The zoo had the first Indian rhinoceros birth in a zoo, as well as the first greater flamingo hatch. It has had repeated breeding success with animals including cheetahs (18 births), okapi (22), pygmy hippopotamuses (53), and flamingos (over 400 hatches). Every Somali wild ass (a donkey) in zoos worldwide is related to the population in Basel, where this species' zoological breeding program was started