Documenting and collecting images of humpback whale flukes is extremely important in order to help identify individuals in a population. The fluke of an adult humpback whale consists of identifying features on two lobes that are separated by a notch. The unique features of each fluke are functionally analogous to the identifying characteristics of a human fingerprint, perfect for accurately recognising individuals. The fluke may contain scars from predators or collisions with vessels, birthmarks and barnacles; but each fluke has three common identifying characteristics - the trailing edge, the fluke shape and the notch shape. Of these characteristics, the most helpful to researchers is the trailing edge, as it tends to remain constant throughout a humpback’s life. The tracking and geotagging of flukes therefore offers significant insight into the movements of individual humpbacks. The more comprehensive the data, the more compelling the picture.