Why is the goose Juno's sacred animal?

I'm not sure we know. A lot of Roman religion remains obscure, perhaps because the people writing about it back then didn't bother to explain 'obvious' things that 'everybody knew'. read more

Juno Moneta used the geese to warn her loyal worshippers of their danger. As a result of this, the goose might have become a sacred animal to Juno afterwards, to commemorate the night they saved Rome. read more

As a result of this, the goose might have become a sacred animal to Juno afterwards, to commemorate the night they saved Rome. Bear in mind that our main sources for the legend of the Capitoline Geese are from Livy and Plutach, and they were writing three or four centuries later than the events they describe. read more