Bachelor and paired male rufous-and-white wrens use different singing strategies

Hennin, Holly L.; Barker, Nicole K. S.; Bradley, David W.; Mennill, Daniel J.

doi:10.1007/s00265-009-0832-4

Cited by 15 publications

(18 citation statements)

References 33 publications

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“…Specifics objectives were 1) to document the breeding behavior and implication of both sexes in parental care; and 2) to determine if song patterns of paired and unpaired males differed and could be used to determine breeding status. We predicted that paired males would sang less often than unpaired males (Hayes et al 1986;Hennin et al 2009) and that the breeding behavior and parental care will be similar to those of other Oporornis species, like the Mourning (Oporornis Philadelphia) and MacGillivray's warblers (Oporornis tolmiei) (Verner et Willson 1969;Pitochelli 1993;Pitochelli 1995) as well as to those of other Connecticut…”

Section: This Research Was Done To Evaluate If This Management Would mentioning

confidence: 99%

“…Song is used for territory protection (Searcy et al 2000;Trillo et Vehrencamp 2005) and mate attraction (Nowicki et al 1998;Gil et Gahr 2002 Hennin et al 2009) unpaired males sing also more than paired males probably because they need to attract females. It's a compromise between singing activities and reproductive behavior.…”

Section: Song Activitymentioning

confidence: 99%

“…For maies, reproductive efforts begin with singing activities to attract mates and defend territories (Gil et Gahr 2002). A singing male is not a guaranty of nesting and once the male is paired, its singing activity may decline Hennin et al 2009). …”

Section: Introductionmentioning

confidence: 99%

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Biologie de la reproduction de la Paruline à gorge grise (Oporornis agilis) dans les pinèdes grises du Lac-Saint-Jean, Canada /

Saulnier¹

2011

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Les analyses ont démontré que les mâles en couple chantent moins que les mâles seuls. Les célibataires ont un patron de chant très régulier en pleine période de reproduction où les autres mâles (en couple) réalisent d'autres tâches en lien avec la nidification. Ceux qui se reproduisent, ont de quatre à cinq oeufs par nid qui sont incubés par la femelle uniquement, et ce pendant 11 jours. Après l'éclosion, les deux parents s'occupent des soins apportés aux jeunes (nourriture, sac fécal, thermorégulation), mais la nuit, il n'y a que la femelle qui les couve. Les jeunes quittent le nid vers huit jours. L'activité principale de la femelle est de couver les jeunes et celle du mâle est de chercher de la nourriture (hors du nid). Cela change pour la femelle à mesure que les jeunes grandissent, elle a moins besoin de réchauffer les jeunes et s'implique plus dans la recherche de nourriture. Les jeunes semblent être en mesure de réguler seul leur température corporelle vers l'âge de sept jours.Les deux adultes visitent le nid à un taux similaire et celui-ci augmente en même temps que les jeunes vieillissent, car ils ont besoin de plus en plus de nourriture. Les mâles retirent beaucoup plus de sacs fécaux que les femelles et le nombre de sacs augmentent avec l'âge des jeunes, puisqu'ils mangent davantage. Les adultes ingurgitent les sacs fécaux surtout lorsque les oisillons sont jeunes et les transportent de plus en plus à mesure qu'ils grandissent.Pour le second sous-objectif, nous avons utilisé des microsatellites créés pour deux autres espèces et qui amplifiaient également avec des oiseaux du genre Oporornis. Cinq loci ont n été utilisé pour déterminer l'affiliation parentale malgré le fait que l'équilibre d'HardyWeinberg n'était pas rencontré (sans doute en raison du faible échantillonnage). Une étude plus approfondie avec davantage d'échantillons et en ciblant d'autres loci permettrait de réaliser plus efficacement l'affiliation parentale. Néanmoins, avec 5 loci et seulement 3 nids testés nos résultats suggèrent que les pères sociaux étaient également les géniteurs. Ce qui signifie qu'aucune copulation extra-couple ayant donnée un jeune n'a été reconnue pour ces nids. Pour ce qui est de la détermination du sexe des individus, nous avons utilisé une technique connue, mais non évaluée sur la Paruline à gorge grise jusqu'à ce jour et démontré que cette méthode fonctionne avec cette espèce. ni REMERCIEMENTS

