[an odd look.] How do you plan to send messages to others ...

well, if you ever need to borrow one, the owlery can loan you a few owls.

[of course, it's a bit of a hike to go up there, since it's a tower on its own, and tsukki mutters,] It's because Hogwarts keeps animals like these that I worry about the cat. Owls can be quite vicious, you know.