Bean Goose has many recent taxonomic updates. All previous classification has undergone taxonomic revision. Earlier Bean Goose was classified as Anser fabalis middendorfii (then called Forest Bean Goose) and Anser fabalis rossicus (then Called Tundra Bean Goose). Anser fabalis rossicus was also named as Anser serrirostris rossicus by some early taxonomists.

Synonym: Anser cinereus Swinhoe, 1871
 

Subspecies in India: Anser anser rubirostris Swinhoe, 1871 (Also known as Eastern Greylag Goose). Also Graylag Goose (American English).
 

This species is listed as Vulnerable in the IUCN Red List of Threatened Species (https://www.iucnredlist.org/).

 

This is also known as the Bewick's Swan.

This is also known as the White-headed Stiff-tailed Duck.

 

This species is listed as Endangered in the IUCN Red List of Threatened Species (https://www.iucnredlist.org/).

Alternative Common Names: Lesser Whistling Teal, Tree Duck, Lesser Tree Duck, Lesser Whistling Teal, Indian Whistling Duck, Indian Whistling-duck, Whistling-teal, Javan Whistling Duck, Javan Tree Duck.

Alternative name combination: Anas javanica Horsfield, 1821.

Synonyms: NA.
 

Alternative Common Names: Large Whistling Teal, Large Whistling Duck, Fulvous Tree Duck, Fulvous Duck, Fulvous Whistle-Duck.

Old Taxonomy: Anas bicolor Viellot, 1816.