Darwins

Science

Making Darwin’s finches sing can help establish connections between environmental changes and the emergence of new species

The beak of Darwin’s intermediate finch can evolve to crush hard seed shells. Credit: Andrew Hendry They say “hindsight is 20/20,” but ecological speciation theory (the theory that new species emerge in response to ecological change) seems to hold true in hindsight. Until now, it has been difficult to prove this experimentally. In a study published in the journal Science,…