The process of speciation is completed with the cessation of genetic exchange.
More Quotes from Peter R. Grant:
Males transmit signals in courtship through behavioral displays.Peter R. Grant
To summarize, the particular song a male sings, and the behavioral responses of females to song and morphological signals, are not genetically inherited in a fixed manner but are determined by learning early in life.
Peter R. Grant
Species can be recognized by their morphological characteristics and songs.
Peter R. Grant
Evidence of epistasis from hybridization studies is more scarce.
Peter R. Grant
Closely related species of birds are also chromosomally similar.
Peter R. Grant
Thus mating of females was strictly along the lines of paternal song.
Peter R. Grant
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