Appropriately named, the seaside sparrow is a salt marsh specialist with 9 recognized subspecies throughout its range along the Eastern and Gulf coasts of North America. One subspecies, the dusky seaside sparrow (A. m. nigrescens), became extinct in 1987 when the last remaining individual in captivity died.
Confidence votes 9.9K. Canada's prairies are huge world suppliers of wheat, canola and other grains. Canada is the world's largest producer of zinc and uranium and a world leader in many other natural resources such as gold, nickel, aluminum and lead. Timber is also a major natural resource.
Although Canada has strengths in the extraction and processing of natural resources, resource industries still depend on other sectors to bring their product to the global market. Therefore, Canada must remain globally competitive in the industries that are related to and support natural resource development.