The length of its body (from the tail to the beak) is from 100 to 140 cm (39 to 55 in). The height of the bird at the withers - from 110 to 140 cm (43 to 55 in), although there are specimens that reach up to 150 cm (59 in).
Wingspan: from 230 to 260 cm (90 to 102 in), and weight: from 4 to 7 kg (8.8 to 15.4 lb), with the male averaging 5.5 kg (12 lb) and the female 4.9 kg (9.8 lb).
