Greylag Goose Anser anser

Greylag Goose head
Greylag Goose bill
The Greylag is Britain's and Europe's original native goose from which most domestic geese and some evolved wild geese are descended.
Greylag Goose
Greylag Goose
Greylag Goose
The "Western" European race has an orange bill with pink tip, pink legs, grey-brown plumage and a white rump. (The "Eastern" Asian race has a pink bill and is generally darker.)
Greylag Goose head The teeth.
Greylag Goose bill Greylag and domestic goose feral hybrid.
Greylag Goose
Greylag Goose calling
Greylag Goose head and neck
On the water.
Greylag Geese
Greylag Geese
Greylag Geese
They are gregarious, gathering in flocks of their own kind or, above right, mixed (in this case with Canada Geese and greylag/domestic hybrids).
Greylag Geese in flight
Greylag Geese in flight
Greylag Geese in flight
Greylags in flight.