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001-es BibID:BIBFORM078512
035-os BibID:(cikkazonosító)1651 (WoS)000430798100007 (Scopus)85046100134
Első szerző:Eberhart-Phillips, Luke J.
Cím:Demographic causes of adult sex ratio variation and their consequences for parental cooperation / Luke J. Eberhart-Phillips, Clemens Küpper, María Cristina Carmona-Isunza, Orsolya Vincze, Sama Zefania, Medardo Cruz-López, András Kosztolányi, Tom E. X. Miller, Zoltán Barta, Innes C. Cuthill, Terry Burke, Tamás Székely, Joseph I. Hoffman, Oliver Krüger
Dátum:2018
ISSN:2041-1723
Megjegyzések:The adult sex ratio (ASR) is a fundamental concept in population biology, sexual selection, and social evolution. However, it remains unclear which demographic processes generate ASR variation and how biases in ASR in turn affect social behaviour. Here, we evaluate the demographic mechanisms shaping ASR and their potential consequences for parental cooperation using detailed survival, fecundity, and behavioural data on 6119 individuals from six wild shorebird populations exhibiting flexible parental strategies. We show that these closely related populations express strikingly different ASRs, despite having similar ecologies and life histories, and that ASR variation is largely driven by sex differences in the apparent survival of juveniles. Furthermore, families in populations with biased ASRs were predominantly tended by a single parent, suggesting that parental cooperation breaks down with unbalanced sex ratios. Taken together, our results indicate that sex biases emerging during early life have profound consequences for social behaviour.
Tárgyszavak:Természettudományok Biológiai tudományok idegen nyelvű folyóiratközlemény külföldi lapban
folyóiratcikk
Megjelenés:Nature Communications. - 9 : 1 (2018), p. 1-8. -
További szerzők:Küpper, Clemens Carmona-Isunza, María Cristina Vincze Orsolya (1988-) (biológus) Zefania, Sama Cruz-López, Medardo Kosztolányi András (1971-) (biológus) Miller, Tom E. X. Barta Zoltán (1967-) (biológus, zoológus) Cuthill, Innes C. Burke, Terry Székely Tamás (1959-) (biológus) Hoffman, Joseph I. Krüger, Oliver
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001-es BibID:BIBFORM114476
035-os BibID:(WoS)001021686300008 (Scopus)85147046803
Első szerző:McDonald, Grant C.
Cím:Remating opportunities and low costs underlie maternal desertion / Grant C. McDonald, Innes C. Cuthill, Tamás Székely, András Kosztolányi
Dátum:2023
ISSN:0014-3820
Megjegyzések:Parental care can enhance offspring survival but may impose significant costs to parents. The costs and benefits of care are key to understanding patterns of parental care, where parents can benefit by having their partner increase investment in care, while reducing their own effort. However, investigating the costs and benefits of parental care in wild populations is challenging. Here we use highly detailed behavioral observations in families of a small shorebird, where one parent frequently deserts its offspring, to explore the potential costs and benefits of desertion in a wild population. We first show that females desert their broods more frequently than males. Second, we investigate the benefits of this frequent female desertion in terms of additional mating opportunities, and the costs of desertion to females in terms of the growth and survival of deserted offspring. Our results indicate that female desertion is favored by a combination of remating benefits and a lack of costs to brood growth and survival, as abandoned male parents continue to provide care after desertion. Our results shed light on the costs and benefits underlying natural desertion strategies and suggest that female desertion is a fine-tuned behavior that responds to seasonally changing benefits of desertion.
Tárgyszavak:Természettudományok Biológiai tudományok idegen nyelvű folyóiratközlemény külföldi lapban
folyóiratcikk
desertion
parental care
reproductive strategies
sexual conflict
Megjelenés:Evolution. - 77 : 1 (2023), p. 97-109. -
További szerzők:Cuthill, Innes C. Székely Tamás Kosztolányi András (1971-) (biológus)
Pályázati támogatás:ÉLVONAL KKP 126949
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K 116310
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