Thousand Islands National Park area to defend the British from American invasion. Inside the park, Cedar Island, a small island visible from downtown Kingston, Ontario, is the site of a Martello tower named Cathcart Tower. The park was established in 1904, the first Canadian national park east of the Rocky Mountains. It was called "St. Lawrence Islands National Park" until 2013, when it was renamed to "Thousand Islands National Park" to reflect the natural area in the name. In 1997, the park was named one of the national parks with the highest levels of ecological impairment. Animals that inhabit this national park are coyotes,
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