之间实现的生态位重叠。我们通过实验测试了一种候鸟,斑蝇鹟,是否通过捕食者访问异种鸟类巢穴的间接线索来收集巢穴捕食风险信息。此外,我们还研究了候鸟是否能够将这些信息与特定的巢址特征联系起来,并将这些信息推广到它们自己的巢址选择中。我们的研究结果表明,捕蝇者可以利用异种筑巢尝试的命运来选择自己的筑巢地点,但这种选择是有选择性的。年轻的雌性捕蝇虫在迅速做出决定时,会将人工鸟巢的命运与筑巢地点的特征联系起来,并避免与较高的捕食风险相关的特征。复制成功的异种物种的巢址选择,并避免导致失败的选择,可能会放大或抵消巢捕食对生态位重叠的影响,并对物种间生态位分化-收敛动态、物种共存和捕食者-猎物相互作用产生重要影响。本文的在线版本(10.1186/s12862-018-1301-3)包含补充材料,授权用户可以使用。
Breeding site choice constitutes an important part of the species niche. Nest predation affects breeding site choice, and has been suggested to drive niche segregation and local coexistence of species. Interspecific social information use may, in turn, result in copying or rejection of heterospecific niche characteristics and thus affect realized niche overlap between species. We tested experimentally whether a migratory bird, the pied flycatcher Ficedula hypoleuca, collects information about nest predation risk from indirect cues of predators visiting nests of heterospecific birds. Furthermore, we investigated whether the migratory birds can associate such information with a specific nest site characteristic and generalize the information to their own nest site choice. Our results demonstrate that flycatchers can use the fate of heterospecific nesting attempts in their own nest site choice, but do so selectively. Young flycatcher females, when making the decision quickly, associated the fate of an artificial nest with nest-site characteristics and avoided the characteristic associated with higher nest predation risk. Copying nest site choices of successful heterospecifics, and avoiding choices which led to failed attempts, may amplify or counter effects of nest predation on niche overlap, with important consequences for between-species niche divergence-convergence dynamics, species coexistence and predator-prey interactions. The online version of this article (10.1186/s12862-018-1301-3) contains supplementary material, which is available to authorized users.
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