They have a black head and neck with a distinctive white "necklace" or patch on the sides of the neck.
Brants are compact geese with short necks and stubby black bills. brant goose
Unlike most terrestrial geese, the Brant is a "sea goose" almost exclusively associated with coastal marine environments. Brant Overview, All About Birds, Cornell Lab of Ornithology They have a black head and neck with
Much darker overall, with a soot-black belly and larger, more prominent white neck markings. Habitat and Diet Brant Overview, All About Birds, Cornell Lab of
Features a light gray or white belly that contrasts sharply with its black chest.
The ( Branta bernicla ), also known as the Brent goose in Europe, is a small, coastal waterfowl species about the size of a mallard. Known for its remarkable long-distance migrations, it breeds further north in the high Arctic than any other goose and is famous for its strict reliance on marine habitats and specialized diet. Physical Appearance
Their backs and wings are typically dark gray-brown, while their under-tail and vent areas are pure white. Subspecies Differences: