Bird of medium size, slightly larger than a Partridge, plumage multicolored and cryptic, of the family of the pteroclidas, suited to the steppe and semi-desert areas. In decline still seen in las Castillas, Extremadura and Andalusia. In my childhood we saw it in flocks in the fields of cereal in my alistana perfectly land, where we called it cotreza. White cortizol Galicians and Basques ganga azpizuri pterocles alchata ornithologists.