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Woodpeckers found on the South American mainland are able to peck insects from the bark of trees. Would the woodpecker finch have been able to survive if woodpeckers had found their way to the Galapagos Islands where this finch is found?

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closed as primarily opinion-based by terdon, von Mises, Atl LED, Amory, Rory M Oct 9 '13 at 13:18

Many good questions generate some degree of opinion based on expert experience, but answers to this question will tend to be almost entirely based on opinions, rather than facts, references, or specific expertise.If this question can be reworded to fit the rules in the help center, please edit the question.

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Dunno, depends on who eats more. Perhaps both would have diversified into different species or one of the two would have gone extinct, or both or whatever. We have no way of knowing what would have happened. –  terdon Oct 8 '13 at 15:21
    
While this is an interesting question, I think it's too hypothetical for the SO format of questions and answers. Invasive species can and do happen, even without human intervention, but it would be entirely speculative to try and model how a habitat invasion would play out here. –  Atl LED Oct 8 '13 at 20:38

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