Journal ArticleDOI
Evolutionary divergence in acoustic signals: causes and consequences
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TLDR
A conceptual framework for testing the relative significance of both adaptive and neutral mechanisms leading to acoustic divergence is summarized, predictions for cases where these processes lead to speciation are predicted, and how their relative importance plays out over evolutionary time are summarized.Abstract:
Acoustic signals mediate mate choice, resource defense, and species recognition in a broad range of taxa. It has been proposed, therefore, that divergence in acoustic signals plays a key role in speciation. Nonetheless, the processes driving divergence of acoustic traits and their consequences in terms of speciation are poorly understood. A review of empirical and comparative studies reveals strong support for a role of sexual selection in acoustic divergence, but the possible concomitant influences of ecological context are rarely examined. We summarize a conceptual framework for testing the relative significance of both adaptive and neutral mechanisms leading to acoustic divergence, predictions for cases where these processes lead to speciation, and how their relative importance plays out over evolutionary time.read more
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Un llamado a 528 voces: Oportunidades de investigación con los sonidos de los mamíferos colombianos
TL;DR: In this paper, the authors explore the representativeness of mammals in the IAvH-CSA, and to promote the use of this collection within Colombian mammalogists.
Call characteristics of high-double trill leopard seal (Hydrurga leptonyx) vocalizations from three Antarctic locations
Cornelia M. Kreiss,Olaf Boebel,Horst Bornemann,Lars Kindermann,Holger Klinck,Karolin Klinck,Joachim Plötz,Tracey L. Rogers,Ilse van Opzeeland +8 more
TL;DR: In this paper, the acoustic characteristics of leopard seal high double trills (HDT) differed among three Antarctic locations (DI Drescher Inlet (72°52' S, 19°26' W), AB Atka Bay (70°31’ S, 8°13' W) and DS Davis Sea (65° S, 90° E).
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The vocal repertoire of an African colobine, Colobus angolensis ruwenzorii: a multi-level society compared to congeners in stable groups
TL;DR: These findings support the view that these primates’ vocalizations tend to be relatively conserved despite large differences in social organization, and support the social complexity hypothesis for communication.
Journal ArticleDOI
Testing drivers of acoustic divergence in cicadas (Cicadidae: Tettigettalna)
Raquel C. Mendes,Vera L. Nunes,Eduardo Marabuto,Gonçalo da Costa,Sara E. Silva,Octávio S. Paulo,Paula Cristina Freire Pinto Simões +6 more
TL;DR: In this paper , the authors used a phylogenetic approach to the evolution of acoustic signals in the cicada genus Tettigettalna, investigating the relationship between acoustic traits and body size, climate and micro-/macro-habitat usage.
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Association between Acoustic Signals and Body Color Dimorphism in a Katydid Gampsocleis sedakovii obscura (Orthoptera: Tettigoniidae)
TL;DR: It is revealed that the acoustic variation with body color dimorphism could provide evidence for insect acoustic signal divergence and the process of subspeciation, even speciation.
References
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Journal ArticleDOI
Signals, signal conditions, and the direction of evolution
TL;DR: Sensory systems, signals, signaling behavior, and habitat choice are evolutionarily coupled and should coevolve in predictable directions, determined by environmental biophysics, neurobiology, and the genetics of the suites of traits.
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Sexual selection, social competition, and speciation
TL;DR: Patterns of variation in socially selected characters demonstrate the wisdom of Darwin's distinction between natural and sexual selection, and the applicability of sexual selection theory to social competition in general.
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Ecological Sources of Selection on Avian Sounds
TL;DR: In this article, sound propagation tests were made in forest, edge, and grassland habitats in Panama to quantify pure tone and random noise band sound transmission levels, and the sounds of birds in each habitat were analyzed to determine the emphasized frequency, frequency range, and sound type (whether pure tonelike or highly modulated).
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Evidence for Ecological Speciation and Its Alternative
TL;DR: Tests of parallel evolution of reproductive isolation, trait-based assortative mating, and reproductive isolation by active selection have demonstrated that ecological speciation is a common means by which new species arise.
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Public information: from nosy neighbors to cultural evolution.
TL;DR: A large body of evidence suggests that human decision-making is strongly influenced by the behavior of others, which may then affect biological evolution.