One of the two Amur leopard cubs born in Kent
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Rare Amur leopards born at Wildlife Heritage Centre

8 June 2012 Last updated at 15:11 BST

Two rare Amur leopards have been born at the Wildlife Heritage Centre in Smarden, Kent.

Only about 25 to 30 Amur leopards remain in the wild, making it the most endangered big cat in the world.

A conservation plan has been drawn up to breed the leopards in captivity, then take them back to the Amur Valley in Russia where they will live in a protected reserve.