Definitions

1. noun

relating to or consisting of animals

“The faunal diversity of the Amazon rainforest is remarkable.”

2. adjective

of or relating to the animals of a particular region or period

“The faunal composition of the early Jurassic period is still a topic of debate among paleontologists.”

3. noun

the animals of a particular region or period

“The fauna of the island are home to many unique species.”