An Aythya baeri swims at Qinghuahai National Wetland Park in Baoshan, southwest China's Yunnan Province, Feb. 22, 2020. An Aythya baeri, a critically endangered duck, was recently spotted in a national wetland park in southwest China's Yunnan Province, local authorities said Tuesday. (Photo by Zhang Shihong/Xinhua)
An Aythya baeri (R) swims at Qinghuahai National Wetland Park in Baoshan, southwest China's Yunnan Province, Feb. 23, 2020. An Aythya baeri, a critically endangered duck, was recently spotted in a national wetland park in southwest China's Yunnan Province, local authorities said Tuesday. (Photo by Mao San/Xinhua)
An Aythya baeri swims at Qinghuahai National Wetland Park in Baoshan, southwest China's Yunnan Province, Feb. 23, 2020. An Aythya baeri, a critically endangered duck, was recently spotted in a national wetland park in southwest China's Yunnan Province, local authorities said Tuesday. (Photo by Mao San/Xinhua)
An Aythya baeri (C) flaps its wings at Qinghuahai National Wetland Park in Baoshan, southwest China's Yunnan Province, Feb. 23, 2020. An Aythya baeri, a critically endangered duck, was recently spotted in a national wetland park in southwest China's Yunnan Province, local authorities said Tuesday. (Photo by Wang Jinfang/Xinhua)
An Aythya baeri (Upper) swims at Qinghuahai National Wetland Park in Baoshan, southwest China's Yunnan Province, Feb. 23, 2020. An Aythya baeri, a critically endangered duck, was recently spotted in a national wetland park in southwest China's Yunnan Province, local authorities said Tuesday. (Photo by Mao San/Xinhua)
A farmer ploughs a field in Shapo Vegetable Base in Haikou, south China's Hainan province, Feb. 25, 2020. (Xinhua/Pu Xiaoxu)
