Back in Jan. 2011, Dr. Larry Ammann, a professor at UT Dallas, saw something in his back yard. At his bird feeder, he saw what appeared to be a female cardinal. Then, when she turned around, Ammann saw that the other half of the bird was colored like a male cardinal. Female cardinals typically have a brown coloring, and the males are red.
Being a professor, Ammann did his research and figured out why the bird appeared to be half male, half female. It turns out that the bird was a bilateral gynandromorph, which is an animal that has both male and female characteristics, usually split down…