Is speciation no accident?

Roger K. Butlin and Tom Tregenza
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Roger K. Butlin: Ecology and Evolution Programme, The University of Leeds
Tom Tregenza: Ecology and Evolution Programme, The University of Leeds

Nature, 1997, vol. 387, issue 6633, 551-552

Abstract: New species arise when populations no longer interbreed successfully. The theory that natural selection might act directly to increase such reproductive isolation is known as reinforcement, and its validity has been debated for many years. But one group has now come up with the strongest evidence yet in favour of reinforcement, by studying divergent populations of the European flycatcher.

Date: 1997
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DOI: 10.1038/42355

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