Do you not have Comprehend Languages or something?

[Of course he doesn't, Magnus. Have you ever seen Taako use Comprehend Languages. In the meantime, the mongoose bites his nose and Magnus jerks his head back away from him instinctively, even though it wasn't a hard bite.]

I don't think he likes being the Juice Goose. Is his name just a mongoose noise then?? What noise do mongeese make?