One, because cats are historically outdoors creatures, and that's their natural environment. And also wouldn't you want to let a cute, cuddly friend be able to go out side and have fun? If you don't let them out they will scratch our stuff, hide it and even break it. And oh yes they will pee and poo inside and I know you will not like to cleaning up after it.
The last idea of all is, cats need freedom and I mean really have freedom. I mean that it's not fair that dogs have freedom like getting walks ( except RagDoll cats they go on walks) so it's certain that cats should be able to go out side even if they do eat native birds. One last thing you can help native birds by putting collars with bells so that when's cats run to get them they can hear the bell so they can fly away.



