Greylag goose the western greylag goose, breeds in Iceland and north and central Europe; "A. a. rubrirostris", the eastern greylag goose, breeds in Romania, Turkey and Russia eastwards to northeastern China. The two subspecies intergrade where their ranges meet. The greylag goose sometimes hybridises with other species of goose including the barnacle goose ("Branta leucopsis") and the Canada goose ("Branta canadensis"), and occasionally with the mute swan ("Cygnus olor"). The greylag goose was one of the first animals to be domesticated; this happened at least 3000 years ago in Ancient Egypt, the domestic breed being known as "A. a. domesticus". As the
Moffitt's Canada goose Moffitt's Canada goose The Moffitt's Canada goose (Branta canadensis moffitti), also known as the western Canada goose, is a common bird west of the Rocky Mountains. It is a subspecies of the Canada goose, as well as six other subspecies. It is sometimes mistaken for the giant Canada goose. If a goose has a neck collar, then it will be white and black. If the goose has a leg band, then it will be white or green. The Moffitt’s Canada goose is the second largest subspecies of Canada goose. It possesses a long neck and bill; similar to that of