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Button quail, also called Bustard Quail, any of numerous small, round-bodied birds belonging to the family Turnicidae of the order Gruiformes. The 15 species are confined to scrubby grasslands in warm regions of the Old World. Button quail are dull-coloured birds, 13 to 19 centimetres (5 to 7 inches) long, that run crouching and zigzagging through the grass but are capable of weak whirring flight on their short rounded wings. Button quail usually go about singly or in pairs; they may join flocks of true quails.
Females, larger and more strongly patterned than males, do the courting and nest building. Males are much less vocal. They incubate the eggs and care for the young. The females mate with several different males in a single season, running off as soon as the eggs are laid. The incubation period, 12 or 13 days, is the shortest known for any precocial bird. The young are independent within two weeks, undergo two rapid molts, are full sized in six or seven weeks, and may breed when less than three months old.
The most widely distributed species is the striped button quail, or Andalusian hemipode (Turnix sylvatica). It occurs in southern Spain, Africa, and southeastern Asia to the Philippines. The red-backed button quail (T. maculosa) is its counterpart in the Australo-Papuan region. The Andalusian hemipode, 15 cm (6 in.) long, has streaked, reddish-gray upperparts and pale underparts with an orange breast patch and black-spotted sides. The sexes look much alike. In the barred, or common, button quail (T. suscitator) of India and eastward, females are black-throated in breeding season. The northernmost species, ranging from India to Manchuria, is T. tanki, called yellow-legged, Indian, or Chinese button quail.
Another bird of the button-quail family is the lark quail (Ortyxelos meiffrenii), of arid African plains. It looks more like a lark than a quail; having longer wings than other button quails, it is a stronger flier. It is about 13 cm (5 in.) long.