Thousand Islands Thousand Islands-Frontenac Arch region was designated a World Biosphere Reserve by UNESCO in 2002. The Thousand Islands Bridge connects New York State and Ontario by traversing Wellesley Island at the northernmost point of Interstate 81 in Jefferson County and meets Highway 137, which leads to Highway 401. The waterfront is served by New York State Routes 12 and 37 and by the Thousand Islands Parkway in Ontario. Ontario also has the Waterfront Trail alongside the Parkway for cyclists who wish to see the area in an alternative way. Large freighters frequently ply the Saint Lawrence Seaway, but the area has
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"),