1
|
Czocherová I, Svetlík J, Rubáčová L. Intra- and interspecific interactions in the two coexisting Locustella warblers revealed by song playback experiments. Behav Processes 2024; 216:104992. [PMID: 38253112 DOI: 10.1016/j.beproc.2024.104992] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Revised: 04/13/2023] [Accepted: 01/17/2024] [Indexed: 01/24/2024]
Abstract
Males usually come into conflict due to competition for territories and females. However, interference competition can also occur between males of congeneric species when their ecological requirements are overlapping. Using acoustic playback experiments, we investigated male-male interactions within and between Grasshopper (Locustella naevia; GW) and River Warbler (L. fluviatilis; RW). Our objective was to evaluate the song and behavioural response of tested males of both species to conspecific song stimuli in order to compare this with the response to congeneric stimulus, based on which we could assess whether these two commonly co-existing species show interspecific territorialism. A total of nine GW and 11 RW males were tested in May and June 2019 in western Slovakia. The ability to differentiate between the heterospecific (control), congeneric, and conspecific stimuli was similar between the two species. Conspecific playback elicited the strongest non-vocal response and a significant change in vocalization. The GW males shortened the songs, while the RW males shortened the songs and also increased their syllable rate. The congeneric playback elicited a lower intensity of behavioural response than conspecific playback and no change in vocalization in either species. We conclude that interspecific interference competition between GW and RW is rather low, suggesting that the species' ecological requirements are separated, although these two congeneric species commonly share habitat.
Collapse
Affiliation(s)
- Ivana Czocherová
- Department of Zoology, Faculty of Natural Sciences, Comenius University in Bratislava, Mlynská dolina, Ilkovičova 6, 84215 Bratislava 4, Slovak Republic.
| | - Ján Svetlík
- Department of Ecology, Faculty of Natural Sciences, Comenius University in Bratislava, Mlynská dolina, Ilkovičova 6, 84215 Bratislava 4, Slovak Republic
| | - Lucia Rubáčová
- Department of Zoology, Faculty of Natural Sciences, Comenius University in Bratislava, Mlynská dolina, Ilkovičova 6, 84215 Bratislava 4, Slovak Republic
| |
Collapse
|
2
|
Patterson CW, Drury JP. Interspecific behavioural interference and range dynamics: current insights and future directions. Biol Rev Camb Philos Soc 2023; 98:2012-2027. [PMID: 37364865 DOI: 10.1111/brv.12993] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Revised: 06/08/2023] [Accepted: 06/12/2023] [Indexed: 06/28/2023]
Abstract
Novel biotic interactions in shifting communities play a key role in determining the ability of species' ranges to track suitable habitat. To date, the impact of biotic interactions on range dynamics have predominantly been studied in the context of interactions between different trophic levels or, to a lesser extent, exploitative competition between species of the same trophic level. Yet, both theory and a growing number of empirical studies show that interspecific behavioural interference, such as interspecific territorial and mating interactions, can slow down range expansions, preclude coexistence, or drive local extinction, even in the absence of resource competition. We conducted a systematic review of the current empirical research into the consequences of interspecific behavioural interference on range dynamics. Our findings demonstrate there is abundant evidence that behavioural interference by one species can impact the spatial distribution of another. Furthermore, we identify several gaps where more empirical work is needed to test predictions from theory robustly. Finally, we outline several avenues for future research, providing suggestions for how interspecific behavioural interference could be incorporated into existing scientific frameworks for understanding how biotic interactions influence range expansions, such as species distribution models, to build a stronger understanding of the potential consequences of behavioural interference on the outcome of future range dynamics.
