(CNN) A fully albino giant panda has been filmed roaming bamboo forests in China -- the first ever recorded in the wild, an expert says.

The footage was taken on an infrared camera in April in Wolong National Nature Reserve, about 2,000 meters (6,562 feet) above sea level in southwestern China's Sichuan province, reserve management authorities said Saturday

Li Sheng, a researcher with Beijing's Peking University, told CNN that no fully albino giant panda had ever been recorded in the wild before.

He was quoted by Chinese state media CCTV as saying it was likely to be only one or two years old.

"The panda looked strong and his steps were steady, a sign that the genetic mutation may not have quite impeded its life," Li said.

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