More widely known as the Pretoria Zoo, the National Zoological Garden in Boom Street is not only the largest zoo in South Africa and the only one with national status, but is also rated as one of the top zoos in the world.

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blue blooded creatures

Unlike mammals, spiders, snails and octopi have blue blood. This is because the hemocyanin molecule that oxygen is bound to in these animals contains copper, which gives their blood the blue colour