How big do rats get?

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Most rats weigh in at around two pounds in terms of weight, with the average rat being around half a pound to a pound. Smaller rats tend to fall victim to traps much more frequently than their larger counterparts, but the larger rats aren’t entirely safe. Dogs seem to get their teeth on those more often than not. That’s just two small insights into the natural predators in a rat's world. I bet you thought they didn't have any.



In a 2014 study, it was reported that there were around two million rats in New York City alone, and most of them are around 30 to 40 cm in length. The biggest of them will grown to about two feet, and, back in New York City again, there have even been reports of some rats rarely weighing in lover two feet, and also over three pounds too. Thankfully, this is a very rare case.

There seem to be stories each year, on both sides of the Atlantic, of rats getting bigger and bigger. Some places even refer to these larger rats as “super size rats”, and it seems to be a trend that’s on the rise too. Maybe we’re feeding them more, being more careless with our waste? Perhaps we’re opening our homes to more of them, not taking care of our own bricks and mortar, ensuring all home repairs are done and maintenance is kept up to scratch? One thing is for sure - their population isn’t dwindling. It doesn’t seem to ever dwindle. They just make their way around the world, taking over where humans do, cleaning up our waste and leaving a trail of destruction and disease in their wake.

How big do rats get? It’s not the size of the rat that you should worry about. It's the amount of damage one rat will do to your home, and the disease it can spread too. One rat will mean two rats soon, and then ten rats when the babies come along. Be smart - do your home repairs, and if you find that you have rats already, do something about it. A rat might not be very big, but the problem sure is.

Go back to the Rats in the Attic home page.

If you have any questions or comments, e-mail me at david@attic-rat.com