The sandgrouse are a family, Pteroclididae, of 16 bird species, the only living members of the order Pteroclidiformes. They are restricted to treeless open country in the Old World, such as plains and semi-deserts. They are distributed across northern, southern and eastern Africa as well as Madagascar; the Middle East, India through to central Asia; and the Iberian Peninsula. Sandgrouse are traditionally placed in two genera. Two central Asian species in Syrrhaptes, and the rest in...