Collapse
Affiliation(s)
| | - Jonathan P Drury
- Department of Biosciences, Durham University, Stockton Road, Durham, DH1 3LE, UK
| |
Collapse
|
3
|
Brumm H, de Framond L, Goymann W. Territorial behaviour of thrush nightingales outside the breeding season. Proc Biol Sci 2023; 290:20230496. [PMID: 37644837 PMCID: PMC10465977 DOI: 10.1098/rspb.2023.0496] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Accepted: 08/04/2023] [Indexed: 08/31/2023] Open
Abstract
Territoriality is a common pattern of space use in animals that has fundamental consequences for ecological processes. In the tropics, all-year resident songbirds usually hold territories throughout the year, whereas most all-year resident temperate species are territorial only during the breeding season. In long-distance migrants, however, the situation is mostly unexplored. Here, we report findings from a Palaearctic-African migrant, the thrush nightingale Luscinia luscina. We found that only a fraction of the males was territorial in their East African winter quarters and that this was related to the stage of their song development. Individuals with full song were territorial towards other full songsters, but not towards birds that sang plastic song (i.e. an earlier stage of song development). Plastic singers were not territorial towards full songsters and often settled closely to territorial males. We suggest that territoriality of thrush nightingales in the winter quarters may be a by-product of rising testosterone levels that trigger song crystallization. Collectively, our study indicates that changes in territoriality can occur rapidly, giving rise to shifting proportions of territorial and non-territorial individuals in a population, which may lead to complex dynamics in settlement patterns and resulting ecological interactions.
Collapse
Affiliation(s)
- Henrik Brumm
- Communication and Social Behaviour Group, Max Planck Institute for Ornithology, 82319 Seewiesen, Germany
| | - Léna de Framond
- Communication and Social Behaviour Group, Max Planck Institute for Ornithology, 82319 Seewiesen, Germany
| | - Wolfgang Goymann
- Department of Behavioural Neurobiology, Max Planck Institute for Ornithology, 82319 Seewiesen, Germany
| |
Collapse
|
4
|
McEachin S, Drury JP, Anderson CN, Grether GF. Mechanisms of reduced interspecific interference between territorial species. Behav Ecol 2021. [DOI: 10.1093/beheco/arab115] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Abstract
Interspecific territoriality has complex ecological and evolutionary consequences. Species that interact aggressively often exhibit spatial or temporal shifts in activity that reduce the frequency of costly encounters. We analyzed data collected over a 13-year period on 50 populations of rubyspot damselflies (Hetaerina spp.) to examine how rates of interspecific fighting covary with fine-scale habitat partitioning and to test for agonistic character displacement in microhabitat preferences. In most sympatric species, interspecific fights occur less frequently than expected based on the species’ relative densities. Incorporating measurements of spatial segregation and species discrimination into the calculation of expected frequencies accounted for most of the reduction in interspecific fighting (subtle differences in microhabitat preferences could account for the rest). In 23 of 25 sympatric population pairs, we found multivariate differences between species in territory microhabitat (perch height, stream width, current speed, and canopy cover). As predicted by the agonistic character displacement hypothesis, sympatric species that respond more aggressively to each other in direct encounters differ more in microhabitat use and have higher levels of spatial segregation. Previous work established that species with the lowest levels of interspecific fighting have diverged in territory signals and competitor recognition through agonistic character displacement. In the other species pairs, interspecific aggression appears to be maintained as an adaptive response to reproductive interference, but interspecific fighting is still costly. We now have robust evidence that evolved shifts in microhabitat preferences also reduce the frequency of interspecific fighting.
Collapse
Affiliation(s)
- Shawn McEachin
- Department of Ecology and Evolutionary Biology, University of California Los Angeles, 621 Charles Young Drive South, Los Angeles, CA, USA
| | | | | | - Gregory F Grether
- Department of Ecology and Evolutionary Biology, University of California Los Angeles, 621 Charles Young Drive South, Los Angeles, CA, USA
| |
Collapse
|
5
|
Hamao S. Effect of sympatry on discrimination of heterospecific song by varied tits. Anim Behav 2021. [DOI: 10.1016/j.anbehav.2021.07.023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
|
6
|
Two songbird species show subordinate responses to simulated territorial intrusions of an exotic competitor. Acta Ethol 2020. [DOI: 10.1007/s10211-020-00347-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
|
7
|
Sottas C, Reif J, Kreisinger J, Schmiedová L, Sam K, Osiejuk TS, Reifová R. Tracing the early steps of competition-driven eco-morphological divergence in two sister species of passerines. Evol Ecol 2020. [DOI: 10.1007/s10682-020-10050-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
|
8
|
Kirschel ANG, Seddon N, Tobias JA. Range-wide spatial mapping reveals convergent character displacement of bird song. Proc Biol Sci 2020; 286:20190443. [PMID: 31039717 DOI: 10.1098/rspb.2019.0443] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
A long-held view in evolutionary biology is that character displacement generates divergent phenotypes in closely related coexisting species to avoid the costs of hybridization or ecological competition, whereas an alternative possibility is that signals of dominance or aggression may instead converge to facilitate coexistence among ecological competitors. Although this counterintuitive process-termed convergent agonistic character displacement-is supported by recent theoretical and empirical studies, the extent to which it drives spatial patterns of trait evolution at continental scales remains unclear. By modelling the variation in song structure of two ecologically similar species of Hypocnemis antbird across western Amazonia, we show that their territorial signals converge such that trait similarity peaks in the sympatric zone, where intense interspecific territoriality between these taxa has previously been demonstrated. We also use remote sensing data to show that signal convergence is not explained by environmental gradients and is thus unlikely to evolve by sensory drive (i.e. acoustic adaptation to the sound transmission properties of habitats). Our results suggest that agonistic character displacement driven by interspecific competition can generate spatial patterns opposite to those predicted by classic character displacement theory, and highlight the potential role of social selection in shaping geographical variation in signal phenotypes of ecological competitors.
