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Rats spread leptospirosis, which means rats are the problem. Or does it?

Citizens of Tallinn have reported an unusually high number of rat sightings this year, while the city offers property owners no relief. The capital's public works department said that apartment associations have access to extermination services that do not cost too much. A zoologist suggests betting on prevention instead.

Brown rats, giant hogweed and signal crayfish are all invasive species. That means that they are non-native newcomers. When they displace native species, they can cause great damage. But not every non-native species poses a threat.

It is difficult to believe that herds of Reindeer once roamed the Irish countryside and were native breeding members of our mammal fauna. That was at the end of the last ice age, of course, some 12,000 years ago.  The Reindeer were accompanied by Arctic Foxes, Norwegian Lemmings, and Giant Irish Deer. As the ice melted and the climate improved they all died out and became extinct and were replaced by newcomers like the Irish Hare, Irish Stoat, Brown Bear, Grey Wolf, and possibly Red Deer. It is believed that the new arrivals colonised Ireland from the ice-free southern part of England.

Because he remains in russia, he won't be interviewed despite the speculation that the mueller report will come out soon. jake? >> nina des santos. even when the mueller report comes out, there are other investigations. another dire sign of the escalating and current impact of climate change, a type of small brown rat is now the first mammal known to become instinct because of human induced climate change according to the australian government who says that the demise of the bramble cay melomys is a result of climate change because of rising seas. a presidential committee on climate change b...