scholarly journals The multifaceted vocal duets of white‐browed sparrow weavers are based on complex duetting rules

2021 ◽  
Vol 52 (9) ◽  
Author(s):  
Alena Lemazina ◽  
Lisa Trost ◽  
Manfred Gahr ◽  
Susanne Hoffmann
Keyword(s):  
Vocal Duets

scholarly journals Six Vocal Duets

1888 ◽  
Vol 29 (541) ◽  
pp. 174
Author(s):  
Wilfred Bendall
Keyword(s):  
Vocal Duets

scholarly journals Vocal Duets (Including Those from His Larger Works)

1890 ◽  
Vol 31 (569) ◽  
pp. 425
Author(s):  
Robert Schumann
Keyword(s):  
Vocal Duets

scholarly journals Deceptive vocal duets and multimodal display in a songbird

2017 ◽  
Vol 284 (1864) ◽  
pp. 20171774 ◽  
Author(s):  
Paweł Ręk ◽  
Robert D. Magrath
Keyword(s):  
Group Living ◽  
Visual Display ◽  
Reliable Information ◽  
Song Type ◽  
Visual Displays ◽  
Visual Component ◽  
Song Types ◽  
Multimodal Signalling ◽  
Australian Magpie ◽  
Vocal Duets

Many group-living animals cooperatively signal to defend resources, but what stops deceptive signalling to competitors about coalition strength? Cooperative-signalling species include mated pairs of birds that sing duets to defend their territory. Individuals of these species sometimes sing ‘pseudo-duets’ by mimicking their partner's contribution, but it is unknown if these songs are deceptive, or why duets are normally reliable. We studied pseudo-duets in Australian magpie-larks, Grallina cyanoleuca , and tested whether multimodal signalling constrains deception. Magpie-larks give antiphonal duets coordinated with a visual display, with each sex typically choosing a different song type within the duet. Individuals produced pseudo-duets almost exclusively during nesting when partners were apart, but the two song types were used in sequence rather than antiphonally. Strikingly, birds hid and gave no visual displays, implying deceptive suppression of information. Acoustic playbacks showed that pseudo-duets provoked the same response from residents as true duets, regardless of whether they were sequential or antiphonal, and stronger response than that to true duets consisting of a single song type. By contrast, experiments with robot models showed that songs accompanied by movements of two birds prompted stronger responses than songs accompanied by movements of one bird, irrespective of the number of song types or singers. We conclude that magpie-larks used deceptive pseudo-duets when partners were apart, and suppressed the visual display to maintain the subterfuge. We suggest that the visual component of many species' duets provides the most reliable information about the number of signallers and may have evolved to maintain honesty in duet communication.

VOCAL DUETS

1973 ◽  
Vol LIV (2) ◽  
pp. 253-b-253
Author(s):  
T. H.
Keyword(s):  
Vocal Duets

scholarly journals Behavioral, morphological, and ecological trait evolution in two clades of New World Sparrows (Aimophila and Peucaea, Passerellidae)

PeerJ ◽  
2020 ◽  
Vol 8 ◽  
pp. e9249
Author(s):  
Carla Cicero ◽  
Nicholas A. Mason ◽  
Lauryn Benedict ◽  
James D. Rising
Keyword(s):  
New World ◽  
Phylogenetic Signal ◽  
Habitat Type ◽  
Trait Evolution ◽  
Behavioral Traits ◽  
Trade Offs ◽  
Complex Song ◽  
Phylogenetic Framework ◽  
Ancestral States ◽  
Vocal Duets

The New World sparrows (Passerellidae) are a large, diverse group of songbirds that vary in morphology, behavior, and ecology. Thus, they are excellent for studying trait evolution in a phylogenetic framework. We examined lability versus conservatism in morphological and behavioral traits in two related clades of sparrows (Aimophila, Peucaea), and assessed whether habitat has played an important role in trait evolution. We first inferred a multi-locus phylogeny which we used to reconstruct ancestral states, and then quantified phylogenetic signal among morphological and behavioral traits in these clades and in New World sparrows more broadly. Behavioral traits have a stronger phylogenetic signal than morphological traits. Specifically, vocal duets and song structure are the most highly conserved traits, and nesting behavior appears to be maintained within clades. Furthermore, we found a strong correlation between open habitat and unpatterned plumage, complex song, and ground nesting. However, even within lineages that share the same habitat type, species vary in nesting, plumage pattern, song complexity, and duetting. Our findings highlight trade-offs between behavior, morphology, and ecology in sparrow diversification.

Vocal Duets

2021 ◽  
pp. 8451-8451
Keyword(s):  
Vocal Duets

scholarly journals Songs of a Summer's Day. (Op. 8.) Four Vocal Duets

1888 ◽  
Vol 29 (543) ◽  
pp. 299
Author(s):  
Frank J. Sawyer
Keyword(s):  
Vocal Duets

Brahms's Vocal Duets and Quartets with Piano: A Guide with Full Texts and Translations

Notes ◽  
1999 ◽  
Vol 56 (1) ◽  
pp. 130
Author(s):  
Richard LeSueur ◽  
Lucien Stark
Keyword(s):  
Vocal Duets

Text and Musical Gesture in Brahms's Vocal Duets and Quartets with Piano

1992 ◽  
Vol 10 (2) ◽  
pp. 231-260 ◽  
Author(s):  
Raphael Atlas
Keyword(s):  
Musical Gesture ◽  
Vocal Duets
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