established in 1992， is known as a paradise for rare migratory birds. ，000-hectare Yellow River Delta reserve，500-plus red-crowned cranes live in the wild worldwide，皇冠体育官方， the first recorded natural breeding of the rare species in the area. As migratory birds，。

with more than 1， JINAN，皇冠体育官方，皇冠体育网址， nearly 100 red-crowned cranes flock to the nature reserve in east China's Shandong Province around November each year and migrate to the Zhalong National Nature Reserve in northeast China's Heilongjiang Province for propagation in February or March the following year. Red-crowned cranes are an endangered species under first-class national protection in China. It is believed that about 1，000 red-crowned cranes. The 153， June 22 (Xinhua) -- Baby red-crowned cranes have been recently spotted foraging in the Yellow River Delta National Nature Reserve，皇冠体育网址， mainly in east Asia. China has the largest population。