Denton Nails the Problem with Gal��pagos Finches as an Evolutionary Icon

The problem with Darwin's finches as an evolutionary icon is nailed with admirable compactness by biologist Michael Denton over at The Stream. Writing in honor of today's Darwin Day celebrations, Dr. Denton says:

The Galpagos finches put on display the two strict requirements that must be present in order for natural selection to work its magic. If these two factors are not present, natural selection is impotent to change any creature at all, much less create a new species.

First, the finche...