[Freddy]

Dropping this in because we have often mentioned evolution and usually we assume it takes thousands or millions of years. Here's to show otherwise...

Regular riders of the London Underground may bemoan the iconic and occasionally fierce tube mice. But there is another, smaller animal living in the Underground that is perhaps even more at home in the subterranean network – since it actually evolved in the unique conditions of the tube environment.

Full Article here : http://www.bbc.com/earth/story/20160323-the-unique-mosquito-that-lives-in-the-london-underground