Nest size and its Contributing Factors for Black-Necked Cranes Grus nigricollis
Nest size and its Contributing Factors for Black-Necked Cranes Grus nigricollis
Zheng Quan Jiang1,2, Feng Shan Li3, Jiang Hong Ran1,*, Chen Hao Zhao1, Man Zhang1 and Hua Li4
Four types of nests of Black-necked Cranes: A, grass mound nest in grassy swamp; B, natural island nest in lake; C, floating grass nest in lake and D, dirt mound nest in lake.