FOTOGALERIE
Foto a text zdroj:
https://commons.wikimedia.org/wiki/File:Yellow-crowned_Night_Heron_(7159983935).jpg, U.S. Fish and Wildlife Service Southeast Region
https://commons.wikimedia.org/wiki/File:Yellow-crowned_Night_Heron,_Phinizy_Swamp_Nature_Park.jpg, Ospr3yy
https://commons.wikimedia.org/wiki/File:Yellow-crowned_Night_Heron_by_Dan_Pancamo_1.jpg, Dan Pancamo
https://commons.wikimedia.org/wiki/File:Yellow_crowned_night_heron_Florida_2010.JPG, Terry Foote
https://commons.wikimedia.org/wiki/File:Nycticorax_violaceus_-flying-8.jpg, Googie man (talk)
http://animaldiversity.org/accounts/Nyctanassa_violacea/
https://commons.wikimedia.org/wiki/File:Yellow-crowned_Night_Heron_(7159983935).jpg, U.S. Fish and Wildlife Service Southeast Region
https://commons.wikimedia.org/wiki/File:Yellow-crowned_Night_Heron,_Phinizy_Swamp_Nature_Park.jpg, Ospr3yy
https://commons.wikimedia.org/wiki/File:Yellow-crowned_Night_Heron_by_Dan_Pancamo_1.jpg, Dan Pancamo
https://commons.wikimedia.org/wiki/File:Yellow_crowned_night_heron_Florida_2010.JPG, Terry Foote
https://commons.wikimedia.org/wiki/File:Nycticorax_violaceus_-flying-8.jpg, Googie man (talk)
http://animaldiversity.org/accounts/Nyctanassa_violacea/