Anser

Trivial name Latin name
Bean Goose Anser fabalis
Greylag Goose Anser anser
Greater white-fronted goose Anser albifrons
Emperor goose Anser canagicus
Pink-footed Goose Anser brachyrhynchus
Lesser White-fronted Goose Anser erythropus
Ross's Goose Anser rossii
Snow Goose Anser caerulescens
Bar-headed Goose Anser indicus

comparison of wing and tail configuration1

1 According to Hartmann (2000a, 2000b and 2016)