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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Sick, Helmut
Author ID	2773
Abbrev. name	Sick, H
Full name	Sick, Helmut
Alternative spellings	Sick, Heinrich Maximilian Friedrich Helmut
Born/Deceased	1910 - 1991
Bibliography
Publ. years	1939 - 1991
#Names	13
Co-authors:

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