Liên quan Chloephaga Chloephaga picta Chloephaga melanoptera Chloephaga hybrida Chloephaga poliocephala Chloephaga rubidiceps
Tài liệu tham khảo WikiPedia: Chloephaga http://www.birds.cornell.edu/clementschecklist/dow... http://www.zoonomen.net/avtax/frame.html https://web.archive.org/web/20080403224624/http://... https://web.archive.org/web/20090225225612/http://... https://commons.wikimedia.org/wiki/Category:Chloep... https://species.wikimedia.org/wiki/Chloephaga?usel...
