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 American riverotters are characteristically small or are a type species found in riparian zones. The few occurrences of mammals found in the North American river otter's diet include: muskrats ("Ondatra zibethicus"); meadow voles ("Microtus pennsylvanicus"); eastern cottontails ("Sylvilagus floridanus"); and snowshoe hares ("Lepus americanus"). Records of North American otters preying upon North American beavers ("Castor canadensis") vary; it has been reported in the southern boreal forest of Manitoba. Trappers in Alberta, Canada commonly assert North American river otters are major predators of North American beavers. A 1994 river otter study reported findings of beaver remains in 27 of 1,191 scats