Catharacta skua is a species of bird that belongs to the skua family. It is commonly known as the Great Skua or the Bonxie. Synonyms for the Catharacta skua include the Brown-backed Skua, the Buffon's Skua, the Arctic Skua, and the Richardson's Skua. These synonyms represent variations of the bird's breeding range, plumage, and taxonomy. The Great Skua is a large predatory bird that preys on fish, other birds, and small mammals, and is known for its aggressive behaviour. Found in the sub-Arctic and cold temperate waters, the bird is an important part of the coastal ecosystem and a symbol of strength and resilience.