Collapse
Affiliation(s)
- Alexander N G Kirschel
- 1 Department of Biological Sciences, University of Cyprus , PO Box 20537, Nicosia 1678 , Cyprus.,2 Edward Grey Institute, Department of Zoology, University of Oxford , South Parks Road, Oxford OX1 3PS , UK
| | - Nathalie Seddon
- 2 Edward Grey Institute, Department of Zoology, University of Oxford , South Parks Road, Oxford OX1 3PS , UK
| | - Joseph A Tobias
- 2 Edward Grey Institute, Department of Zoology, University of Oxford , South Parks Road, Oxford OX1 3PS , UK.,3 Department of Life Sciences, Imperial College London , Silwood Park, Buckhurst Road, Ascot, Berkshire SL5 7PY , UK
| |
Collapse
|
9
|
Singing behind the stage: thrush nightingales produce more variable songs on their wintering grounds. Behav Ecol Sociobiol 2019. [DOI: 10.1007/s00265-019-2765-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
|
10
|
Grether GF, Drury JP, Okamoto KW, McEachin S, Anderson CN. Predicting evolutionary responses to interspecific interference in the wild. Ecol Lett 2019; 23:221-230. [PMID: 31733032 DOI: 10.1111/ele.13395] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2019] [Revised: 08/27/2019] [Accepted: 09/07/2019] [Indexed: 11/27/2022]
Abstract
Many interspecifically territorial species interfere with each other reproductively, and in some cases, aggression towards heterospecifics may be an adaptive response to interspecific mate competition. This hypothesis was recently formalised in an agonistic character displacement (ACD) model which predicts that species should evolve to defend territories against heterospecific rivals above a threshold level of reproductive interference. To test this prediction, we parameterised the model with field estimates of reproductive interference for 32 sympatric damselfly populations and ran evolutionary simulations. Asymmetries in reproductive interference made the outcome inherently unpredictable in some cases, but 80% of the model's stable outcomes matched levels of heterospecific aggression in the field, significantly exceeding chance expectations. In addition to bolstering the evidence for ACD, this paper introduces a new, predictive approach to testing character displacement theory that, if applied to other systems, could help in resolving long-standing questions about the importance of character displacement processes in nature.
