[2] The zoo formerly contained leopards, but these were released into the wild due to the efforts of campaigner Virginia McKenna, founder of the Born Free Foundation.

[3] The two leopards, Pitou and Sirius, had been kept in a five-meter enclosure with a concrete floor.

[4] McKenna had previously visited Monaco nine times in an attempt to petition Prince Rainier for the animal's release, she was finally granted a royal audience with Prince Albert after his ascension to the Monegasque throne in 2005.

Albert also promised to turn the Zoological Gardens into a petting zoo.

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