What differences did Darwin find about the two species? A. One is fast, while the other is slow. B. One has a long snout, while the other has a short snout. C. One lives inland, while the other lives in the water. D. One eats plants, while the other eats meat.
B. One had a long snout, one had a short snout. He is referring to his work on evolution, and his studies on bird beaks and their corresponding habitats.