The cats only use the basement box when humans are in the basement. We even had another box on the main floor, but they didn't use it that frequently. They essentially use the box with the best location in the house.
There don't seem to be any problems with this behavior yet ... but we're...
Our two cats have developed an odd behavior -- one stands intently watching the other while they use the litter box. We aren't seeing litter box misses or other accidents ... but both cats like to investigate what the other is doing.
We have 4 year old sisters that we adopted from a shelter a...
