A comparison of sound propagation and song frequency in temperate marsh and grassland habitats

Cosens, Susan E.; Falls, J. Bruce

doi:10.1007/bf00292970

Cited by 75 publications

(39 citation statements)

References 19 publications

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“…In an open habitat, one would not expect much restriction in the mode of communication: as long as the vocal communicatory characteristics are adequate for efficient communication, the sparrowweavers survive and reproduce in open habitat, even though a better-developed visual signalling system could be advantageous. Evidence for maximal broadcast distance (Cosens & Falls 1984) could not be found in Whitebrowed Sparrowweavers.…”

Section: If Sparrowweavers Evolved In An Open Habitatmentioning

confidence: 74%

Comparison of Communication and Signalling Patterns of Whitebrowed Sparrowweavers and Other Gregarious Ploceid Weavers

Ferguson

1988

Ostrich

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Section: If Sparrowweavers Evolved In An Open Habitatmentioning

confidence: 74%

Comparison of Communication and Signalling Patterns of Whitebrowed Sparrowweavers and Other Gregarious Ploceid Weavers

Ferguson

1988

Ostrich

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“…EA is generally not linear with distance (COSENS and FALLS 1984;WILEY and RICHARDS 1978), and therefore cannot be treated as an absolute measure of attenuation. Reasons for this are not clear.…”

Section: Discussionmentioning

confidence: 99%

Structure and Use of Song in the Yellow‐headed Blackbird (Xanthocephalus xanthocephalus)

Cosens

Falls

1984

Zeitschrift für Tierpsychologie

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and Summary Analysis of yellow‐headed blackbird songs indicated that accenting and buzzing songs differed in note structure, energy distribution, and loudness. Buzzing songs showed a shift in energy distribution as a result of propagation through marsh habitat whereas accenting songs did not. Results suggest that accenting songs should propagate further in marsh habitat than buzzing songs. Two experiments, done to test whether song types differed in functional distance, showed that the presence of a male song of either type, or a male or female model on their territories increased use of buzzing songs by males. In the absence of auditory or visual stimulation, males used mainly accenting songs. Results supported the hypothesis that buzzing songs are used primarily for short‐range interactions whereas accenting songs are used primarily for long‐range general advertising.

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“…Propagation effects of vegetation on song transmission and the phenomenon of habitatdependent song variation have been reported especially for forest habitat (Slabbekoorn 2004;Ey and Fischer 2009), but also reed stalks are known to filter selectively and provide better propagation conditions for low than for high song frequencies (Cosens and Falls 1984). An important fact may be that the warble is sung in flight and may be largely free of excess attenuation, but that the trill is predominantly sung perched and may have a transmission pathway to potential receivers through dense vegetation.…”

Section: Song Variation and Climatementioning

confidence: 99%

Distinct song parts of the endemic marsh grassbird of China vary with latitude and climate among migratory and sedentary populations

et al. 2017

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Birdsong can act as a premating barrier to gene flow through its role in mate attraction and territorial defence. The link between geographic variation in song structure and ecological factors is key to the process of acoustically guided population divergence and isolation. Migratory behaviour is an example of such an ecological factor. In this study, we asked whether latitude and climate can explain song variation among migratory and sedentary populations of the marsh grassbird (Locustella pryeri sinensis), a rare songbird endemic of wetlands of eastern and northeastern China. We investigated two structurally different song parts: a repeating trill part followed by a more variable warble part. We found significant variation in acoustic structure and distinct divergence patterns between the two song parts across a latitudinal gradient and strong acoustic correlations with several bioclimatic variables. The trill part showed an increase in maximum frequency with latitude and the warble part became longer with fewer element types towards three higher latitude, migratory populations. These patterns are in line with a dual function of both song parts, increased sexual selection pressure at higher latitude and a complex impact of climate on song through vegetation and weather conditions.

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A comparison of sound propagation and song frequency in temperate marsh and grassland habitats

Cited by 75 publications

References 19 publications

Comparison of Communication and Signalling Patterns of Whitebrowed Sparrowweavers and Other Gregarious Ploceid Weavers

Comparison of Communication and Signalling Patterns of Whitebrowed Sparrowweavers and Other Gregarious Ploceid Weavers

Structure and Use of Song in the Yellow‐headed Blackbird (Xanthocephalus xanthocephalus)

Distinct song parts of the endemic marsh grassbird of China vary with latitude and climate among migratory and sedentary populations

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