Anser cinereus var. rubrirostris Swinhoe, 1871 Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Animalia phylum Chordata class Aves order Anseriformes family Anatidae genus Anser species Anser anser Name Homonyms Anser cinereus var. rubrirostris Swinhoe, 1871 Anser cinereus rubrirostris Swinhoe, 1871