Geography of Canada Canada's territory as sparsely populated wilderness; Canada's population density is 3.5 people/km (9.1/mi), among the lowest in the world. Despite this, 79.7 percent of Canada's population resides in urban areas, where population densities are increasing. Canada shares with the U.S. the world's longest undefended border at ; are with Alaska. The Danish island dependency of Greenland lies to Canada's northeast, separated from the Canadian Arctic islands by Baffin Bay and Davis Strait. The French islands of Saint-Pierre and Miquelon lie off the southern coast of Newfoundland in the Gulf of St. Lawrence and have a maritime territorial enclave within Canada's
Baffin Island is also a year-round resident of Baffin Island. Unlike the gray wolf in southern climes, Arctic wolves often do not hunt in packs, although a male-female pair may hunt together. In the water (or under the ice) the year-round visitors are mainly the ringed seal. The ringed seal lives off-shore within of land. During the winter, it makes a number of breathing holes through ice up to thick by visiting each one often, and keeping the hole open and free from ice. In March, when a female is ready to whelp, she will enlarge one of the breathing holes that