Collapse
Affiliation(s)
- Gregory F Grether
- Department of Ecology and Evolutionary Biology, University of California Los Angeles, Los Angeles, CA, USA
| | | | | | - Shawn McEachin
- Department of Ecology and Evolutionary Biology, University of California Los Angeles, Los Angeles, CA, USA
| | | |
Collapse
|
11
|
Albrecht T, Opletalová K, Reif J, Janoušek V, Piálek L, Cramer ERA, Johnsen A, Reifová R. Sperm divergence in a passerine contact zone: Indication of reinforcement at the gametic level. Evolution 2019; 73:202-213. [DOI: 10.1111/evo.13677] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2018] [Accepted: 12/19/2018] [Indexed: 12/23/2022]
Affiliation(s)
- Tomáš Albrecht
- Faculty of Science, Department of ZoologyCharles University in Prague Praha 2 , CZ‐12844 Czech Republic
- Institute of Vertebrate Biology, v.v.i.The Czech Academy of Sciences Brno CZ‐60365 Czech Republic
| | - Kamila Opletalová
- Faculty of Science, Department of ZoologyCharles University in Prague Praha 2 , CZ‐12844 Czech Republic
| | - Jiří Reif
- Faculty of Science, Institute for Environmental StudiesCharles University in Prague Praha 2 CZ‐12100 Czech Republic
| | - Václav Janoušek
- Faculty of Science, Department of ZoologyCharles University in Prague Praha 2 , CZ‐12844 Czech Republic
| | - Lubomír Piálek
- Faculty of Science, Department of ZoologyUniversity of South Bohemia České Budějovice CZ‐370 05 Czech Republic
| | | | - Arild Johnsen
- Natural History MuseumUniversity of Oslo 0318 Oslo Norway
| | - Radka Reifová
- Faculty of Science, Department of ZoologyCharles University in Prague Praha 2 , CZ‐12844 Czech Republic
| |
Collapse
|
12
|
Sottas C, Reif J, Kuczyński L, Reifová R. Interspecific competition promotes habitat and morphological divergence in a secondary contact zone between two hybridizing songbirds. J Evol Biol 2018; 31:914-923. [PMID: 29603471 DOI: 10.1111/jeb.13275] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2017] [Accepted: 03/22/2018] [Indexed: 01/25/2023]
Abstract
Interspecific competition is assumed to play an important role in the ecological differentiation of species and speciation. However, empirical evidence for competition's role in speciation remains surprisingly scarce. Here, we studied the role of interspecific competition in the ecological differentiation and speciation of two closely related songbird species, the Common Nightingale (Luscinia megarhynchos) and the Thrush Nightingale (Luscinia luscinia). Both species are insectivorous and ecologically very similar. They hybridize in a secondary contact zone, which is a mosaic of sites where both species co-occur (syntopy) and sites where only one species is present (allotopy). We analysed fine-scale habitat data for both species in both syntopic and allotopic sites and looked for associations between habitat use and bill morphology, which have been previously shown to be more divergent in sympatry than in allopatry. We found that the two nightingale species differ in habitat use in allotopic sites, where L. megarhynchos occurred in drier habitats and at slightly higher elevations, but not in syntopic sites. Birds from allotopic sites also showed higher interspecific divergence in relative bill size compared to birds from syntopic sites. Finally, we found an association between bill morphology and elevation. Our results are consistent with the view that interspecific competition in nightingales has resulted in partial habitat segregation in sympatry and that the habitat-specific food supply has in turn very likely led to bill size divergence. Such ecological divergence may enhance prezygotic as well as extrinsic postzygotic isolation and thus accelerate the completion of the speciation process.
Collapse
Affiliation(s)
- Camille Sottas
- Department of Zoology, Faculty of Science, Charles University, Prague, Czech Republic
| | - Jiří Reif
- Institute for Environmental Studies, Faculty of Science, Charles University, Prague, Czech Republic.,Department of Zoology and Laboratory of Ornithology, Faculty of Science, Palacký University in Olomouc, Olomouc, Czech Republic
| | - Lechosław Kuczyński
- Population Ecology Lab, Institute of Environmental Biology, Faculty of Biology, Adam Mickiewicz University in Poznań, Poznań, Poland
| | - Radka Reifová
- Department of Zoology, Faculty of Science, Charles University, Prague, Czech Republic
| |
Collapse
|
13
|
Souriau A, Kohoutová H, Reif J, Vokurková J, Petrusek A, Reifová R, Petrusková T. Can mixed singing facilitate coexistence of closely related nightingale species? Behav Ecol 2018. [DOI: 10.1093/beheco/ary053] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- Abel Souriau
- Department of Ecology, Faculty of Science, Charles University, Prague, Czech Republic
