Cape Barren goose

The Cape Barren goose is a striking bird indigenous to southern Australia, named after Cape Barren Island. First described by John Latham in 1801, its precise classification remains a topic of debate. Some scientists argue that it belongs to the Anserinae subfamily, while others suggest Tadorninae. There is even a smaller population in Western Australia that is considered a subspecies.

These geese are visually captivating, with their grey plumage adorned with black spots, black tails, and flight feathers. They also display pink legs with black feet. Typically, they measure between 75 and 100 cm in length and can weigh anywhere from 3 to 7 kg. Unlike many other geese, Cape Barren geese primarily graze on land and rarely swim.

One of their unique traits is the ability to drink salt or brackish water, enabling them to inhabit offshore islands throughout the year. They are social creatures, often forming small flocks outside the breeding season. These geese usually reside on grassy islands off the Australian coast, nesting on the ground in colonies. Interestingly, they have adapted to feed on agricultural lands, which has contributed to the recovery of their population from previous declines. If provided with sufficient space, they can also breed successfully in captivity.

Cape Barren geese have been introduced to a few locations outside their native range, such as Goose Island in Australia, Christchurch in New Zealand, and Maria Island in 1968. Despite these introductions, they continue to be among the rarest goose species in the world, renowned for their distinctive appearance and unique behaviors.