• Publications
  • Influence
A model for the evolution of despotic versus egalitarian societies
Abstract I present an optimization model that defines some conditions under which group-living and cooperating individuals interact in a despotic versus and egalitarian manner. The model assumes thatExpand
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Is song–type matching a conventional signal of aggressive intentions?
  • S. Vehrencamp
  • Psychology
  • Proceedings of the Royal Society of London…
  • 7 August 2001
Song–type matching is a singing strategy found in some oscine songbirds with repertoires of song types and at least partial sharing of song types between males. Males reply to the song of a rivalExpand
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Vocal performance influences male receiver response in the banded wren
In a variety of songbirds the production of trilled song elements is constrained by a performance tradeoff between how fast a bird can repeat trill units (trill rate) and the range of frequenciesExpand
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Mate choice in lekking sage grouse revisited: the roles of vocal display
In lekking sage grouse (Centrocercus urophasianus), females exhibit relatively unanimous mate choice for particular males, but a satisfactory explanation for this unanimity has been elusive. WeExpand
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The energetic cost of display in male sage grouse
The energetic expenditure of displaying male sage grouse, Centrocercus urophasianus, was measured for 18 individuals in the field using the doubly labelled water technique. Daily energy expenditureExpand
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Syllable type consistency is related to age, social status and reproductive success in the tropical mockingbird
Many animals repeat standardized displays multiple times while attracting a mate or deterring a rival. In such contexts it is possible that the ability to perform each display or signal type in aExpand
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Optimal Degree of Skew in Cooperative Societies
Synopsis. An optimization model is employed to determine the outcome of within-group conflict in cooperative societies. The model assumes that selection acts simultaneously on the stronger, dominantExpand
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Integrating perspectives on vocal performance and consistency
SUMMARY Recent experiments in divergent fields of birdsong have revealed that vocal performance is important for reproductive success and under active control by distinct neural circuits. VocalExpand
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Abstract The extent and spatial pattern of song-type sharing among neighboring males in one subspecies of Song Sparrow, Melospiza melodia cooperi, were examined in two San Diego County populations.Expand
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How reliable are the methods for estimating repertoire size?
Quantifying signal repertoire size is a critical first step towards understanding the evolution of signal complexity. However, counting signal types can be so complicated and time consuming whenExpand
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