Baffin Island Greenland to Baffin Island for the summer. Migrating at speeds of , they all come up to breathe at the same time, then dive and swim up to before surfacing again. They migrate in large pods consisting of a hundred or more seals, to within of the shoreline, which they then follow, feeding on crustaceans and fish. Walrus, which actually do not migrate far off land in the winter. They merely follow the "fast ice", or ice that is solidly attached to land, and stay ahead of it as the ice hardens further and further out to sea. As winter
Baffin Island to the southern part in winter, even to the Frobisher Bay peninsula, next to Resolution Island and migrate back north in the summer. In 2012, a survey of caribou herds found that the local population was only about 5000, a decrease of as much as 95% from the 1990s. Polar bears can be found all along the coast of Baffin Island, but are most prevalent where the sea ice takes the form of pack ice, where their major food sources — ringed seals (jar seal) and bearded seals — live. Polar bears mate approximately every year with from one to