Multiple choice general knowledge Meaning of "Avifauna"? Fish of a region Birdlife of a region Mammals of a region Insects of a region Reveal answer Fill a bubble to check yourself B Correct answer Explanation Avifauna refers to the birds of a particular region, habitat, or geological period. 'Avi-' comes from 'avis' (Latin for bird) and 'fauna' refers to animal life. Option B is correct.