An observation on nests and nearby vegetation in giant swan
1989
Wang Yongji (Heilongjiang Provincial Academy, Harbin (China). Inst. of Natural Resources)
The observation reveals that giant swans (Cygnus cygnus) are good at making delicate and solid nests, which is contrary to previous conception. The nests mainly consist of grasses and float on swamps. Ecological environment in the neighborhood of swan nests is presented in the paper.
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书目信息
页码
pp. 61-62
其它主题
Conservacion de la naturaleza; Cygne; Cisne; Flore/ autoecologie; Nidificacion; Flora/ autoecologia
语言
中国人
注释
1 table
1990-08-15
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