My adult daughter lives in the upstairs of my house and has a young cat. The cat primarily lives upstairs but comes down occassionally to visit. The last two visits downstairs she snuck into where the turt/torts are kept and got into my redfoots enclosure. Both times she peed in it. She doesn't bother the tortoise, she just pees in there. Now normally that wouldn't make me wonder as they usually like to use enclosures as litterboxes because of the dirt. But the thing is, my redfoot was treated for parasites a few weeks ago and has been on flat newspaper sheets the last few weeks. Why would the cat want to pee in there when there is no diggable substrate?