Great bustard it well camouflaged in open habitats. Immature birds resemble the female. The eastern subspecies ("O. t. dybowskii") is more extensively grey in colour in both sexes, with more extensive barring on the back. The great bustard has long legs, a long neck and a heavy, barrel-chested body. It is fairly typical of the family in its overall shape and habitat preferences. Three other bustard species overlap in range with this species: the Macqueen's ("Chlamydotis macqueenii"), houbara ("Chlamydotis undulata") and little bustards ("Tetrax tetrax"). However, none of these attains the plumage coloration nor approach the body sizes of this species. Thus,
Two Little Dickie Birds out of sight of the child, will mark in some conspicuous way the nail of the index finger of one hand and the nail of the second finger of the other hand. Both hands are then shown to the child as fists (folded fingers downwards) with the two fingers with marked nails pointing forward – these represent Peter and Paul. As the rhyme is recited, the hand actions are: Two Little Dickie Birds "Two Little Dickie Birds" or "Two Little Black Birds" is an English language nursery rhyme and fingerplay. It has a Roud Folk Song Index number of 16401.