The Grants studied changing beak shapes in the medium ground finch on which island?

1. Their work is one of the best documented cases of selection acting in real time. 2. The Grants found changes from one generation to the next in the distribution of beak shapes. 3. The species was the medium ground finch on the Galapagos island of Daphne Major. 4. The changes tracked the kinds of seed available in each year. _Source: OpenStax Biology for AP(R) Courses (CC BY 4.0), Ch 18 'Evolution and the Origin of Species', sections 18.1-18.3_