Extinction threat to Darwin’s finches?

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A parasitic fly, which probably arrived to the Galápagos Islands about 50 years ago, and which attacks young birds in their nests, might lead to the extinction of some species of the finches which are so core to Darwin’s theory of evolution by Natural Selection.

http://www.bbc.com/news/science-environment-35114681

The interest of this research goes further than the threat of extinction to some of the possibly 18 species. The research is a result of mathematical modelling of population viability in the face of the threat of the fly larvae – a fascinating combination of maths and biology/ecology.

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