Predation of Daurian redstarts offspring in nest boxes by the Oriental magpie-robin and tree sparrow.

Predation of Daurian redstarts offspring in nest boxes by the Oriental magpie-robin and tree sparrow.
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DOI:
10.1002/ece3.10093
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发表时间:
2023-05
影响因子:
2.6
通讯作者:
--
中科院分区:
生物学2区
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--
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鸟类选择合适的巢址进行繁殖,以保证自己和后代的生存,但也不可避免地遭受一些潜在的捕食风险。我们于2022年3月至8月通过提供巢箱进行繁殖,研究了达乌尔红尾莺(Phoenicurus auroreus)的繁殖生态。我们记录了东方鹊鸟(Copsychus saularis)和树麻雀(Passer montanus)对达乌尔红尾莺卵或雏鸟的捕食。记录了东方鹊知更鸟攻击正在进食的雌性成虫和掠夺雏鸟的记录。在雏鸟捕食事件之后,达乌里红尾莺放弃了巢穴。这个视频证据提供了一个更好的了解洞巢鸟类的潜在捕食者。记录了东方鹊知更鸟(Copsychus saularis)和树雀(Passer montanus)对达乌尔红尾莺卵或雏鸟的捕食,其中东方鹊知更鸟攻击了一只正在进食的雌性成虫,并掠夺了达乌尔红尾莺的雏鸟。
Birds select suitable nest sites for breeding to ensure their own and offspring's survival; however, they inevitably suffer some potential predation risk. We studied the breeding ecology of Daurian redstarts (Phoenicurus auroreus) by providing nest boxes for their breeding from March to August of 2022. We recorded the predation of both Daurian redstarts eggs or nestlings by Oriental magpie‐robins (Copsychus saularis) and tree sparrow (Passer montanus). Oriental magpie‐robin were recorded attacking a feeding female adult and depredating nestlings. After the nestling predation event, the Daurian redstarts abandoned the nest. This video evidence provide a better understanding of the potential predators of cavity‐nesting birds. The preying on the egg or nestling of Daurian redstarts by Oriental magpie‐robins (Copsychus saularis) and tree sparrow (Passer montanus) was recorded, of which the Oriental magpie‐robin attacking a feeding female adult and depredating the nestling of the Daurian redstarts.
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