Galapagos finch species, discovered by Darwin, has evolved smaller beaks in the past twenty years due to competition from a new species. The creatures of the Galapagos are under intense scrutiny, which is presumably why Geospiza fortis was caught in the act of evolving.
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Interesting…
FYI, even the most ardent creationists would have no issue with this. This sort of adaption is a far cry from the notion of a worm turning into a cow or a frog into an elephant.