These used to be imported in large numbers in the 60s & early 70s, mainly cocks. Later on there was a small captive stock which should have been self sustaining. I suspect there are still some in private collections, although they have largely been replaced by Harlequin Quail [C. delagourgei].
Can anyone who is more up-to-date with trends in Galliform aviculture enlighten us here?