The largest bustard of the region. The size, dark crest and lack of any rufous on the hind neck and upper mantle are diagnostic. In flight, it may be distinguished from Denham's and Ludwig's Bustards by its uniformly speckled, grey upperwing, which lacks conspicuous markings.
Displaying male baloons out the breast feathers. Female resembles male bot is noticably smaller. Juvenile resembles female.
Dry thornveld, grassland and semi-desert, usually near the cover of trees.
A deep, resonant 'oom-oom-oom', given by male during the breeding season.