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 analyzed. However, many other studies did not report any findings of North American beaver remains in the scat sampled. The North American river otter has few natural predators when in water. Aquatic predators include the American alligator ("Alligator mississippiensis"), American crocodile ("Crocodylus acutus"), and killer whale ("Orcinus orca"), none of which commonly coexist with the North American river otter and thus rarely pose a threat. On land or ice, the North American river otter is considerably more vulnerable. Terrestrial predators include the bobcat ("Lynx rufus"), mountain lion ("Felis concolor"), coyote ("Canis latrans"), domestic dog ("Canis lupus familiaris"), wolf ("Canis lupus"),