It is emphasized in the passage that, the living conditions of most animals in zoos _.

Many of us enjoy a visit to a zoo and for those
seeing lions and tigers for the first time it is
surely a most thrilling experience. But how many
people stop to wonder how the animals are
feeling in their often unsuitable surroundings?
Most zoos cannot afford to provide all the
separate species with the right environment. The
animals in zoos may be well fed, but a hunting
animal wants to hunt for its own food.