They can be named as nest-building convenience factor. The Chinese merganser also has selectivity to the habitat channel segment in broad mingled forest of needle near the bank.
中华秋沙鸭对岸边针阔混交林生境具有选择性。
参考来源 - 中华秋沙鸭繁殖栖息地选择研究The results showed that:(1) major behaviors of Chinese merganser included resting,hackling feather,disputing female,precaution,playing and copulation. In all behaviors,resting is most major activity and followed by hackling feather.
结果显示:(1)中华秋沙鸭的主要活动包括休息、理羽、取食、争雌、警戒、玩耍和伪交尾。
参考来源 - 小兴安岭救助饲养的中华秋沙鸭幼鸟的生长指标测定及亚成体行为研究·2,447,543篇论文数据，部分数据来源于NoteExpress
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