| | - Hana Kohoutová
- Department of Zoology, Faculty of Science, Charles University, Prague, Czech Republic
| | - Jiří Reif
- Institute for Environmental Studies, Faculty of Science, Charles University, Prague, Czech Republic
| | - Jana Vokurková
- Department of Ecology, Faculty of Science, Charles University, Prague, Czech Republic
| | - Adam Petrusek
- Department of Ecology, Faculty of Science, Charles University, Prague, Czech Republic
| | - Radka Reifová
- Department of Zoology, Faculty of Science, Charles University, Prague, Czech Republic
| | - Tereza Petrusková
- Department of Ecology, Faculty of Science, Charles University, Prague, Czech Republic
| |
Collapse
|
14
|
Xia C, Lloyd H, Shi J, Wei C, Zhang Y. Dawn singing of the Brownish-flanked Bush Warbler influences dawn chorusing in a bird community. Ethology 2018. [DOI: 10.1111/eth.12740] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Canwei Xia
- Ministry of Education Key Laboratory for Biodiversity and Ecological Engineering; College of Life Sciences; Beijing Normal University; Beijing China
| | - Huw Lloyd
- Division of Biology and Conservation Ecology; School of Science and the Environment; Manchester Metropolitan University; Manchester UK
| | - Jie Shi
- Ministry of Education Key Laboratory for Biodiversity and Ecological Engineering; College of Life Sciences; Beijing Normal University; Beijing China
| | - Chentao Wei
- Ministry of Education Key Laboratory for Biodiversity and Ecological Engineering; College of Life Sciences; Beijing Normal University; Beijing China
| | - Yanyun Zhang
- Ministry of Education Key Laboratory for Biodiversity and Ecological Engineering; College of Life Sciences; Beijing Normal University; Beijing China
| |
Collapse
|
15
|
Reif J, Reifová R, Skoracka A, Kuczyński L. Competition-driven niche segregation on a landscape scale: Evidence for escaping from syntopy towards allotopy in two coexisting sibling passerine species. J Anim Ecol 2018; 87:774-789. [PMID: 29430650 DOI: 10.1111/1365-2656.12808] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2017] [Accepted: 12/21/2017] [Indexed: 01/15/2023]
Abstract
The role of interspecific competition for generating patterns in species' distribution is hotly debated and studies taking into account processes occurring at both large and small spatial scales are almost missing. Theoretically, competition between species with overlapping niches should result in divergence of their niches in sympatry to reduce the costs of competition. Many species show a mosaic distribution within sympatric zones, with the syntopic sites occupied by both species, and allotopic sites where only one species occurs. It is unclear whether such mosaics arise as a consequence of competition-driven niche segregation or due to the decline of their abundances towards range edges driven by environmental gradients. If the interspecific competition matters, we should observe (1) a shift in habitat preferences of one or both species between syntopy and allotopy, and (2) between allopatry and allotopy. Moreover, (3) species should show greater divergence in their habitat preferences in allotopy than in allopatry where (4) no differences in habitat preferences may occur. Finally, (5) shifts should be generally greater in the competitively subordinate species than in the dominant species. We used a unique dataset on abundance of two closely related passerine species, the Common Nightingale (Luscinia megarhynchos) and the Thrush Nightingale (Luscinia luscinia), collected across their syntopy, allotopy and allopatry. The predictions were tested within a generalized mixed-effects modelling framework. After accounting for environmental gradients perpendicular to the species' contact zone, we found a strong support for all but one prediction. Habitat preferences of both species shifted markedly between syntopy and allotopy, as well as between allopatry and allotopy. Whereas the species preferred the same habitats in allopatry, their preferences became strikingly different in allotopy where the abundance of the Common Nightingale increased towards dry and warm sites with low coverage of pastures, while the abundance of the Thrush Nightingale showed exactly opposite trends. Fifth prediction was not supported. Our results indicate that the competition between closely related species can result in considerable changes in habitat use across their geographic ranges accompanied with divergence in their habitat preferences in sympatry. Here, the species "escape" from competition to allotopic sites covered by habitats avoided by the competitor. Therefore, we argue that the interspecific competition is an important driver of species' distribution at both large and small spatial scales.
