The lions which are direct descendents from the captive collection of the Sultans and later Kings of Morocco are all in zoos. There is a healthy group of lions in Temara Zoo in Rabat, plus even more related individuals spread across a dozebn or so zoos across Europe, with around 100 animals in captivity overall. Ten years ago there were about 80 of these lions and many of those were beyond breeding age, or had already contributed significantly. Just around then, old and alone, the last female with genetic representation from founder animal 7 died and with her 1/12th of the genetic basis of the captive population.
Unfortunately until the studbook was developed from detailed examination of handwritten zoo records and a sweep of various databases, websites and personal contacts acrtoss European zoos the precariousness of the captive population was unknown. However since then a number of zoos have joined the programe to breed the animals and there have been successful transfers that have made the population a lot more healthier. When the studbook was devised it was hoped that a reinvigorated programme would give the zoo population another 10-15 years breathing space as a viable captive group.
However a few animals are underutilised – males needing suitable females – and some breeding pairings have been completely unsuccessful. Greater cooperation is needed between zoos to maximise the strenght of the whole population, not just the small groups held in each zoo exhibit. The first ten years since the revival of the breeding program has since passed. Concerted effort and active partnership is needed now to get inactive males and females together to develop breeding pairs.
Black S.A. (2016) The Challenges of Exploring the Genetic Distinctiveness of the Barbary Lion and the Identification of Putative Descendants in Captivity, International Journal of Evolutionary Biology. vol. 2016, Article ID 6901892, 9 pages, 2016. doi:10.1155/2016/6901892
Black S, Yamaguchi N, Harland A, Groombridge J (2010). Maintaining the genetic health of putative Barbary lions in captivity: an analysis of Moroccan Royal Lions. Eur J Wildl Res 56: 21–31. doi: 10.1007/s10344-009-0280-5
Yamaguchi N, Haddane B. (2002). The North African Barbary lion and the Atlas Lion Project. International Zoo News 49: 465-481.