/ˌævɪfˈjuːnə/ AV-ih-FYOO-nuh

Definitions

1. noun

the birds of a particular region or time period

“The study of the avifauna of the Amazon rainforest revealed a vast array of species.”

2. noun

the collective group of birds in a particular area

“The avifauna of the forest was a treasure trove of exotic birds.”