When Beatrix Potter sat down to write The Tale of Squirrel Nutkin, there was never any doubt...Reds on the Run: The Introduction of Grey Squirrels into the UK Has Sent the Native Red Squirrel to the Brink of Extinction. However, the Grey's Ubiquity in British Parks and Gardens Makes It...
Metrioptera roeseliiwas first sighted in Sweden in 1882 near the city of Västerås at the shore of Lake Mälaren. The species was assumed of having been introduced via sea cargo (de Jong and Kindvall1991) which is supported by findings that trace the species origin to northern Germany a...