But after the operation Vicky couldn't look after them, so vets decided that giving them to another lioness would be best.
However the lion cubs didn't seem too keen on the change, so now a dog at the zoo has started looking after them.
People can go in the cages!
At Lujan Zoo dogs quite often share cages with baby lions and the zoo lets people go into the cages.
Zookeepers also use gentle dogs to help them train the baby lions.
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