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
Small cackling goose Small cackling goose The small cackling goose (Branta hutchinsii minima), also known as the Ridgway's goose, is the smallest subspecies of cackling goose and the smallest variant of white-cheeked goose. "Ridgway’s geese" are the smallest of the white cheeked geese and the second smallest goose in the genus Branta, following the red-breasted goose. It is only slightly larger than a mallard and has a culmen (bill) length of 32 mm. The small cackling goose’s calls are described as high pitched yelps. In flight, it can be identified by its fast wingbeat, in contrast to Canada geese and the larger subspecies