Contemporary intergeneric hybridization and backcrossing among birds-of-paradise
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Authors
Thörn, FilipSoares, André ER
Müller, Ingo A
Päckert, Martin
Frahnert, Sylke
van Grouw, Hein

Kamminga, Pepijn
Peona, Valentina
Suh, Alexander
Blom, Mozes PK
Irestedt, Martin
Issue date
2024-06-08Submitted date
2023-12-01Subject Terms
hybridizationsexual selection
lekking
introgression
birds
Metadata
Show full item recordAbstract
Despite large differences in morphology, behavior and lek-mating strategies the birds-of-paradise are known to hybridize occasionally, even across different genera. Many of these bird-of-paradise hybrids were originally described as distinct species based on large morphological differences when compared to recognized species. Nowadays, these specimens are generally recognized as hybrids based on morphological assessments. Having fascinated naturalists for centuries, hybrid specimens of birds-of-paradise have been collected and the specimens kept in Natural History Collections. In the present study, we utilize this remarkable resource in a museomics framework and evaluate the genomic composition of most described intergeneric hybrids and some intrageneric hybrids. We show that the majority of investigated specimens are first-generation hybrids and that the parental species, in most cases, are in line with prior morphological assessments. We also identify two specimens that are the result of introgressive hybridization between different genera. Additionally, two specimens exhibit hybrid morphologies but have no identifiable signals of hybridization, which may indicate that minor levels of introgression can have large morphological effects. Our findings provide direct evidence of contemporary introgressive hybridization taking place between genera of birds-of-paradise in nature, despite markedly different morphologies and lek-mating behaviors.Citation
Filip Thörn, André E R Soares, Ingo A Müller, Martin Päckert, Sylke Frahnert, Hein van Grouw, Pepijn Kamminga, Valentina Peona, Alexander Suh, Mozes P K Blom, Martin Irestedt, Contemporary intergeneric hybridization and backcrossing among birds-of-paradise, Evolution Letters, Volume 8, Issue 5, October 2024, Pages 680–694, https://doi.org/10.1093/evlett/qrae023Publisher
Oxford University Press (OUP)Journal
Evolution LettersType
Journal ArticleItem Description
Copyright © The Author(s) 2024. Published by Oxford University Press on behalf of The Society for the Study of Evolution (SSE) and European Society for Evolutionary Biology (ESEN). This is an Open Access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited. The attached file is the published version of the article.NHM Repository
EISSN
2056-3744ae974a485f413a2113503eed53cd6c53
10.1093/evlett/qrae023
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