Avibase - The World Bird Database

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MyAvibase allows you to create and manage your own lifelists, and produce useful reports to help you plan your next birding excursion.
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Checklists

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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Scientific name	Common name	Status
Anhimidae	Anhimidae	higher-level taxonomy
Anhima	Anhima sp.	genus
Anhima (Palamedea)	Palamedea sp. (Anhima)	genus (synonym)
Anhima cornuta	Horned Screamer	full species
Chauna	Chauna sp.	genus
Chauna (Chaja)	Chaja sp. (Chauna)	genus (synonym)
Chauna chavaria	Northern Screamer	full species
Chauna torquata	Southern Screamer	full species
Chauna [chavaria x torquata]	Black-necked x Crested Screamer (hybrid)	hybrid
Chaunoides	Chaunoides sp.	fossil genus (extinct)
Chaunoides antiquus		fossil species (extinct)