Sewer rats have been in sewers as long as sewers have been around. They cause millions of dollars every year in damage, spoiling food supplies, chewing on wires, digging holes in siding, lawns and sewer lines just to mention some of the havoc that they can cause you.
But, most people not know that rats care for there sick and weak in their group and have social groups. Rats have excellent memories once they lean a route they won’t forget it. Like how to get to your garbage can or how to get in your house.
Sewer rats make happy sounds when they play, and are very curious animals. They are shy creatures and prefer to run away from a potential threat and not to fight.
Sewer rats are clean animals, spending several hours every day grooming themselves and group members. They are less likely than a cat or a dog to catch and transmit parasites and viruses. Rats can go longer than a camel without water and can swim for a great amount of time, A rats tail help them to balance, communicate and regulate their body temperature.
Sewer rats front teeth grow four to five inches a year they must chew on wood, roots, concrete sewer lines, brick sewer lines, and anything around them that they can.
Norway rats are the most common for sewer pipes, they live all around the world and have a heavy thick body about 8 to 10 inches long and they weigh about 10 to 18 ounces. Their color may vary from grayish brown to a pure gray / blackish gray and reddish brown.
An adult rat can squeeze into a hole as small as a quarter to get into your home, that’s small.
The life of a rat is short, just 18 months, but most die before that, even with a short live a span, a pair of rats can have up to two thousand off spring, baby rats having baby rats in just 18 months. The main food is supplied by people, and the Norway rat will eat anything that is edible from human garbage. They often build their burrows by human trash sources that are nearby, especially cities.