Do you believe that different types of finches could ever serve on an island in the real world?

Yes, different types of finches can serve on an island in the real world, as demonstrated by the Galápagos finches. These birds evolved distinct adaptations to their environments, such as variations in beak size and shape that allow them to exploit different food sources. This adaptive radiation showcases how species can diversify and fill various ecological niches in isolated environments like islands. Such processes are ongoing in nature, influenced by factors like competition, habitat availability, and environmental changes.