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Helminths of the Eurasian Coot Fulica atra at Lake Ladoga Coast (Northwestern Russia)

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Abstract

This is the first study of parasites of the Eurasian coot (Fulica atra) in the northern part of its distribution area (Karelia, Northwestern Russia). We performed a total parasitological survey of helminths of 22 coot specimens from an ecologically unique territory of Wetlands of the Olonets plain (Lake Ladoga coast) at the White Sea-Baltic branch of the East Atlantic Flyway. We recorded 11 helminth species, including four species of cestodes (Diorchis brevis, D. inflata, D. ransomi and D. stefanskii) and four species of trematodes (Leyogonimus polyoon, Notocotylus pacifera, Prosthogonimus ovatus and Psilotrema spiculigerum). Cestodes and trematodes were the most common parasites in the coot population, infecting 95% and 86% of the hosts, respectively. Two acanthocephalans, Filicollis anatis and Polymorphus minutus, and a single specimen of the nematode Quasiamidostomum fulicae at the early fifth-stage of development were also found. All these parasites are known to be common in various water birds, including coots, in the Holarctic and the Neotropical regions. Additionally, the data on sex, age and diet of the coots were obtained. A more diverse parasitic fauna was found in younger coots as compared with adult birds. Our data provides the basis for further studies of host-parasite interactions of the coots and other water birds near Lake Ladoga.

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Acknowledgments

The authors are grateful to Dr. Alexandr Artem’ev (Laboratory of Zoology, IB, KRC RAS) for help in bird processing. Special thanks for proofreading of the text are extended to Dr. Campbell C. Pert (Marine Scotland Science, Marine Laboratory, UK) and to Dr. Catherine Collins (INRAE, France). We thank the anonymous reviewers for their valuable comments.

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All data produced from this study are provided in this manuscript.

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The study was carried out under the state order 0218–2019-0075.

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All authors contributed to the study conception and design. Material preparation, data collection and analysis were performed by [Galina Yakovleva], [Daria Lebedeva] and [Sergey Bugmyrin]. [Galina Yakovleva] performed autopsies on birds, collected worms, made slides, and identified parasite species. [Daria Lebedeva] had the idea for the paper and performed molecular analysis on species of the genus Prosthogonimus Lühe, 1899. The first draft of the manuscript was written by [Galina Yakovleva]. [Daria Lebedeva] and [Sergey Bugmyrin] critically revised the work. [Sergey Bugmyrin] conducted statistical processing of the data. All authors commented on previous versions of the manuscript. All authors read and approved the final manuscript.

Conceptualization: [Galina Yakovleva, Daria Lebedeva, Sergey Bugmyrin]; Methodology: [Galina Yakovleva, Daria Lebedeva and Sergey Bugmyrin]; Formal analysis and investigation: [Galina Yakovleva, Daria Lebedeva]; Writing - original draft preparation: [Galina Yakovleva]. Critically revised the work: [Daria Lebedeva and Sergey Bugmyrin]; Writing - review and editing: [Galina Yakovleva, Daria Lebedeva, Sergey Bugmyrin]; Statistic analysis: [Sergey Bugmyrin]; Molecular analysis: [Daria Lebedeva].

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Correspondence to Galina A. Yakovleva.

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Yakovleva, G.A., Lebedeva, D.I. & Bugmyrin, S.V. Helminths of the Eurasian Coot Fulica atra at Lake Ladoga Coast (Northwestern Russia). Wetlands 41, 118 (2021). https://doi.org/10.1007/s13157-021-01513-7

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