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Section: This Research Was Done To Evaluate If This Management Would mentioning

confidence: 99%

Section: Song Activitymentioning

confidence: 99%

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Biologie de la reproduction de la Paruline à gorge grise (Oporornis agilis) dans les pinèdes grises du Lac-Saint-Jean, Canada /

Saulnier¹

2011

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“…Comparisons of duet and solo singing behaviour may help to illuminate the functions of duet and solo songs in duetting birds. To date, very few studies have compared duets and solos in duetting species (Hall 2009; but see Hennin et al. 2009).…”

Section: Discussionmentioning

confidence: 99%

“…Although song types are shared between neighbours, each bird's repertoire can be distinguished by subtle differences in frequency and fine-structural details. Both males and females sing solos and duets throughout the pre-breeding and breeding seasons (Topp & Mennill 2008;Hennin et al 2009), and both solos and duets are common during territorial encounters with conspecific individuals (Mennill 2006;Mennill & Vehrencamp 2008). Males and females sing both solos and duets while separated by variable distances, ranging from 0.4 to 144.3 m; a prior investigation demonstrated that birds often approach each other following duets (Mennill & Vehrencamp 2008).…”

Section: Study Species and Study Sitementioning

confidence: 99%

Acoustic Monitoring Reveals Congruent Patterns of Territorial Singing Behaviour in Male and Female Tropical Wrens

Osmun

Mennill

2011

Ethology

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Many animals defend territories against conspecific individuals using acoustic signals. In birds, male vocalizations are known to play a critical role in territory defence. Territorial acoustic signals in females have been poorly studied, perhaps because female song is uncommon in north‐temperate ecosystems. In this study, we compare male vs. female territorial singing behaviour in Neotropical rufous‐and‐white wrens Thryothorus rufalbus, a species where both sexes produce solo songs and often coordinate their songs in vocal duets. We recorded free‐living birds in Costa Rica using an eight‐microphone Acoustic Location System capable of passively triangulating the position of animals based on their vocalizations. We recorded 17 pairs of birds for 2–4 consecutive mornings and calculated the territory of each individual as a 95% fixed kernel estimate around their song posts. We compared territories calculated around male vs. female song posts, including separate analyses of solo vs. duet song posts. These spatial analyses of singing behaviour reveal that males and females use similarly sized territories with more than 60% overlap between breeding partners. Territories calculated based on solo vs. duet song posts were of similar size and similar degrees of overlap. Solos and duets were performed at similar distances from the nest for both sexes. Overall, male and female rufous‐and‐white wrens exhibit very similar spatial territorial singing behaviour, demonstrating congruent patterns of male and female territoriality.

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Female conspecifics restore rhythmic singing behaviour in arrhythmic male zebra finches

Jha

Kumar

2017

J Biosci

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The present study investigated whether pairing with a conspecific female would restore rhythmicity in the singing behaviour of arrhythmic male songbirds. We recorded the singing and, as the circadian response indicator, monitored the activity-rest pattern in male zebra finches (Taeniopygia guttata) housed without or with a conspecific female under 12 h light: 12 h darkness (12L:12D) or constant bright light (LL bright). Both unpaired and paired birds exhibited a significant daily rhythm in the singing and activity behaviour, but paired birds, under 12L:12D, showed a ~2 h extension in the evening. Exposure to LLbright decayed rhythmicity, but the female presence restored rhythmic patterns without affecting the 24 h song output. In the acoustic features, we found a significant difference in the motif duration between unpaired and paired male songs. Overall, these results demonstrated for the first time the role of the female in restoring the circadian phenotype of singing behaviour in male songbirds with disrupted circadian functions, although how interaction between sexes affects the circadian timing of male singing is not understood yet. It is suggested that social cues rendered by a conspecific female could improve the circadian performance by restoring rhythmicity in the biological functions of the cohabiting arrhythmic male partner.

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Bachelor and paired male rufous-and-white wrens use different singing strategies

Cited by 15 publications

References 33 publications

Biologie de la reproduction de la Paruline à gorge grise (Oporornis agilis) dans les pinèdes grises du Lac-Saint-Jean, Canada /

Biologie de la reproduction de la Paruline à gorge grise (Oporornis agilis) dans les pinèdes grises du Lac-Saint-Jean, Canada /

Acoustic Monitoring Reveals Congruent Patterns of Territorial Singing Behaviour in Male and Female Tropical Wrens

Female conspecifics restore rhythmic singing behaviour in arrhythmic male zebra finches

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