the five "smallest" languages

http://www.aroundglobe.net/2010/02/5-smallest-languages-of-world.html

I assume we're referring to monoglots, here. I suspect there are a variety of American Indian languages form the smaller tribal groups that are near-dead, or only live on as a second tongue. And Cornish would be an example of the latter in Europe, (and maybe Breton?).