Successful breeding predicts divorce in plovers

Scientific Reports, Год журнала: 2020, Номер 10(1)

Опубликована: Сен. 23, 2020

Abstract When individuals breed more than once, parents are faced with the choice of whether to re-mate their old partner or divorce and select a new mate. Evolutionary theory predicts that, following successful reproduction given partner, that should be retained for future reproduction. However, recent work in polygamous bird, has instead indicated divorced often failed breeders (Halimubieke et al. Ecol Evol 9:10734–10745, 2019), because one parent can benefit by mating reproducing shortly after divorce. Here we investigate breeding using data from 14 well-monitored populations plovers ( Charadrius spp.). We show nesting leads divorce, whereas nest failure retention mate follow-up breeding. Plovers partners simultaneously deserted broods produced offspring within season Our provides counterpoint theoretical expectations is triggered low reproductive success, supports adaptive explanations as strategy improve individual success. In addition, temperature may modulate these costs benefits, contribute dynamic variation patterns across plover systems.

Язык: Английский

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Demographic Histories and Genome-Wide Patterns of Divergence in Incipient Species of Shorebirds

Frontiers in Genetics, Год журнала: 2019, Номер 10

Опубликована: Ноя. 8, 2019

Understanding how incipient species are maintained with gene flow is a fundamental question in evolutionary biology. Whole genome sequencing of multiple individuals holds great potential to illustrate patterns genomic differentiation as well the associated histories. Kentish (Charadrius alexandrinus) and white-faced (C. dealbatus) plovers, which differ their phenotype, ecology behaviour, two parapatrically distributed East Asia. Previous studies show evidence genetic diversification between plovers. Under this scenario, it importance explore divergence at level determine whether specific regions involved reproductive isolation local adaptation. Here we present first population analysis based on de novo plover reference resequenced populations. We that lineages distinct both nuclear mitochondrial genomes. Using model-based coalescence analysis, found sizes increased whereas plovers declined during Last Glaciation Period. Moreover, diverged allopatrically, occurring after secondary contact. This has resulted low levels genome-wide differentiation, although few highly differentiated autosomes Z-chromosome. study illustrates shorebird contact can exhibit discrete provides basis further exploration relevant phenotypic traits.

Язык: Английский

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Mate fidelity in a polygamous shorebird, the snowy plover ( Charadrius nivosus )

Ecology and Evolution, Год журнала: 2019, Номер 9(18), С. 10734 - 10745

Опубликована: Сен. 1, 2019

Social monogamy has evolved multiple times and is particularly common in birds. However, it not well understood why some species live long-lasting monogamous partnerships while others change mates between breeding attempts. Here, we investigate mate fidelity a sequential polygamous shorebird, the snowy plover (Charadrius nivosus), which both males females may have several attempts within season with same or different mates. Using 6 years of data from well-monitored population Bahía de Ceuta, Mexico, investigated predictors fitness implications years. We show that order to maximize reproductive success season, individuals divorce after successful nesting re-mate partner nest failure. Therefore, divorced plovers, counterintuitively, achieve higher than retain their mate. also mating decisions sexes predict dispersal patterns. Taken together, our findings imply an adaptive strategy improve stochastic environment. Understanding important for evolution polygamy, these behaviors productivity.

Язык: Английский

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Population genomics of two congeneric Palaearctic shorebirds reveals differential impacts of Quaternary climate oscillations across habitats types

Scientific Reports, Год журнала: 2019, Номер 9(1)

Опубликована: Дек. 3, 2019

Abstract Intracontinental biotic divisions across the vast Palaearctic region are not well-characterized. Past research has revealed patterns ranging from a lack of population structure to deep divergences along varied lines separation. Here we compared biogeographic two shorebirds with different habitat preferences, Whimbrel ( Numenius phaeopus ) and Eurasian curlew N. arquata ). Using genome-wide markers populations Palaearctic, applied multitude genomic phylogenomic approaches elucidate structure. Most importantly, tested for isolation by distance visualized barriers corridors gene flow. We found shallow in subpolar bog tundra-breeding whimbrels, consistent other species breeding at similarly high latitude, indicating connectivity tundra belt, both presently during southward shifts periods global cooling. In contrast, temperate grassland-breeding emerged three distinct clades corresponding glacial refugia. Barriers flow coincided areas topographic relief central whimbrels further east curlews. Our findings highlight interplay historic ecological factors influencing present-day biota.

Язык: Английский

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Population divergence and gene flow in two East Asian shorebirds on the verge of speciation

Scientific Reports, Год журнала: 2019, Номер 9(1)

Опубликована: Июнь 12, 2019

Genetic isolation of populations over evolutionary time leads to the formation independent species. We examined a pair shorebirds - Kentish Plover Charadrius alexandrinus and enigmatic White-faced C. dealbatus which display strong plumage differentiation, yet show minimal genetic divergence based on previous mitochondrial microsatellite work. Two scenarios may lead this situation: (1) they represent clinal or poorly diverged with limited genomic differentiation despite substantial variation, (2) are diverging taxa at cusp speciation, ongoing gene flow obliterating signals in traditional markers. compared genotypes 98 plovers (59 Plovers, 35 Plovers 4 hybrids) sampled eastern Asia Europe using ddRADSeq harvest 8000 genome-wide SNPs. In contrast studies, our analyses revealed two well defined clusters, hybridization narrow contact zone. also uncovered significant differences bill length further sex-specific size, signal mate choice between Plovers. Our results support hypothesis that shorebird duo is verge speciation.

