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Genus Anser
Greater White-fronted Goose - The Greater White-fronted Goose is a goose species closely related to the smaller Lesser White-fronted Goose . In Europe it has been known as simply "White-fronted Goose"; in North America it is known as the Greater White-fronted Goose , and this name is also increasingly adopted internationally. In Northern and Central North America, it is colloquially called "Specklebelly" due to the salt-and-pepper appearance of the underside.
Greylag Goose - It was in pre-Linnean times known as the Wild Goose . This species is the ancestor of domesticated geese in Europe and North America. Flocks of feral birds derived from domesticated birds are widespread.
Pink-footed Goose - It is a medium-sized goose, 60–75 cm long, the wingspan 135–170 cm, and weighing 1.8–3.3 kg. It has a short bill, bright pink in the middle with a black base and tip, and pink feet. The body is mid grey-brown, the head and neck a richer, darker brown, the rump and vent white, and the tail grey with a broad white tip. The upper wing-coverts are of a somewhat similar pale bluish-grey as in the Greylag Goose, and the flight feathers blackish-grey. The species is most closely related to the Bean Goose Anser fabalis , sharing a similar black-and-coloured pattern bill, but differing in having pink on the bill and legs where the Bean Goose is orange, and in the paler, greyer plumage tones. It is similar in size to the small rossicus subspecies of Bean Goose, but distinctly smaller than the nominate subspecies fabalis. It produces a medley of high-pitched honking calls, being particularly vocal in flight, with large skeins being almost deafening.
Swan Goose - Anas cygnoid Linnaeus, 1758 Anas cygnoides Linnaeus, 1758 Cycnopsis cygnoides Cygnopsis cygnoides
Lesser white-fronted goose - It breeds in northernmost Asia, but it is a scarce breeder in Europe. There is a re-introduction scheme in Fennoscandia.
Bean Goose - The Bean Goose is a medium to large goose breeding in northern Europe and Asia. It has been split into two species by the AOU , however it is still regarded as a single species by the BOU - see below. It is migratory and winters further south in Europe and Asia.
Bar-headed Goose - The Bar-headed Goose is a goose which breeds in Central Asia in colonies of thousands near mountain lakes. It lays three to eight eggs at a time in a ground nest.