Vocal negotiation over parental care? Acoustic communication at the nest predicts partners' incubation share

Boucaud, Ingrid C A, Mariette, Mylene, Villain, Avelyne S and Vignal, Clementine 2016, Vocal negotiation over parental care? Acoustic communication at the nest predicts partners' incubation share, Biological journal of the linnean society, vol. 117, no. 2, pp. 322-336, doi: 10.1111/bij.12705.

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Title Vocal negotiation over parental care? Acoustic communication at the nest predicts partners' incubation share
Author(s) Boucaud, Ingrid C A
Mariette, MyleneORCID iD for Mariette, Mylene orcid.org/0000-0003-0567-4111
Villain, Avelyne S
Vignal, Clementine
Journal name Biological journal of the linnean society
Volume number 117
Issue number 2
Start page 322
End page 336
Total pages 15
Publisher The Linnean Society of London
Place of publication London, Eng.
Publication date 2016-02-01
ISSN 0024-4066
1095-8312
Keyword(s) coordination
duet
monogamy
negotiation
pair bond
zebra finch
Summary In species with biparental care, individuals adjust their workload to that of their partner to either compensate or match its investment. Communication within a pair might be crucial for achieving this adjustment. Zebra finches, Taeniopygia guttata, form life-long monogamous pair bonds, in which partners are highly coordinated and both incubate the eggs. When relieving each other during incubation, partners perform a structured call duet at the nest. If this duet functions to coordinate incubation workload, disrupting the pair's usual nest-relief pattern by delaying the male's return to the nest should affect the structure of the duet. Using domesticated birds breeding in a large aviary, we found that delaying the male's return induced shorter duets with higher call rates. In addition, we tracked the location of individuals with a transponder at the nest and the feeder, and showed that these accelerated duets were associated with an increased haste of the partners to take turns incubating and foraging. Females also spent less time incubating during their subsequent shift, and females' time off-nest was best predicted by their mate's calling behaviour in the previous duet. Taken together, these results suggest that duets may function as 'vocal negotiation' over parental care.
Language eng
DOI 10.1111/bij.12705
Field of Research 060801 Animal Behaviour
Socio Economic Objective 970106 Expanding Knowledge in the Biological Sciences
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2016, The Linnean Society of London
Persistent URL http://hdl.handle.net/10536/DRO/DU:30082281

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