The reason? Cats invade other people's property, dig in the garden and leave their excreta.

Dogs, of course are subject to a host of bylaws as well. The owner must insure that his dog does "not bark, howl or disturb anyone," etc. On a pathway, the dog must keep to the right side.

They haven't figured out how to control wild birds yet.

Oh, yes, grass is restricted to six inches (15 cm). One cannot allow grass or plants to grow to the point where they are "unsightly."