1. 
   avifaunal
   [adj] - of or relating to birds of a particular region or period
   Found op http://www.webdictionary.co.uk/definition.php?query=avifaunal
   
   
2. 
   avifaunal
   avifaunistic adjective of or relating to birds of a particular region or period
   Found op http://wordnetweb.princeton.edu/perl/webwn?s=avifaunal
   
   
3. 
   avifaunal
   avifaunal A reference to or relating to birds of a particular region or period.
   Found op http://www.wordinfo.info/words/index/info/view_unit/802/
   
   
4. 
   avifaunal
   1) Avifaunistic 2) Fauna
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/avifaunal/1
   
   

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