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
Gradiornis	Gradiornis sp.	fossil genus (extinct)
Gradiornis walbeckensis		fossil species (extinct)
Itaboravis	Itaboravis sp.	fossil genus (extinct)
Itaboravis elaphrocnemoides		fossil species (extinct)
Lavocatavis	Lavocatavis sp.	fossil genus (extinct)
Lavocatavis africana		fossil species (extinct)
Noriegavis		fossil genus (extinct)
Noriegavis santacrucensis		fossil species (extinct)
Eocathartes	Eocathartes sp.	fossil genus (extinct)