A flock of hooded cranes (Grus Monacha), one of China's Class-I State-Protected Species, are seen at the Shahu Wetland of the Poyang Lake, in Jiujiang City, east China's Jiangxi Province, Jan. 9, 2013. (Xinhua/Fu Jianbin)
A flock of snow cranes (Grus leucogeranus), one of China's Class-I State-Protected Species, are seen at the Shahu Wetland of the Poyang Lake, in Jiujiang City, east China's Jiangxi Province, Jan. 9, 2013. (Xinhua/Fu Jianbin)
A flock of grey cranes are seen at the Shahu Wetland of the Poyang Lake, in Jiujiang City, east China's Jiangxi Province, Jan. 9, 2013. (Xinhua/Fu Jianbin)
A flock of grey cranes are seen at the Shahu Wetland of the Poyang Lake, in Jiujiang City, east China's Jiangxi Province, Jan. 9, 2013. (Xinhua/Fu Jianbin)
A flock of grey cranes are seen at the Shahu Wetland of the Poyang Lake, in Jiujiang City, east China's Jiangxi Province, Jan. 9, 2013. (Xinhua/Fu Jianbin)
A flock of snow cranes (Grus leucogeranus), one of China's Class-I State-Protected Species, are seen at the Shahu Wetland of the Poyang Lake, in Jiujiang City, east China's Jiangxi Province, Jan. 9, 2013. (Xinhua/Fu Jianbin)
A flock of snow cranes (Grus leucogeranus), one of China's Class-I State-Protected Species, are seen at the Shahu Wetland of the Poyang Lake, in Jiujiang City, east China's Jiangxi Province, Jan. 9, 2013. (Xinhua/Fu Jianbin)