Keywords: Nymphicus hollandicus2.jpg Three Cockatiels on a row in Avifauna The Netherlands on November 8th 2005 Picture taken by Magalhães 2005-12-17 own assumed Magalhães Nymphicus hollandicus in zoos Vogelpark Avifauna Birds at Vogelpark Avifauna Nymphicus hollandicus Amelanism in birds |