We found 24 dictionaries that define the word avifauna:

General (19 matching dictionaries)

1. avifauna: Merriam-Webster
2. avifauna: Oxford Learner's Dictionaries
3. avifauna: American Heritage Dictionary of the English Language
4. avifauna: Collins English Dictionary
5. avifauna: Vocabulary.com
6. avifauna: Wordnik
7. avifauna: Wiktionary
8. avifauna: Webster's New World College Dictionary, 4th Ed.
9. avifauna: Infoplease Dictionary
10. Avifauna, avifauna: Dictionary.com
11. Avifauna (disambiguation), Avifauna: Wikipedia, the Free Encyclopedia
12. Avifauna: Online Plain Text English Dictionary
13. avifauna: Webster's Revised Unabridged, 1913 Edition
14. avifauna: Rhymezone
15. Avifauna: AllWords.com Multi-Lingual Dictionary
16. avifauna: FreeDictionary.org
17. avifauna: Mnemonic Dictionary
18. avifauna: TheFreeDictionary.com
19. avifauna: Merriam-Webster

Computing (1 matching dictionary)

20. Avifauna (disambiguation), avifauna: Encyclopedia

Medicine (1 matching dictionary)

21. online medical dictionary (No longer online)

Miscellaneous (1 matching dictionary)

22. avifauna: A Word A Day

Science (2 matching dictionaries)

23. Bird On! (No longer online)
24. Biodiversity (No longer online)

(Note: See avifaunal as well.)

Definitions from Wiktionary (avifauna) ▸ noun:  The birds, or all the kinds of birds, inhabiting a region. Similar: ornis, birdlife, feathered folk, birdkind, featherdom, aerofauna, waterbird, ornithon, aviphile, ovenbird, more... Opposite: terrestrial fauna, non-avifauna, land animals Types: penguin, ostrich, emu, albatross, pelican, seagull, swallow, crow, jay, canary, more... Adjectives: rich, hawaiian, american, endemic, native, british, north, australian, indian, local, fossil ▸ Words similar to avifauna ▸ Usage examples for avifauna ▸ Idioms related to avifauna ▸ Wikipedia articles (New!) ▸ Popular adjectives describing avifauna ▸ Words that often appear near avifauna ▸ Rhymes of avifauna ▸ Invented words related to avifauna