Darwin gets credit by default for changes in organisms that should be seen instead as engineered products of foresight.
Taking the facts and arguments presented together, it appears to be clear that no macroevolution is happening in “Darwin’s finches.”
This is by no means an all-or-nothing selection (as the impression is sometimes given). Rather, the alleles are retained.
Scientific data are followed by the myth: “Finch beak morphology observed on the Galápagos Islands was used by Darwin to formulate his theory of evolution.”
In a series of posts starting today, I offer some notes on the question of whether macroevolution is happening on the Galápagos Islands.