I believe the reason for this would be geographical evolution. Different ecosystems cause the finches to evolve differently over time. Also, since the finches on the Galápagos Islands are closer to the one in South America, it is likely that finches from there (South America) could have moved to the islands, contributing to the evolutionary process.
C. Communism means everything’s equal unlike fascism
They were inexpensive and readily available to large numbers of people
I'm notoriously concerned of your intentions of this website- what do you want with this information?
