The mighty huntress, how she shakes the earth.

We have pretty much given up the battle and let our cat outdoors during the day, mostly because we have not managed to come up with a way to let the dog in and out, but not the cat. Or rather, we have come up with one way, but it's expensive and time consuming, since it involves swapping out the dog door we currently have for and electronic one which only opens when approached by a collar broadcasting the right frequency. And even with that, we're worried that the cat will learn to slip out whenever the dog goes out and then get stuck outside.

Our compromise is to let her wander around outside during the day, then try our best to keep her inside from early evening to morning. (By getting her and the dog inside and closing the dog door when it begins to get dark, leaving the dog door in while we're up, and then closing her in her bathroom and opening the dog door when we go to bed.) She is not overly pleased with this arrangement (She pretty much objects generally to being confined or held for long periods.) Still, we think it reduces the likelihood of her being eaten by a coyote, minimizes the dog peeing in the house (because she was locked in and couldn't get out) or running away (because she was locked out and couldn't get in), and generally seems like the best compromize we're going to manage.