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
Ross's Goose	Anser rossii
Snow Goose	Anser caerulescens
Bar-headed Goose	Anser indicus
Swan Goose	Anser cygnoides

comparison of wing and tail configuration¹

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