A lot of species are rare/nonexistent in captivity for a variety of reasons. If you could pick some species to be more common, which ones would you pick? Personally I wish pangolins would be more common. Mostly cause I like 'em, but also because they're in trouble right now and I think zoo education, and possibly captive breeding, could be beneficial. Alas, so few zoos have them. I may be going to San Diego in the summer, so I'll definitely stop by the zoo and check out their pangolin, but it would be nice if I could see them more easily.