Hello and welcome Jenni! I have four indoor cats and Timber, who is a TAG. As others have said, I never leave them alone when Timber is out of his cage. They tend to just look at each other and then move on. However, the cats are nosy and will occasionally poke their heads above the bottom of the cage or the tabletop play stand when he is on it (on a stand) because he's making noise and they want to see what is going on. When this happens, Timber sometimes charges at them and they retreat; other times they just stare at each other and the cat walks off. My cats are totally indoor animals and aren't hunters either. I'm sure that makes a lot of difference. I really hadn't thought about what Judygram said, but it's a good point. While I am away and Timber is in the cage, the cats are free to roam. After two and a half months, I haven't had any bites on the cats' feet, so I'm assuming they don't interact much when I'm gone or manage to evade Timber's beak. The woman I got him from had a cat, so he's used to them. Also, the cage he is in now sits about two feet off the ground, not at floor level. The cats aren't able to jump on top of it, which might be a real problem. My home setup would make it difficult to keep them separate when he is caged, so that is what is working for me. Sorry for rambling on! I'm typing while I think