[Mayuko crosses her legs and begins to sketch something like this. Yes, including the book.]

Hmm, let's see... they're small creatures. They stand upright, but they tend to flutter along on little bat wings. They tend to have white fur, and a big pom-pom at the end of an antenna. Some of them wear clothes, like a hat or bandana, to help the humans around distinguish between them.

[She taps her lips with the pencil. There was something else....]

Oh, they liked eating a certain type of nut! Although they probably ate other things as well.