I have to agree after having 2 black and white killing machines for the best part of 15 yrs. Garden birds, pigeons, Koi Carp, mice, voles, moles and a neighbours domestic rabbit! Nothing was safe. Sorry but there is no way you can just keep a cat in your garden, that is wishful thinking. We will never have another cat. Some are obviously worse than others. If I had a farm and I wanted to keep vermin down there is nothing better.