
1) Audubon Society array 2) Birds of a given region 3) Birds of a region 4) Fauna 5) Flyers of a region 6) Ornis
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https://www.crosswordclues.com/clue/avifauna

1) Birds 2) Ornis
Found on
https://www.crosswordclues.com/clue/avifauna

• (n.) The birds, or all the kinds of birds, inhabiting a region.
Found on
http://thinkexist.com/dictionary/meaning/avifauna/
A`vi·fau'na noun [ New Latin , from Latin
avis bird + English
fauna .]
(Zoology) The birds, or all the kinds of birds, inhabiting a region.
Found on
http://www.encyclo.co.uk/webster/A/152

Avifauna is a collective term for the birds of any region.
Found on
http://www.probertencyclopaedia.com/browse/BAA.HTM

[
n] - the birds of a particular region or period
Found on
http://www.webdictionary.co.uk/definition.php?query=avifauna

avifauna (s), avifaunae (pl) All the birds present in a region, an area, an environment, or a period of time.
Found on
http://www.wordinfo.info/words/index/info/view_unit/802/

The set of bird species living in a region.
Found on
https://academy.allaboutbirds.org/bird-academys-a-to-z-glossary-of-bird-ter
noun the birds of a particular region or period
Found on
https://www.encyclo.co.uk/local/20974

the birds of a given region, considered as a whole.
Found on
https://www.infoplease.com/dictionary/avifauna
No exact match found.