Thousand Islands the late 19th and early 20th century as part of the St. Lawrence Reservation, and were among New York's earliest land acquisitions for the purpose of preservation and recreational development. Among the larger parks are Wellesley Island State Park, which includes the largest camping complex in the region, and Robert Moses State Park. Passenger air service to the Thousand Islands region is available in both Ontario and New York. Watertown International Airport (ART) in Watertown, New York has daily service on American Airlines connecting through Philadelphia (PHL). Norman Rogers Airport (YGK) in Kingston, Ontario offers daily service on Air Canada
North American river otter leaves, grass, moss, bark, and hair. Den sites include burrows dug by woodchucks ("Marmota monax"), red foxes ("Vulpes vulpes"), nutria ("Myocastor coypus"), or beaver and muskrat lodges. North American river otters also may use hollow trees or logs, undercut banks, rock formations, backwater sloughs, and flood debris. The use of den and resting sites is chiefly opportunistic, although locations that provide protection and seclusion are preferred. Aquatic life ties North American river otters almost exclusively to permanent watersheds. The North American river otters favor bog lakes with banked shores containing semiaquatic mammal burrows and lakes with beaver lodges. The North