The overlooked complexity of avian brood parasite–host relationships,Ecology Letters

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The overlooked complexity of avian brood parasite–host relationships
Ecology Letters ( IF 7.6 ) Pub Date : 2022-06-28 , DOI: 10.1111/ele.14062
James A Kennerley ₁ , Marius Somveille ₂ , Mark E Hauber ₃ , Nicole M Richardson ₁ , Andrea Manica ₁ , William E Feeney _{4,

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Affiliation

The relationships between avian brood parasites and their hosts are widely recognised as model systems for studying coevolution. However, while most brood parasites are known to parasitise multiple species of host and hosts are often subject to parasitism by multiple brood parasite species, the examination of multispecies interactions remains rare. Here, we compile data on all known brood parasite–host relationships and find that complex brood parasite–host systems, where multiple species of brood parasites and hosts coexist and interact, are globally commonplace. By examining patterns of past research, we outline the disparity between patterns of network complexity and past research emphases and discuss factors that may be associated with these patterns. Drawing on insights gained from other systems that have embraced a multispecies framework, we highlight the potential benefits of considering brood parasite–host interactions as ecological networks and brood parasitism as a model system for studying multispecies interactions. Overall, our results provide new insights into the diversity of these relationships, highlight the stark mismatch between past research efforts and global patterns of network complexity, and draw attention to the opportunities that more complex arrangements offer for examining how species interactions shape global patterns of biodiversity.

中文翻译：

被忽视的禽类寄生虫-宿主关系的复杂性

禽类寄生虫与其宿主之间的关系被广泛认为是研究协同进化的模型系统。然而，虽然已知大多数育雏寄生虫寄生于多种宿主，并且宿主经常受到多种育雏寄生虫的寄生，但对多物种相互作用的检查仍然很少见。在这里，我们汇编了所有已知的育雏寄生虫-宿主关系的数据，发现复杂的育雏寄生虫-宿主系统，其中多种育雏寄生虫和宿主共存并相互作用，在全球范围内都很普遍。通过检查过去的研究模式，我们概述了网络复杂性模式与过去研究重点之间的差异，并讨论了可能与这些模式相关的因素。借鉴从采用多物种框架的其他系统中获得的见解，我们强调将育雏寄生虫 - 宿主相互作用视为生态网络和育雏寄生作为研究多物种相互作用的模型系统的潜在好处。总体而言，我们的结果为这些关系的多样性提供了新的见解，突出了过去的研究工作与网络复杂性的全球模式之间的严重不匹配，并提请注意更复杂的安排为研究物种相互作用如何塑造全球生物多样性模式提供的机会.

更新日期：2022-06-28

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