Do social factors explain seasonal variation in dawn song characteristics of paired male Cerulean Warblers (<i>Setophaga cerulea</i>)?

MacDonald, Garrett J.; Islam, Kamal

doi:10.1080/09524622.2019.1682671

Cited by 4 publications

(2 citation statements)

References 27 publications

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“…Of these 12 males, we found and re‐recorded 11 during the following non‐breeding season (December 2019–January 2020). Researchers often record birds at or just before dawn (Bolsinger 2000, Dolan et al 2007, MacDonald and Islam 2021) when passerine song typically peaks (Staicer et al 1996, Dabelsteen and Mathevon 2002). We recorded vireos during the morning hours after sunrise for two reasons.…”

Section: Methodsmentioning

confidence: 99%

The relationships of breeding stage to daytime singing behaviour and song perch height in Bermuda white‐eyed vireos Vireo griseus bermudianus

Mejías

Wilson

2023

Journal of Avian Biology

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Bird song is crucial for attracting mates and defending territories, but different types of song or different singing behaviours may be involved in acquiring or maintaining each resource. Furthermore, male songbirds may adjust when and where they sing throughout the breeding season, depending on their breeding stage. However, such relationships remain untested in several avian taxa. Here, we studied male Bermuda white‐eyed vireos Vireo griseus bermudianus, a passerine with two distinct song types (discrete and rambling), to test the mate attraction and territory defence hypotheses. We compare song production and song perch height among different stages of the breeding season and during the non‐breeding season. We show that male vireos produce both song types during the breeding and non‐breeding seasons, suggesting dual roles in mate choice and territorial defence. Song production did not differ significantly between the breeding and non‐breeding seasons, but, within the breeding season, males without nesting duties sang significantly more songs than males with nesting duties. Song perch height was higher during the breeding season versus non‐breeding season, among males without nesting duties compared to males with nesting duties, and when males produced discrete versus rambling songs. Our findings suggest that male vireos increase their conspicuousness to prospecting females by increasing song production and song perch height, and that they sing during the breeding and non‐breeding seasons to defend year‐round territories. Collectively, our study supports the mate attraction and territory defence hypotheses of bird song.

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Section: Methodsmentioning

confidence: 99%

The relationships of breeding stage to daytime singing behaviour and song perch height in Bermuda white‐eyed vireos Vireo griseus bermudianus

Mejías

Wilson

2023

Journal of Avian Biology

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show abstract

“…Of these 12 males, 11 were relocated and recorded during a brief period of the following non-breeding season (December 2019 -January 2020). Researchers often record birds at or just before dawn (Bolsinger 2000, Dolan et al 2007, MacDonald and Islam 2021 when passerine song typically peaks (Staicer et al 1996, Dabelsteen andMathevon 2002). We recorded vireos during the morning hours after sunrise for two reasons.…”

Section: Singing Behaviourmentioning

confidence: 99%

The relationships of breeding stage to daytime singing behaviour and song perch height in Bermuda White-eyed Vireos (Vireo griseus bermudianus)

Mejías

Wilson

2022

Preprint

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Bird song is crucial for attracting mates and defending territories, but different types of song or different singing behaviours may be involved in acquiring or maintaining each resource. Furthermore, male songbirds may adjust when and where they sing throughout the breeding season, depending on their breeding stage. However, such relationships remain untested in several avian taxa. Here, we studied male Bermuda White-eyed Vireos (Vireo griseus bermudianus), a passerine with two distinct song types (discrete and rambling), to test the mate attraction, territory defence, and nesting stage hypotheses. We compare song rate and song perch height among different stages of the breeding season and during the non-breeding season. We show that male vireos produce both song types during the breeding and non-breeding seasons, suggesting dual roles in mate choice and territorial defence. Singing rate did not differ between the two seasons, but, within the breeding season, males without nesting duties had significantly higher song rates than males with nesting duties. Song rate was lowest during the nestling stage, which coincided with the highest rate of nest predation. Song perch height was higher during the breeding season versus non-breeding season, among males without nesting duties compared to males with nesting duties, and when males produced discrete versus rambling songs. Our findings suggest that male vireos increase their conspicuousness to prospecting females by increasing singing rate and song perch height, and that they sing during the breeding and non-breeding seasons to defend year-round territories. Collectively, our study supports the mate attraction and territory defence hypotheses of bird song and suggests that Bermuda White-eyed Vireos adjust their singing rate in response to nest predation risk.

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Effects of temperature and season on birds’ dawn singing behavior in a forest of eastern China

2021

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Do social factors explain seasonal variation in dawn song characteristics of paired male Cerulean Warblers (Setophaga cerulea)?

Cited by 4 publications

References 27 publications

The relationships of breeding stage to daytime singing behaviour and song perch height in Bermuda white‐eyed vireos Vireo griseus bermudianus

The relationships of breeding stage to daytime singing behaviour and song perch height in Bermuda white‐eyed vireos Vireo griseus bermudianus

The relationships of breeding stage to daytime singing behaviour and song perch height in Bermuda White-eyed Vireos (Vireo griseus bermudianus)

Effects of temperature and season on birds’ dawn singing behavior in a forest of eastern China

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