Will This Year Be the End of Their Relationship?

Dr. Bull was interested in studying the different species of ticks that lived on shingleback lizards. After several years and thousands of lizard measurements, Dr. Bull noticed something interesting. He noticed that each year in the springtime, the same male and female shingle back lizards would somehow find each other and pair up. This happened year after year, with lizard pair after lizard pair, including our very own sunny and Ned.