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Multidisciplinary study of the stone curlew, Burhinus oecdinemus …
White's Thrush (Zoothera dauma). Birds of Siberia.
List of bird genera - Wikipedia
AERC Western Palearctic List - BUBO
List of birds of Brazil - Wikipedia
Types of Birds By Classifications: Orders & Families
Birdoj - Vikipedio
Centre National pour la Recherche Scientifique et Technique
List of birds of Peru - Wikipedia
Ciencia Pajarera – Birds Colombia