A seven-week-old Snow Leopard cub plays at Tulsa Zoo, USA

Nico, the seven week old Snow Leopard cub, plays in a room at the Tulsa Zoo on Wednesday, June 26, 2013. <AP Photo/NEWSis/Tulsa World, John Clanton>

Nico, the seven week old Snow Leopard cub, looks up at news photographers in a room at the Tulsa Zoo on Wednesday, June 26, 2013. <AP Photo/NEWSis/Tulsa World, John Clanton>