Children (28 direct children, 43 direct and indirect children):
Graylag goose
(tree size 2)
Anser anser
Bean goose
(tree size 4)
Taiga bean goose
Swan goose
Anser cygnoides
Greater white-fronted goose
(tree size 5)
Anser albifrons
Bar-headed goose
Anser indicus
Lesser white-fronted goose
Anser erythropus
Pink-footed goose
Anser brachyrhynchus
Ross's goose
Ross’s goose
Tundra bean goose
(tree size 2)
Emperor goose
Anser canagicus
Anser djuktaiensis
Anser caerulescens
(tree size 2)
Snow goose
Anser cygnoid
Anser inornatus
Anser melanopterus
Anser mentalis
Anser neglectus
Anser oatesi
Anser phoenicopus
Anser sp.
Anser luzonica
Anser specularis
Anser jubatus
Anser cinereus
Anser hyperboreus
Anser melanotos
Anser hutchinsii
Anser nigricans