Drop a fast-breeding pair of small-beaked finches and a slower-breeding pair of large-beaked finches onto an island full of food seeds.
Drop a fast-breeding pair of small-beaked finches and a slower-breeding pair of large-beaked finches onto an island full of food seeds.
在一个到处都可以找到种子当食物的海岛上，野放两对雀鸟，一对喙嘴很小但是繁殖速率快，另一对喙嘴大、繁殖慢。