Photo taken on Jan. 17, 2022 shows fork-tailed sunbirds feeding on nectar from a plum tree in Zigui County, central China's Yichang City. More active acts of the birds have been observed since the weather turned warm in the area. (Wang Gang/Guangming Picture)

Photo taken on Jan. 17, 2022 shows fork-tailed sunbirds feeding on nectar from a plum tree in Zigui County, central China's Yichang City. More active acts of the birds have been observed since the weather turned warm in the area. (Wang Gang/Guangming Picture)

来源：GMW.cn