What does Fauna mean in Latin?

Fauna, a proper noun, means “Fauna”.

What is the genitive of Fauna?

The genitive singular is Faunae. Fauna is feminine, first declension.

proper noun · femininefirst declension

Fauna f sg (genitive Faunae)

Fauna, ae, f.,

I. the prophesying sister of Faunus, called also Bona Dea, Macr. S. 1, 12; Lact. 1, 22, 9; Arn. 5, p. 168.

What does Fauna mean in Latin?: Fauna, a proper noun, means “Fauna”.
What is the genitive of Fauna?: The genitive singular is Faunae. Fauna is feminine, first declension.