avifauna Syllabification: (a·vi·fau·na)Pronunciation: /ˌāvəˈfônə, ˌavə-/Definition of avifauna noun the birds of a particular region, habitat, or geological period. Derivatives avifaunal adjective Origin: late 19th century: from Latin avis 'bird' + faunaavifauna in other Oxford dictionaries Definition of avifauna in the British & World English dictionary
