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Mate-guarding intensity increases with breeding synchrony in the colonial fairy martin, Petrochelidon ariel

Hammers, Martijn; von Engelhardt, Nikolaus; Langmore, Naomi; Komdeur, Jan; Griffith, Simon C.; Magrath, Michael

Description

Extrapair paternity (EPP) is common in many socially monogamous species, influencing patterns of sexual selection and shaping many aspects of reproductive behaviour. However, factors explaining variation in the occurrence of EPP, both within and between populations, remain poorly understood. One ecological factor that has received considerable attention is breeding synchrony, but the proposed mechanisms remain contentious and the findings from the large number of correlational studies have been...[Show more]

dc.contributor.authorHammers, Martijn
dc.contributor.authorvon Engelhardt, Nikolaus
dc.contributor.authorLangmore, Naomi
dc.contributor.authorKomdeur, Jan
dc.contributor.authorGriffith, Simon C.
dc.contributor.authorMagrath, Michael
dc.date.accessioned2015-12-10T22:54:45Z
dc.identifier.issn0003-3472
dc.identifier.urihttp://hdl.handle.net/1885/59780
dc.description.abstractExtrapair paternity (EPP) is common in many socially monogamous species, influencing patterns of sexual selection and shaping many aspects of reproductive behaviour. However, factors explaining variation in the occurrence of EPP, both within and between populations, remain poorly understood. One ecological factor that has received considerable attention is breeding synchrony, but the proposed mechanisms remain contentious and the findings from the large number of correlational studies have been inconsistent. Mate guarding, a behavioural tactic to limit paternity loss, may be fundamental to any relationship between EPP and breeding synchrony. However, few studies have investigated how guarding behaviour varies with breeding synchrony, and the theoretical predictions are unclear. We examined how mate-guarding intensity in the colonial fairy martin varied with changes in breeding synchrony. To eliminate likely confounding effects of individual quality, we measured guarding intensity on multiple days during the fertile period of individual females and related this to daily variation in colony-level breeding synchrony. Similarly, we examined whether extrapair interest in fertile females varied with change in breeding synchrony. Both mate-guarding intensity and extrapair pursuit rate increased sharply several days prior to egg laying, before declining once laying commenced. When we controlled for this effect of female fertility status, guarding intensity increased with breeding synchrony. These novel findings suggest that the risk of paternity loss increases with breeding synchrony, at least among colonial species. Moreover, adjustment of guarding intensity to the risk of paternity loss may explain why most correlational studies do not reveal a relationship between EPP and breeding synchrony.
dc.publisherAcademic Press
dc.sourceAnimal Behaviour
dc.subjectKeywords: extra-pair copulation; fertility; mate guarding; passerine; paternity; reproductive strategy; sexual conflict; sexual selection; sperm competition; synchrony; Petrochelidon ariel breeding synchrony; extrapair copulation; extrapair paternity; fairy martin; mate guarding; Petrochelidon ariel; reproductive strategy; sexual conflict; sperm competition
dc.titleMate-guarding intensity increases with breeding synchrony in the colonial fairy martin, Petrochelidon ariel
dc.typeJournal article
local.description.notesImported from ARIES
local.identifier.citationvolume78
dc.date.issued2009
local.identifier.absfor060201 - Behavioural Ecology
local.identifier.ariespublicationu9511635xPUB507
local.type.statusPublished Version
local.contributor.affiliationHammers, Martijn, University of Groningen
local.contributor.affiliationvon Engelhardt, Nikolaus, College of Medicine, Biology and Environment, ANU
local.contributor.affiliationLangmore, Naomi, College of Medicine, Biology and Environment, ANU
local.contributor.affiliationKomdeur, Jan, University of Groningen
local.contributor.affiliationGriffith, Simon C., Macquarie University
local.contributor.affiliationMagrath, Michael, College of Medicine, Biology and Environment, ANU
local.description.embargo2037-12-31
local.bibliographicCitation.startpage661
local.bibliographicCitation.lastpage669
local.identifier.doi10.1016/j.anbehav.2009.06.013
dc.date.updated2016-02-24T12:06:24Z
local.identifier.scopusID2-s2.0-69249222577
local.identifier.thomsonID000269360400011
CollectionsANU Research Publications

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