Rats have strong teeth that allow them to chew through glass, cinderblock, wire, aluminum and lead, it’s almost impossible to proof your home from them. Now, National Geographic has shown how a rat can easily slip into grates and manhole covers, leading them through sewage into the residential pipes of homes. Then the rat easily navigates through the u-bend of the toilet. This video shows how they navigate through the tightly fitted, maze like toilet pipes. If the rodent can fit its head through a space, then the rest of its body will follow. Rats are also expert swimmers, paddling with their back legs, while their front feet steer. They can swim in water for up to three days straight and also hold their breath for three minutes.
