For Mary Ann Howell (and other interested parties):
I found this information today regarding the American Zoo and Aquariums Association's management of feline species. In summary, the goals for tigers are to manage the Malayan, Sumatran and Siberian species and to phase out generic (Bengal) tigers. The target population is 173 Siberian, 71 Sumatran and 73 Malayan tigers. They state that "recent challenges with Sumatran sub-species may warrant management of only two sub-species (Amur and Malayan). When phasing out a generic population more spaces are needed. The Malayan program has had strong growth and demand remains high for this warm weather tiger. All generic tigers are managed under the purview of the Tiger SSP."
Information is also listed for other cat species, such as lions, leopards, cheetahs, jaguars, pumas and many more. It is interesting to note that breeding pumas is prohibited; only rescuing animals from the wild is allowed.
You can read the entire report at the following link, released by the National Zoo in 2009.
>> AZA Felid Taxon Advisory Group, North American Regional Collection Plan (RCP), 2nd Edition, 2009"