Species-specific song responses emerge as a by-product of tuning to the local dialect

Wheatcroft, David; Bliard, Louis; Harouchi, Myriam El; López-Idiáquez, David; Kärkkäinen, Tiia; Kraft, Fanny-Linn H.; Muriel, Jaime; Rajan, Samyuktha; Tuvillo, Tomas; Burgess, Malcolm D.; Cantarero, Alejandro; Laaksonen, Toni; Martínez‐Padilla, Jesús; Visser, Marcel E.; Qvarnström, Anna

doi:10.1016/j.cub.2022.09.063

Cited by 5 publications

(4 citation statements)

References 41 publications

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“…Vocalizations are believed to act as important signals involved in mate choice in many organisms, and hence are potentially important for reproductive isolation between species (e.g., Filippi-Codaccioni et al 2018 ; Campbell et al 2019 ; Drillon et al 2019 ; Vedenina and von Helversen 2003 ; Hagberg et al 2022 ). In a study of Ficedula flycatchers, the preference for the local song dialect over other conspecific dialects and heterospecific song was found to develop already in the nestlings ( Wheatcroft et al 2022 ). It has been suggested that cultural evolution, in conjunction with associated learning predispositions, may drive the emergence of premating reproductive barriers, particularly in passerine birds ( Mason et al 2017 ; Arato and Fitch 2021 ; Wheatcroft et al 2022 ).…”

Section: Discussionmentioning

confidence: 99%

“…In a study of Ficedula flycatchers, the preference for the local song dialect over other conspecific dialects and heterospecific song was found to develop already in the nestlings ( Wheatcroft et al 2022 ). It has been suggested that cultural evolution, in conjunction with associated learning predispositions, may drive the emergence of premating reproductive barriers, particularly in passerine birds ( Mason et al 2017 ; Arato and Fitch 2021 ; Wheatcroft et al 2022 ).…”

Section: Discussionmentioning

confidence: 99%

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Limited Song Mixing Without Genomic Gene Flow in a Contact Zone Between Two Songbird Species

Dang

Tang

et al. 2023

Molecular Biology and Evolution

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Song is considered to play an important role in the maintenance of prezygotic reproductive isolation between closely related songbird species. Therefore, song-mixing in a contact zone between closely related species is often considered as evidence of hybridization. The Sichuan Leaf Warbler Phylloscopus forresti and the Gansu Leaf Warbler P. kansuensis, which diverged two million years ago, have formed a contact zone in the south of the Gansu Province of China, where mixed-songs have been observed. In this study, we investigated the potential causes and consequences of song-mixing by integrating bioacoustic, morphological, mitochondrial, and genomic data with field ecological observations. We found that the two species display no apparent morphological differences, while their songs differ dramatically. We demonstrated that approximately 11% of the males in the contact zone sang mixed-songs. Two males singing mixed-song were genotyped, and both were found to be P. kansuensis. Despite the presence of mixed-singers, population genomic analyses detected no signs of recent gene flow between the two species, although two possible cases of mitochondrial introgression were identified. We conclude that the rather limited song-mixing does not lead to, or result from, hybridization, and hence does not result in the breakdown of reproductive barriers between these cryptic species.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Limited Song Mixing Without Genomic Gene Flow in a Contact Zone Between Two Songbird Species

Dang

Tang

et al. 2023

Molecular Biology and Evolution

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“…The DTW algorithm calculates the optimal alignment between all the vocalisations i.e., syllables in the dataset, based on multiple acoustic features, and then provides a final output of a syllable dissimilarity matrix [ 76 ]. We followed the same settings used in Wheatcroft et al [ 77 ] that has provided reliable grouping outputs for other songbird species: compression factor = 0.0001, time SD weighting = 1, maximum warp = 25%, minimum element length = 25 samples; with the following weightings for time (5), mean frequency (1), mean frequency change (1), normalised mean frequency (1). All other acoustic features were left at the standard values.…”

Section: Methodsmentioning

confidence: 99%

Species-specific dynamics may cause deviations from general biogeographical predictions – evidence from a population genomics study of a New Guinean endemic passerine bird family (Melampittidae)

