Edwin is studying a population of rabbits in the neighborhood that surrounds his home. He observes a variety of fur colors among the rabbits, including gray, white, and brown. The rabbit fur also has a variety of markings, including spots and bands. Edwin argues that natural selection will occur on the rabbit population. It will result in a change in the distribution of fur colors and markings.
1. Which observation would provide the STRONGEST evidence in support of Edwin's argument?