Evolution in an Urbanizing World
Next to the crucial trade route of the Panama canal sits Panama city, where an intriguing example of urban evolution has taken place. As Panama city has grown from a population of around 200,000 in the 1950’s to a population of around 2 million today, massive urbanization has taken place [1]. Urbanization is dramatically reshaping... Continue Reading →
A comprehensive overview of the effects of urbanisation on sexual selection and sexual traits Andrew D. Cronin, Judith A. H. Smit, Matías I. Muñoz, Armand Poirier, Peter A. Moran, Paul Jerem, and Wouter Halfwerk Abstract Urbanisation can affect mating opportunities and thereby alter inter and intra-sexual selection pressures on sexual traits. Biotic and abiotic urban... Continue Reading →
Age-Related Variability of the Pied Flycatcher (Ficedula hypoleuca) Song in Natural and Urban Environments A. E. Bastrikova, S. I. Gashkov, and N. S. Moskvitina Abstract The age-related variability of the frequency and structural–temporal parameters of the advertising song of Ficedula hypoleuca males in natural habitats and the urban environment were analysed. In the natural habitats, the... Continue Reading →
What is known – and not known – about acoustic communication in an urban soundscape Elizabeth P Derrberry & David Luther Abstract Urban environments have some of the most highly modified soundscapes on the planet, affecting the way many animals communicate using acoustic signals. Communication involves transmission of information via signals, such as bird song, between... Continue Reading →
Given the right conditions, life in the city might just lead to speciation. Wouter Halfwerk digs into the potential for and evidence of urban speciation in his latest paper in Frontiers in Ecology and Evolution. Halfwerk points out that many studies have revealed both genetic and phenotypic divergence in urban populations, but asks are we seeing... Continue Reading →
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