First Record of Interspecific Breeding of Least Bell's Vireo and White-eyed Vireo

Blundell, Melissa A.; Kus, Barbara E.

doi:10.1676/10-184.1

Cited by 2 publications

(2 citation statements)

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“…Hybridization is commonly reported in some songbird genera, like new-world warblers (Graves 1996, Irwin et al 2009, Toews et al 2018, but not among vireos. The few reported cases usually involve vagrancy (e.g., Blundell andKus 2011, McKee et al 2016). Similarly, Battey and Klicka (2017) reported introgression among vireonids in the Red-eyed Vireo complex, but these levels were low and they proposed that this hybridization reflected historic rather than present-day gene flow.…”

Section: Discussionmentioning

confidence: 99%

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Territorial responses of male Bermuda White‐eyed Vireos (Vireo griseussubsp.bermudianus) reflect phylogenetic similarity of intruders and acoustic similarity of their songs

2021

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For signal divergence to drive speciation, receivers should perceive structural differences in divergent signals; similar-structured signals from closer relatives are expected to elicit stronger responses than dissimilar signals from distant relatives. Two mechanisms can affect receiver responses to passerine song: (1) sympatric song familiarity and (2) an innate auditory template used to assess acoustic similarity. We examined the role of acoustic similarity by comparing behavioral responses of male Bermuda White-eyed Vireos (Vireo griseus bermudianus) to playback of the songs of allopatric species from across the family Vireonidae. Phylogenetic distance between the focal and stimulus species predicted response strength. Males uttered fewer vocalizations, had fewer speaker flyovers, and remained farther from the speaker during playback of the songs of more distantly related vireos. We then tested whether structural similarity of playback songs, as defined by three phylogenetically conserved song traits, explained these relationships. As predicted, males uttered fewer vocalizations, had fewer speaker flyovers, and remained farther from the speaker in response to more dissimilar songs. Collectively, our results suggest that male Bermuda Vireos perceive and respond to interspecies variation in the phylogenetically conserved song traits of allopatric species of vireos. This suggests that song divergence, and the ability to distinguish divergent songs, reinforces reproductive isolation and competitor exclusion.

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Section: Discussionmentioning

confidence: 99%

“…2018), but not among vireos. The few reported cases usually involve vagrancy (e.g., Blundell and Kus 2011, McKee et al. 2016).…”

Section: Discussionmentioning

confidence: 99%

Territorial responses of male Bermuda White‐eyed Vireos (Vireo griseussubsp.bermudianus) reflect phylogenetic similarity of intruders and acoustic similarity of their songs

2021

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Interspecific Pair-Bonding and Hybridization In Warbling (Vireo gilvus) and Red-Eyed (Vireo olivaceus) Vireos

McKee

Yang

Ormsby³

et al. 2016

The Wilson Journal of Ornithology

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First Record of Interspecific Breeding of Least Bell's Vireo and White-eyed Vireo

Cited by 2 publications

References 5 publications

Territorial responses of male Bermuda White‐eyed Vireos (Vireo griseussubsp.bermudianus) reflect phylogenetic similarity of intruders and acoustic similarity of their songs

Territorial responses of male Bermuda White‐eyed Vireos (Vireo griseussubsp.bermudianus) reflect phylogenetic similarity of intruders and acoustic similarity of their songs

Interspecific Pair-Bonding and Hybridization In Warbling (Vireo gilvus) and Red-Eyed (Vireo olivaceus) Vireos

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