Robert Peters wrote:

>I also don't know what "Gauz" means.

Could it be a dialectal variant of Kauz, a kind of owl with ear tufts
("screech owl", genus Otus)?

I hate to follow up my own posting, but here is a translation, and yes,
it's "Kauz".

  http://www.fh-kehl.de/ssv/Sachsenreferat/saechsisch.htm

-Margaret Mikulska