Largest organisms were related to the ostrich. They exceeded in height and . The last of the elephant birds became extinct about 300 years ago. Of almost exactly the same upper proportions as the largest elephant birds was "Dromornis stirtoni" of Australia, part of a 26,000-year-old group called mihirungs of the family Dromornithidae. The largest carnivorous bird was "Brontornis", an extinct flightless bird from South America which reached a weight of and a height of about . The tallest carnivorous bird was "Kelenken", which could reach 3 to 3.2 meters in height and 220 to 250 kilograms. The tallest bird ever was
Grey goshawk trees on a platform of sticks and twigs with a central depression lined with green leaves. The female lays a clutch containing 2 or 3 eggs, which are incubated for about 35 days. Chicks fledge 35–40 days after hatching. The female is usually responsible for incubating the eggs and feeding the young. The male does most of the hunting. State of Victoria (Australia) Grey goshawk The grey goshawk ("Accipiter novaehollandiae") the white morph of which is known as the white goshawk, is a strongly built, medium-sized bird of prey in the family "Accipitridae". The grey morph has a pale grey