I had this with a rufus ratas, as a child it was a pet, and it would tidy up its cage, which was quite large for a rat. Mainly putting all his foods stuffs in one pile, before going to sleep that night.
Aussie1 said
09:52 PM Jan 9, 2024
Send that mouse to Canberra immediately, maybe it can clean up the mess that mob have got us in !
https://www.bbc.com/news/av/uk-wales-67907306