The The Voyageurs Wolf Project is a collaboration between the University of Minnesota and Voyageurs National Park which tracks and studies wolves throughout the warmer months. In 2018, the project studied six northern Minnesota packs, creating a map that showcases the intensely territorial way the animals behave, and how tightly they stick to their packs. The brightly colored line drawings were composed from 68,000 GPS locations of the six packs, with negligible crossover between the data-driven formations.[…]

Source: GPS Map Composed of 68,000 Pinpoints Tracks the Territorial Nature of Minnesota Wolves