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Manipulative begging by parasitic cuckoo nestlings and paradoxical host behaviour

机译:寄生杜鹃雏鸟的操纵性乞讨和自相矛盾的宿主行为

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摘要

In his News & Comment on a study by Davies et RAID. about begging in cuckoos, Lotem raises issues that deserve further attention. Davies et RAID. identified the begging call of European cuckoo (Cuculus canorus) nestlings, resembling not a nestling but an entire host brood as the necessary and sufficient stimulus to make their reed warbler (Acrocephalus scirpaceus) hosts provision enough food to fulfil the cuckoo's requirements (roughly those of a whole brood of hosts), despite being the sole occupant of the nest (and one strikingly different from host young).
机译:在Davies et RAID的一项研究的新闻与评论中。关于布谷鸟的乞讨,洛特姆提出了值得进一步关注的问题。 Davies et RAID。确定了欧洲杜鹃(Cuculus canorus)雏鸟的乞讨呼唤,它不是雏鸟,而是整个寄主繁殖的窝,是使它们的芦苇莺(Acrocephalus scirpaceus)寄主提供足够食物以满足杜鹃需求的必要和充分刺激。尽管是巢中的唯一居住者(并且与年轻的寄主明显不同)。

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