More and more species are moving northwards into Scotland and to ever higher altitudes, according to scientists. They suspect warmer temperatures has allowed species such as grass snakes and orange tip butterflies to move into new regions. In contrast, a tiny spider and a snail face extinction in the face of higher temperatures. BBC
According to entomologists, several once-rare species of crickets are spreading through England because of global warming, far faster than any other insect. Their chirping mating sound, more associated with the Mediterranean, is being heard further and further north.