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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Rendahl, Carl Hialmar
Author ID	2511
Abbrev. name	Rendahl, CH
Full name	Rendahl, Carl Hialmar
Biography	https://en.wikipedia.org/wiki/Hialmar_Rendahl
Publ. years	1919 - 1922
#Names	11
Co-authors: Lönnberg, E;

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