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
Messelirrisor	Messelirrisor sp.	fossil genus (extinct)
Messelirrisor grandis		fossil species (extinct)
Messelirrisor halcyrostris		fossil species (extinct)
Messelirrisor parvus		fossil species (extinct)
Messelirrisor halcyorostris		fossil species (extinct)