Tundra Bean Goose Anser serrirostris
In Europe, references to Tundra Bean Goose usually refer to the subspecies rossicus which is sometimes known as Russian Bean Goose. However the more eastern Thick-billed Bean Goose, nominate race serrirostris, may also occur here occasionally. The two taxa are dealt with separately here.
Thick-billed Bean Goose Anser serrirostris serrirostris
Tundra Bean Goose Anser serrirostris rossicus