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 Instances of North American river otters eating small mammals, such as mice and squirrels, and occasionally birds have been reported as well. There have also been some reports of river otters attacking and even drowning dogs. The range of the North American river otter has been significantly reduced by habitat loss, beginning with the European colonization of North America. In some regions, though, their population is controlled to allow the trapping and harvesting of otters for their pelts. North American river otters are very susceptible to the effects of environmental pollution, which is a likely factor in the continued decline