See also this recent Economist article [1] on a new species, the coywolf, found in North America and their comments on the difficulty of deciding if it is, in f

See also this recent Economist article [1] on a new species, the coywolf, found in North America and their comments on the difficulty of deciding if it is, in fact, a new species. And associated HN discussion [2]. [1] http://www.economist.com/news/science-and-technology/21677188-it-rare-new-animal-species-emerge-front-scientists-eyes http://www.economist.com/news/science-and-technology/2167718... [2] https://news.ycombinator.com/item?id=10475739 https://news.ycombinator.com/item?id=10475739