Large birds are a diverse group of animals that can be found in many parts of the world. Rheas, GEESE, emus, moas, and emeus are all examples of large birds. Rheas are flightless birds native to South America, GEESE are waterfowl found in many parts of the world, emus are large, flightless birds native to Australia, moas were large, flightless birds that lived in New Zealand until they became extinct in the late 19th century, and emeus are large, flightless birds native to Africa.