Collapse
Affiliation(s)
- Jiří Reif
- Faculty of Science, Institute for Environmental Studies, Charles University, Prague, Czech Republic.,Department of Zoology and Laboratory of Ornithology, Faculty of Science, Palacky University, Olomouc, Czech Republic
| | - Radka Reifová
- Department of Zoology, Faculty of Science, Charles University, Prague, Czech Republic
| | - Anna Skoracka
- Population Ecology Lab, Faculty of Biology, Adam Mickiewicz University in Poznań, Poznań, Poland
| | - Lechosław Kuczyński
- Population Ecology Lab, Faculty of Biology, Adam Mickiewicz University in Poznań, Poznań, Poland
| |
Collapse
|
16
|
Mořkovský L, Janoušek V, Reif J, Rídl J, Pačes J, Choleva L, Janko K, Nachman MW, Reifová R. Genomic islands of differentiation in two songbird species reveal candidate genes for hybrid female sterility. Mol Ecol 2018; 27:949-958. [PMID: 29319911 DOI: 10.1111/mec.14479] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2016] [Revised: 12/15/2017] [Accepted: 12/16/2017] [Indexed: 12/24/2022]
Abstract
Hybrid sterility is a common first step in the evolution of postzygotic reproductive isolation. According to Haldane's Rule, it affects predominantly the heterogametic sex. While the genetic basis of hybrid male sterility in organisms with heterogametic males has been studied for decades, the genetic basis of hybrid female sterility in organisms with heterogametic females has received much less attention. We investigated the genetic basis of reproductive isolation in two closely related avian species, the common nightingale (Luscinia megarhynchos) and the thrush nightingale (L. luscinia), that hybridize in a secondary contact zone and produce viable hybrid progeny. In accordance with Haldane's Rule, hybrid females are sterile, while hybrid males are fertile, allowing gene flow to occur between the species. Using transcriptomic data from multiple individuals of both nightingale species, we identified genomic islands of high differentiation (FST ) and of high divergence (Dxy ), and we analysed gene content and patterns of molecular evolution within these islands. Interestingly, we found that these islands were enriched for genes related to female meiosis and metabolism. The islands of high differentiation and divergence were also characterized by higher levels of linkage disequilibrium than the rest of the genome in both species indicating that they might be situated in genomic regions of low recombination. This study provides one of the first insights into genetic basis of hybrid female sterility in organisms with heterogametic females.
Collapse
Affiliation(s)
- Libor Mořkovský
- Department of Zoology, Faculty of Science, Charles University, Prague 2, Czech Republic
| | - Václav Janoušek
- Department of Zoology, Faculty of Science, Charles University, Prague 2, Czech Republic
| | - Jiří Reif
- Institute for Environmental Studies, Faculty of Science, Charles University, Prague 2, Czech Republic
| | - Jakub Rídl
- Laboratory of Genomics and Bioinformatics, Institute of Molecular Genetics, The Czech Academy of Sciences, Prague 4, Czech Republic
| | - Jan Pačes
- Laboratory of Genomics and Bioinformatics, Institute of Molecular Genetics, The Czech Academy of Sciences, Prague 4, Czech Republic
| | - Lukáš Choleva
- Laboratory of Fish Genetics, Institute of Animal Physiology and Genetics, The Czech Academy of Sciences, Liběchov, Czech Republic.,Department of Biology and Ecology, Faculty of Science, University of Ostrava, Ostrava, Czech Republic
| | - Karel Janko
- Laboratory of Fish Genetics, Institute of Animal Physiology and Genetics, The Czech Academy of Sciences, Liběchov, Czech Republic
| | - Michael W Nachman
- Museum of Comparative Zoology and Integrative Biology, University of California, Berkeley, CA, USA
| | - Radka Reifová
- Department of Zoology, Faculty of Science, Charles University, Prague 2, Czech Republic
| |
Collapse
|
17
|
Wheatcroft D, Qvarnström A. Reproductive character displacement of female, but not male song discrimination in an avian hybrid zone. Evolution 2017; 71:1776-1786. [DOI: 10.1111/evo.13267] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2017] [Revised: 04/20/2017] [Accepted: 05/02/2017] [Indexed: 12/12/2022]
Affiliation(s)
- David Wheatcroft
- Animal Ecology, Department of Ecology and Genetics Uppsala University Norbyvägen 18D 752 36 Sweden
| | - Anna Qvarnström
- Animal Ecology, Department of Ecology and Genetics Uppsala University Norbyvägen 18D 752 36 Sweden
| |
Collapse
|
18
|
Losin N, Drury JP, Peiman KS, Storch C, Grether GF. The ecological and evolutionary stability of interspecific territoriality. Ecol Lett 2016; 19:260-7. [DOI: 10.1111/ele.12561] [Citation(s) in RCA: 44] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2015] [Revised: 06/16/2015] [Accepted: 11/23/2015] [Indexed: 11/29/2022]
