We have 6 indoor/outdoor cats. They are normally outside from about 7am to 10pm. They have 10 acres, which has us, and our three neighbors on it. They also have about another 10-20 acres on our other neighbors farm. No one traps after and incident where our outdoor cat got caught and had to have her foot amputated. Our on cat Oscar, has been missing. He was not seen by us all day yesterday (but we really were not looking for him), and did not come in last night. Our other cat, Teddy, frequently stays out at night and we never worry about him. Oscar is just, different. He has done this once before, about 2 months ago and was gone for 2 days. It freaked me out so much, he was on house arrest for a week. I'm just wondering when I should really start to worry. There are no predators that I have seen other than Possums and Raccoons (lived here 20 yrs and have game cameras set up). We have never lost an animal to any predator, and we keep an unlimited supple of cat food to allow them to eat, but not have to worry about the chickens and cats. I'm just thinking he took off into the woods and just decided not to come home last night, and cannot hear us calling him. I'm just needing some reassurance.