Язык: Английский

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Novel insights into chromosome evolution of Charadriiformes: extensive genomic reshuffling in the wattled jacana (Jacana jacana, Charadriiformes, Jacanidae)

Genetics and Molecular Biology, Год журнала: 2020, Номер 43(1)

Опубликована: Янв. 1, 2020

The order Charadriiformes comprises three major clades: Lari and Scolopaci as sister group to Charadrii. Until now, only species have been studied by chromosome painting: Larus argentatus (Lari), Burhinus oedicnemus Vanellus chilensis (Charadrii). Hence, there is a lack of information concerning the third clade, Scolapaci. Based on this, gain better understanding karyotype evolution in Charadriiformes, we applied conventional molecular cytogenetic approaches belonging clade - wattled jacana (Jacana jacana) using Gallus gallus Zenaida auriculata chromosome-specific probes. Cross-species evaluation J. chromosomes shows extensive genomic reshuffling within macrochromosomes during evolution, with multiple fission fusion events, although diploid number remains at high level (2n=82). Interestingly, this does not GGA7-8 fusion, which was found two representatives Charadrii reinforcing idea that may be exclusive clade. In addition, it shown complex resulted typical atypical karyotypes. karyotypic features are very different from those Lari, indicating after divergence, each suborder has undergone rearrangements.

Язык: Английский

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No evidence for female kin association, indications for extragroup paternity, and sex‐biased dispersal patterns in wild western gorillas

Ecology and Evolution, Год журнала: 2021, Номер 11(12), С. 7634 - 7646

Опубликована: Май 25, 2021

Abstract Characterizing animal dispersal patterns and the rational behind individuals’ transfer choices is a long‐standing question of interest in evolutionary biology. In wild western gorillas ( Gorilla gorilla ), one‐male polygynous species, previous genetic findings suggested that, when dispersing, females might favor groups with female kin to promote cooperation, resulting higher‐than‐expected within‐group relatedness. The extent male remains unclear studies showing conflicting results. To investigate extragroup paternity, we analyzed long‐term field observations, including spatial proximity data, together data (10 autosomal microsatellites) on individuals from unique set four habituated groups, additional males (49 total). majority offspring (25 27) were sired by group male. For two offspring, evidence for paternity was found. Contrarily findings, adult not significantly more related within than across groups. Consistently, relatedness did correlate their inferred behavioral data. Adult similarly other Using R ST statistics, found significant structure pattern isolation distance, indicating limited this species. Comparing among revealed that disperse farer females, as expected polygamous Our study shed light dynamics reproductive behavior species challenge some results based unhabituated

Язык: Английский

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Population and Subspecies Differentiation in a High Latitude Breeding Wader, the Common Ringed Plover Charadrius hiaticula

Ardea, Год журнала: 2018, Номер 106(2), С. 163 - 163

Опубликована: Окт. 1, 2018

Exploring the patterns of genetic structure in context geographical and phenotypic variation is important to understand evolutionary processes involved speciation. We investigated population subspecies differentiation Common Ringed Plover Charadrius hiaticula, a high latitude wader that breeds arctic temperate zones from northeast Canada across Eurasia Russian Far East. Three subspecies, tundrae psammodromus, are currently widely recognised, whereas fourth kolymensis, has been proposed based on geographic isolation differences. genotyped 173 samples eleven breeding sites, representing all four putative at eight polymorphic microsatellite loci examine differentiation. Bayesian clustering identified three clusters among samples, corresponding sites recognised subspecies. The existence kolymensis was not supported. also detected presence previously unknown hybridisation zone extending Northern Scandinavia Belarus. Differentiation hiaticula most likely occurred allopatry Eurasian continent during past glaciation events, followed by expansion leading colonisation Iceland Greenland. lack within consistent with ongoing range gene flow maintained through migratory behaviour. discuss importance historic climate changes, behaviour mating system shaping observed pattern

Язык: Английский

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Social mating systems in birds: Resource-defense polygamy–but not lekking–is a macroevolutionarily unstable trait

Evolution, Год журнала: 2024, Номер unknown

Опубликована: Сен. 5, 2024

Abstract Our understanding of the evolution social mating systems is largely based on an atemporal ecological framework, whereas macroevolutionary and phylogenetic perspectives looking at causes variation are less developed. Here, we present analyses in birds unprecedented scale, including 66% world’s using trait-dependent speciation extinction models. We found that lekking (no bond between sexes) very rarely lost, accordance with hypothesis a male shifting to investing one rather than multiple mates would suffer severe fitness cost. In contrast, resource-defense polygamous lineages (with weak, transient socio-sexual bond) frequently revert back monogamy (strong, durable have elevated fraction. tentatively attribute this impossibility females settling optimal parental care strategy under system. Finally, most gains been directly from through intermediate stage polygamy.

Язык: Английский

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How Female-Female Competition Affects Male-Male Competition: Insights into Postcopulatory Sexual Selection from Socially Polyandrous Species

The American Naturalist, Год журнала: 2022, Номер 201(3), С. 460 - 471

Опубликована: Окт. 4, 2022

AbstractSexual selection is a major driver of trait variation, and the intensity male competition for mating opportunities has been linked with sperm size across diverse taxa. Mating among females may also shape evolution traits, but effect interplay between female-female male-male on morphology not well understood. We evaluated variation in two species socially polyandrous systems, which compete to mate multiple males. Northern jacanas (Jacana spinosa) wattled (J. jacana) vary their degree social polyandry sexual dimorphism, suggesting differences selection. compared mean variance head, midpiece, tail length breeding stages because these measures have associated competition. found that greater polyandry, northern jacana, longer midpieces tails as marginally lower intraejaculate length. Intraejaculate was significantly copulating males than incubating males, flexibility production cycle stages. Our results indicate stronger more intense by selecting less variable traits. These findings extend frameworks developed monogamous reveal be an important evolutionary force layered atop mates.

Язык: Английский

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