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
Tsushima Strait without violating Japan's prohibition against nuclear weapons in its territory. Tsushima Strait The strait is the channel to the east and southeast of Tsushima Island, with the Japanese islands of Honshu to the east and northeast, and Kyushu and the Gotō Islands to the south and southeast. It is narrowest south-east of Shimono-shima, the south end of Tsushima Island proper, constricted there by nearby Iki Island, which lies wholly in the strait near the tip of Honshu. South of that point Japan's Inland Sea mingles its waters through the narrow Kanmon Strait between Honshu and Kyushu, with those of the