IPA: /ˌævɪˈfɔːnə/
KK: /ˈævɪˌfɔːnə/
The birds that live in a particular area or time, including all the different types of birds found there.
The avifauna of the Amazon rainforest is incredibly diverse, with many species that are not found anywhere else in the world.
Avifauna is formed from "avis" (meaning bird) and "fauna" (from Latin "fauna", meaning the goddess of animals or the animal life of a particular region). The word refers to the bird life of a specific area or environment.
Think of 'avis' meaning bird, and 'fauna' relating to animal life. This helps you remember that 'avifauna' refers to the birds in a particular region.
No commonly confused words.