"I'm partial to carp myself. Do you eat, as a spirit?" Mothwing knows that StarClan is in an endless greenleaf, with abundant prey for its members to eat, which she thinks is kind of silly. If you're dead, why bother with food at all?

They reach the mossy hollow, and Mothwing purrs with satisfaction when she sees it, immediately starting the work of tearing up strips of moss for bedding.