I was about to say exactly the same. America (North and South) is a continent. USA is the country. There are preserves like these in America, for example, https

I was about to say exactly the same. America (North and South) is a continent. USA is the country. There are preserves like these in America, for example, https://en.wikipedia.org/wiki/Grasslands_National_Park https://en.wikipedia.org/wiki/Grasslands_National_Park. Not that far from the US border.