
Coturnix is a genus of five extant species and five to eight known extinct species of Old World quail.
The Canary Islands quail once occurred on the islands of El Hierro, La Palma, Tenerife and Fuerteventura.

The common quail, or European quail, is a small ground-nesting game bird in the pheasant family Phasianidae. It is mainly migratory, breeding in the western Palearctic and wintering in Africa and southern India.

The harlequin quail is a species of bird in the family Phasianidae. It occurs in Africa and in the Arabian Peninsula. The species is named after the collector, Adulphe Delegorgue.

The Japanese quail, Coturnix japonica, also known as the coturnix quail is a species of Old World quail found in East Asia. First considered a subspecies of the common quail, it is now considered as a separate species. The Japanese quail has played an active role in the lives of humanity since the 12th century, and continues to play major roles in industry and scientific research. Where it is found, the species is abundant across most of its range. Currently, there are a few true breeding mutations of the Japanese quail. The breeds from the United States are: Texas A&M, English white, golden range, red range, Italian, Manchurian, Tibetan, rosetta, scarlett, roux dilute and golden tuxedo.

The New Zealand quail, or koreke in Māori, is an extinct quail species endemic to New Zealand. The male and female were similar, except the female was lighter. The first scientist to describe it was Sir Joseph Banks when he visited New Zealand on James Cook's first voyage. Terrestrial and temperate, this species inhabited lowland tussock grassland and open fernlands. The first specimen to be obtained by a European was collected in 1827 by Jean René Constant Quoy and Joseph Paul Gaimard on Dumont D'Urville's voyage.

The rain quail or black-breasted quail is a species of quail found in the Indian Sub-continent and South-east Asia; its range including Pakistan, India, Nepal, Sri Lanka, Bangladesh, Myanmar, Thailand, Cambodia and Viet Nam.

The stubble quail is a native Australian species which is the most common quail species in Australia. The species is not under any threat of extinction. Stubble quail are widespread and found throughout all states and territories of Australia excluding Tasmania. Other common names include the grey quail and the pectoral quail.