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title Flexible parental care: Uniparental incubation in biparentally incubating shorebirds
authors Bulla, M; Pruter, H; Vitnerova, H; Tijsen, W; Sladecek, M; Alves, JA; Gilg, O; Kempenaers, B
author full name Bulla, Martin; Prueter, Hanna; Vitnerova, Hana; Tijsen, Wim; Sladecek, Martin; Alves, Jose A.; Gilg, Olivier; Kempenaers, Bart
title Flexible parental care: Uniparental incubation in biparentally incubating shorebirds
nationality internacional
source SCIENTIFIC REPORTS
language English
document type Article
keywords plus MATING SYSTEM; MODELS; FISH; INVESTMENT; PATTERNS; POLYGYNY; BIRDS; TIME
abstract The relative investment of females and males into parental care might depend on the population's adult sex-ratio. For example, all else being equal, males should be the more caring sex if the sex-ratio is male biased. Whether such outcomes are evolutionary fixed (i.e. related to the species' typical sex-ratio) or whether they arise through flexible responses of individuals to the current population sex-ratio remains unclear. Nevertheless, a flexible response might be limited by the evolutionary history of the species, because one sex may have lost the ability to care or because a single parent cannot successfully raise the brood. Here, we demonstrate that after the disappearance of one parent, individuals from 8 out of 15 biparentally incubating shorebird species were able to incubate uniparentally for 1-19 days (median = 3, N = 69). Moreover, their daily incubation rhythm often resembled that of obligatory uniparental shorebird species. Although it has been suggested that in some biparental shorebirds females desert their brood after hatching, we found both sexes incubating uniparentally. Strikingly, in 27% of uniparentally incubated clutches - from 5 species - we documented successful hatching. Our data thus reveal the potential for a flexible switch from biparental to uniparental care.
author address [Bulla, Martin; Prueter, Hanna; Vitnerova, Hana; Kempenaers, Bart] Max Planck Inst Ornithol, Dept Behav Ecol & Evolutionary Genet, Seewiesen, Germany; [Prueter, Hanna] Leibniz Inst Zoo & Wildlife Res, Dept Wildlife Dis, Berlin, Germany; [Vitnerova, Hana] Charles Univ Prague, Fac Environm Sci, Dept Zool, Prague, Czech Republic; [Tijsen, Wim] Poelweg 12, NL-1778 KB Westerland, Netherlands; [Sladecek, Martin] Czech Univ Life Sci, Fac Environm Sci, Dept Ecol, Prague, Czech Republic; [Alves, Jose A.] Univ Aveiro, Dept Biol, Aveiro, Portugal; [Alves, Jose A.] Univ Aveiro, Ctr Environm & Marine Studies, Aveiro, Portugal; [Alves, Jose A.] Univ Iceland, South Iceland Res Ctr, Selfoss, Iceland; [Gilg, Olivier] Univ Bourgogne Franche Comte, UMR Biogeosci 6282, Equipe Ecol Evolut, 6 Bd Gabriel, F-21000 Dijon, France; [Gilg, Olivier] Grp Rech Ecol Arctique, 16 Rue Vernot, F-21440 Francheville, France
reprint address Bulla, M (reprint author), Max Planck Inst Ornithol, Dept Behav Ecol & Evolutionary Genet, Seewiesen, Germany.
e-mail address bulla.mar@gmail.com
orcid number GILG, Olivier/0000-0002-9083-4492; Alves, Jose/0000-0001-7182-0936; Bulla, Martin/0000-0002-1328-1927
funding agency and grant number Max Planck Society; EU Marie Curie individual fellowship at NIOZ Royal Netherlands Institute for Sea Research, Department of Coastal Systems [4231.1 SocialJetLag]; Grant MSMT Kontakt II [LH13278]; CIGA [20164209]; FCT [SFRH/BPD/91527/2012]; RANNIS [130412-051]; French Polar Institute IPEV Program 1036
funding text We thank A. Rutten, E. Buchel, E. Stich, E. Vozabulova~, F. Heim, F. Pruter, I. Steenbergen, J. Mlikovsky, K. Chmel, K. Murbock, L. Langlois, L. Verlinden, M. Schneider, M. Salek, M. Valcu, S. Herber, S. Hobma, V. Dvorak, V. Heuacker, and V. Kubelka for help in the field, A. Girg for the genetic sexing, M. Valcu for advice on data analysis, and D. Starr-Glass, B. Bulla, Mark Mainwaring and two anonymous reviewers for constructive suggestions on the manuscript. M. B. thanks Bare and Maje for patience and support. M. B. did this work as a PhD student in the International Max Planck Research School for Organismal Biology. This work was funded by the Max Planck Society (to B. K.), EU Marie Curie individual fellowship (4231.1 SocialJetLag) at NIOZ Royal Netherlands Institute for Sea Research, Department of Coastal Systems (to M. B.), Grant MSMT Kontakt II (LH13278; to M. S.), CIGA (20164209; to M. S.), FCT (SFRH/BPD/91527/2012; to J. A. A.), RANNIS (130412-051; to J. A. A.) and French Polar Institute IPEV Program 1036 (to O.G.).
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cited reference count 40
times cited 1
total times cited count (wos, bci, and cscd) 1
publisher NATURE PUBLISHING GROUP
publisher city LONDON
publisher address MACMILLAN BUILDING, 4 CRINAN ST, LONDON N1 9XW, ENGLAND
issn 2045-2322
29-character source abbreviation SCI REP-UK
iso source abbreviation Sci Rep
publication date OCT 16
year published 2017
volume 7
article number 12851
digital object identifier (doi) 10.1038/s41598-017-13005-y
subject category 9
document delivery number Multidisciplinary Sciences
unique article identifier Science & Technology - Other Topics
link http://dx.doi.org/10.1038/s41598-017-13005-y
CESAM authors