Many Years in the Future, Humans Have Altered the Environment

Essay

Many years in the future, humans have altered the environment on the Galápagos Islands so much that the only plants left produce very large seeds. As a result, many small-beaked species of Darwin's finches are not able to eat the seeds, and they are in danger of going extinct. You are tasked with trying to save these species through genetic engineering of larger beak size. How would you do it?