Figure 5: Seasonal range shifts for each 2nd-order alliance were calculated as the distance and direction from each alliance’s winter (July–August) range centroid (dots) to their spring/summer (September–November) range centroid (end of line).
From: Male alliance behaviour and mating access varies with habitat in a dolphin social network

Landsat 7 ETM+ imagery of Shark Bay courtesy of the U.S. Geological Survey.