Affiliation(s)
- Neil Losin
- Department of Ecology and Evolutionary Biology University of California 621 Charles E. Young Drive South Los Angeles CA 90095‐1606 USA
| | - Jonathan P. Drury
- Department of Ecology and Evolutionary Biology University of California 621 Charles E. Young Drive South Los Angeles CA 90095‐1606 USA
| | - Kathryn S. Peiman
- Department of Ecology and Evolutionary Biology University of California 621 Charles E. Young Drive South Los Angeles CA 90095‐1606 USA
| | - Chaya Storch
- Department of Ecology and Evolutionary Biology University of California 621 Charles E. Young Drive South Los Angeles CA 90095‐1606 USA
| | - Gregory F. Grether
- Department of Ecology and Evolutionary Biology University of California 621 Charles E. Young Drive South Los Angeles CA 90095‐1606 USA
| |
Collapse
|
19
|
Pegan TM, Rumelt RB, Dzielski SA, Ferraro MM, Flesher LE, Young N, Class Freeman A, Freeman BG. Asymmetric Response of Costa Rican White-Breasted Wood-Wrens (Henicorhina leucosticta) to Vocalizations from Allopatric Populations. PLoS One 2015; 10:e0144949. [PMID: 26671001 PMCID: PMC4679390 DOI: 10.1371/journal.pone.0144949] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2015] [Accepted: 11/25/2015] [Indexed: 11/25/2022] Open
Abstract
Divergence in song between allopatric populations can contribute to premating reproductive isolation in territorial birds. Song divergence is typically measured by quantifying divergence in vocal traits using audio recordings, but field playback experiments provide a more direct way to behaviorally measure song divergence between allopatric populations. The White-breasted Wood-Wren (Henicorhina leucosticta; hereafter “WBWW”) is an abundant Neotropical species with four mitochondrial clades (in Central America, the Darién, the Chocó and the Amazon) that are deeply divergent (~5–16% sequence divergence). We assessed the possibility that the WBWW as currently defined may represent multiple biological species by conducting both statistical analysis of vocal characters and field playback experiments within three clades (Central America, Chocó and Amazon). Our analysis of vocal traits revealed that Central American songs overlapped in acoustic space with Chocó songs, indicating vocal similarity between these two populations, but that Central American songs were largely divergent from Amazonian songs. Playback experiments in the Caribbean lowlands of Costa Rica revealed that Central American WBWWs typically responded aggressively to songs from the Chocó population but did not respond to playback of songs from the Amazonian population, echoing the results of the vocal trait analysis. This marked difference in behavioral response demonstrates that the songs of Central American and Amazonian WBWWs (but not Central American and Chocó WBWWs) have diverged sufficiently that Central American WBWWs no longer recognize song from Amazonian WBWWs as a signal to elicit territorial defense. This suggests that significant premating reproductive isolation has evolved between these two populations, at least from the perspective of the Central American population, and is consistent with the possibility that Central American and Amazonian populations represent distinct biological species. We conclude by advocating for the further use of field playback experiments to assess premating reproductive isolation (and species limits) between allopatric songbird populations, a situation where behavioral systematics can answer questions that phylogenetic systematics cannot.
Collapse
Affiliation(s)
- Teresa M Pegan
- Department of Ecology and Evolutionary Biology, Cornell University, Ithaca, NY, United States of America
| | - Reid B Rumelt
- Department of Ecology and Evolutionary Biology, Cornell University, Ithaca, NY, United States of America
| | - Sarah A Dzielski
- Department of Ecology and Evolutionary Biology, Cornell University, Ithaca, NY, United States of America
| | - Mary Margaret Ferraro
- Department of Ecology and Evolutionary Biology, Cornell University, Ithaca, NY, United States of America
| | - Lauren E Flesher
- Department of Ecology and Evolutionary Biology, Cornell University, Ithaca, NY, United States of America
| | - Nathaniel Young
- Department of Ecology and Evolutionary Biology, Cornell University, Ithaca, NY, United States of America
| | | | - Benjamin G Freeman
- Department of Ecology and Evolutionary Biology, Cornell University, Ithaca, NY, United States of America
- Cornell Laboratory of Ornithology, Ithaca, NY, United States of America
| |
Collapse
|