[WellyP]

Brown rat - Wikipedia, the free encyclopedia
en.wikipedia.org/wiki/Brown_rat - CachedSimilar
In New York City there is great debate over the size of the rat population with estimates from almost 100 million rats to as few as 250000. ...

[JohnG45]

In New York City there is great debate over the size of the rat population with estimates from almost 100 million rats to as few as 250000. ...

Well, if there are only as few as 250000, then they all are at my place!