avifauna

/ˌeɪvəˈfɔːnə/
noun
  1. The birds of a particular region, habitat, or time period.
    • Scientists study the local avifauna to monitor the health of the ecosystem.
    • The avifauna of the Amazon rainforest includes hundreds of colorful species.
    • The island's avifauna is unique, with many birds found nowhere else on Earth.
Synonyms
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