Avibase - The World Bird Database

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There are more than 20,000 regional checklists in Avibase, offered in 9 different taxonomies, including synonyms more than 175 languages. Each checklist can be viewed with photos shared by the birding community, and also printed as PDF checklists for field use.
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American Ornithologists' Union
Author ID	60
Abbrev. name	American Ornithologists' Union
Full name	American Ornithologists' Union
Biography	https://en.wikipedia.org/wiki/American_Ornithological_Society
Publ. years	1910
#Names	1
Co-authors:

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