Parallel evolutionary forces influence the evolution of male and female songs in a tropical songbird
| Autor: | Ryan P. Walter, Melissa M. Mark, Daniel J. Mennill, Daniel D. Heath, Brendan A. Graham |
|---|---|
| Rok vydání: | 2018 |
| Předmět: |
Male
0106 biological sciences 0301 basic medicine Population Marine Biology Biology geographic variation behavioral disciplines and activities 010603 evolutionary biology 01 natural sciences cultural drift Songbirds 03 medical and health sciences Sex Factors Genetic drift Geographical distance otorhinolaryngologic diseases Animals education Biochemistry Biophysics and Structural Biology Ecology Evolution Behavior and Systematics Tropical Climate education.field_of_study Life Sciences Central America Biodiversity biology.organism_classification Biological Evolution Attraction Songbird Genetic divergence 030104 developmental biology Genetic distance Evolutionary biology female song Female genetic drift sense organs acoustic adaptation Vocalization Animal Adaptation Animal Distribution psychological phenomena and processes |
| Zdroj: | Great Lakes Institute for Environmental Research Publications |
| ISSN: | 1010-061X |
| DOI: | 10.1111/jeb.13279 |
| Popis: | Given the important role that animal vocalizations play in mate attraction and resource defence, acoustic signals are expected to play a significant role in speciation. Most studies, however, have focused on the acoustic traits of male animals living in the temperate zone. In contrast to temperate environments, in the tropics, it is commonplace for both sexes to produce complex acoustic signals. Therefore, tropical birds offer the opportunity to compare the sexes and provide a more comprehensive understanding of the evolution of animal signals. In this study, we quantified patterns of acoustic variation in Rufous-and-white Wrens (Thryophilus rufalbus) from five populations in Central America. We quantified similarities and differences between male and female songs by comparing the role that acoustic adaptation, cultural isolation and neutral genetic divergence have played in shaping acoustic divergence. We found that males and females showed considerable acoustic variation across populations, although females exhibited greater population divergence than males. Redundancy analysis and partial-redundancy analysis revealed significant relationships between acoustic variation and ecological variables, genetic distance, and geographic distance. Both ambient background noise and geographic distance explained a high proportion of variance for both males and females, suggesting that both acoustic adaptation and cultural isolation influence song. Overall, our results indicate that parallel evolutionary forces act on male and female acoustic signals and highlight the important role that cultural drift and selection play in the evolution of both male and female songs. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
|
Plný text