Photo shows the black-tailed gulls in Rongcheng, east China's Shandong Province.
BEIJING, May 8 (Xinhua) -- Over 40,000 black-tailed gulls have been spotted this spring in Rongcheng City in east China's Shandong Province, according to the local authority.
It is learned that from early March to mid-August, about 40 percent of black-tailed gulls in China stay in Rongcheng, which is known as the home of black-tailed gulls in China.
Tourists in Rongcheng can enjoy special island tours accompanied by the lovely birds.
(Edited by Li Shimeng with Xinhua Silk Road, lishimeng@xinhua.org)