In this article , the authors describe an activity in which students in Savannah, Georgia, use handheld GPS devices to record the sightings of bottlenose dolphins, examine spatial data from five pairs of dolphins in the study, and then form hypotheses about the spatial patterns they observe. In the process, they learn not only about the ecology of bottlenose dolphins but also that scientific research is interdisciplinary and can involve subjects such as math and geography. The activity is geared toward high school biology or environmental science classes but can be modified for other grade levels.