Müller,

Thörn,

Rajan

et al. 2024

PLoS ONE

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The family Melampittidae is endemic to New Guinea and consists of two monotypic genera: Melampitta lugubris (Lesser Melampitta) and Megalampitta gigantea (Greater Melampitta). Both Melampitta species have scattered and disconnected distributions across New Guinea in the central mountain range and in some of the outlying ranges. While M. lugubris is common and found in most montane regions of the island, M. gigantaea is elusive and known from only six localities in isolated pockets on New Guinea with very specific habitats of limestone and sinkholes. In this project, we apply museomics to determine the population structure and demographic history of these two species. We re-sequenced the genomes of all seven known M. gigantaea samples housed in museum collections as well as 24 M. lugubris samples from across its distribution. By comparing population structure between the two species, we investigate to what extent habitat dependence, such as in M. gigantaea, may affect population connectivity. Phylogenetic and population genomic analyses, as well as acoustic variation revealed that M. gigantaea consists of a single population in contrast to M. lugubris that shows much stronger population structure across the island. We suggest a recent collapse of M. gigantaea into its fragmented habitats as an explanation to its unexpected low diversity and lack of population structure. The deep genetic divergences between the M. lugubris populations on the Vogelkop region, in the western central range and the eastern central range, respectively, suggests that these three populations should be elevated to full species level. This work sheds new light on the mechanisms that have shaped the intriguing distribution of the two species within this family and is a prime example of the importance of museum collections for genomic studies of poorly known and rare species.

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“…We compared these divergence time estimates with those obtained from the hPSMC analyses. The vocalisations were then compared using the dynamic time warping algorithm (DTW) in Luscinia, following the same settings used in Wheatcroft et al [62] that has provided reliable grouping outputs for other songbird species. The final output of the DTW analysis was an acoustic dissimilarity matrix, from which we extracted 10 principal components using nonmetric multidimensional scaling.…”

Section: Estimation Of Effective Population Sizes Through Time and Di...mentioning

confidence: 99%

Species-specific dynamics may cause deviations from general biogeographical predictions – evidence from a population genomics study of a New Guinean endemic passerine bird family (Melampittidae)

Müller,

Thörn,

Rajan

et al. 2023

Preprint

Self Cite

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New Guinea, the largest tropical island, is topographically complex and is dominated by a large central mountain range surrounded by multiple smaller isolated mountain regions along its perimeter. The island is biologically hyper-diverse and harbours an avifauna with many species found only there. The family Melampittidae is endemic to New Guinea and consists of two monotypic genera: Melampitta lugubris (Lesser Melampitta) and Megalampitta gigantea (Greater Melampitta). Both Melampitta species have scattered and disconnected distributions across New Guinea in the central mountain range and in some of the outlying ranges. While M. lugubris is common and found in most montane regions of the island, M. gigantaea is elusive and known from only six localities in isolated pockets on New Guinea with very specific habitats of limestone and sinkholes. In this project, we apply museomics to determine the population structure and demographic history of these two species. We re-sequenced the genomes of all seven known M. gigantaea samples housed in museum collections as well as 24 M. lugubris samples from across its distribution. By comparing population structure between the two species, we investigate to what extent habitat dependence, such as in M. gigantaea, may affect population connectivity. Phylogenetic and population genomic analyses, as well as acoustic differentiation, revealed that M. gigantaea consists of a single population in contrast to M. lugubris that shows much stronger population structure across the island. This work sheds new light on the mechanisms that have shaped the intriguing distribution of the two species within this family and is a prime example of the importance of museum collections for genomic studies of poorly known and rare species.

show abstract

Species-specific song responses emerge as a by-product of tuning to the local dialect

Cited by 5 publications

References 41 publications

Limited Song Mixing Without Genomic Gene Flow in a Contact Zone Between Two Songbird Species

Limited Song Mixing Without Genomic Gene Flow in a Contact Zone Between Two Songbird Species

Species-specific dynamics may cause deviations from general biogeographical predictions – evidence from a population genomics study of a New Guinean endemic passerine bird family (Melampittidae)

Species-specific dynamics may cause deviations from general biogeographical predictions – evidence from a population genomics study of a New Guinean endemic passerine bird family (Melampittidae)

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