noun or·nitho·fauna \ȯ(r)¦nithə, ¦ȯ(r)nə(ˌ)thō+\

Definition of ornithofauna

  1. :  the birds of a region or habitat :  avifauna

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Origin and Etymology of ornithofauna

New Latin, from ornith- + fauna

Seen and Heard

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a rounded knoll or a ridge of ice

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