Checklist datasets with "Aves"

IRMNG Homonym List

Fauna Europaea

ECAT Provisional Names

Paleobiology Database

IOC World Bird Names

Catalogue of Life

IUCN Red List of Threatened Species

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Taxonomy in Flux Checklist

Catalog of Life Hierarchy, Februar 2012

Dyntaxa - Svensk taxonomisk databas

Global Invasive Species Database

Belgian Species List

Wikipedia Species Pages - German

Wikipedia Species Pages - German

Wikipedia Species Pages - German

Wikipedia Species Pages - German