Crested ibises are seen at a breeding center of Sichuan Provincial Academy of Natural Resources Sciences in Emeishan City, southwest China's Sichuan Province, April 19, 2017. Two crested ibis chicks were hatched in an artificial breeding center for the endangered species in Sichuan on Tuesday and Wednesday, local authorities said. The two crested ibis chicks weighed 55.3g and 51.7g respectively and were in good health, according to the publicity department of Emeishan City, Sichuan. During the past three decades, the population of crested ibis in China has grown from seven to more than 2,000 due to conservation efforts by the government and academic institutions. The endangered birds are under top national protection. (Xinhua/Liu Kun)