Rats are a pest because they can multiply quickly also known as breeding.They eat eggs from nest like kiwi or We ta .They take food from the pantry and make it moldy with crumbs everywhere Rats have preditors that are pest to but its mostly feral cats when rats die there full of germs and a lot of disease. which is filthy. They eat whatever they want and just have no care.rats can hurt animals and trees. there close to possums and stoats.most rats like unhealthy places like rubbish piles and dumps with a lot of germs.They have rabies that makes them go crazy! a rat will kill a native animal and just not even care.
City rats are pest to they mess around through rubbish on the streets city rats eat garbage its disgusting!!! they will eat pet or human food they come across.what attracks pest to your home is things like wood piles and leaf piles in your backyard.Rats don't like the smell peppermint.A reason why there pest it is because of health risks that can cause disease that come from rats.Rats take food away from a lot of native species that work hard to find there food.Rats can be pest from there germs that makes human very ill and maybe have a low chance to die.Rats should be extinct