Photo taken on Dec. 8, 2017 shows a fork-tailed sunbird gathering honey around flowers at the national forest park of Fuzhou, capital of southeast China's Fujian Province. [Photo/Xinhua]

Photo taken on Dec. 8, 2017 shows a fork-tailed sunbird gathering honey around flowers at the national forest park of Fuzhou, capital of southeast China's Fujian Province. [Photo/Xinhua]

Photo taken on Dec. 8, 2017 shows a fork-tailed sunbird gathering honey around flowers at the national forest park of Fuzhou, capital of southeast China's Fujian Province. [Photo/Xinhua]