Ostrich The largest living bird species, the ostrich, is known for its speed on the ground but cannot fly. Its wings are used for balance, courtship displays, and protecting its young
Cassowary This large, colorful bird native to Australia and New Guinea is known for its aggressive behavior and sharp claws. It has small wings that are vestigial and cannot be used for flight
Takahe This endangered bird found in New Zealand is a flightless rail with bright blue and green plumage. It has adapted to life on the ground and is a strong runner