一除了食物链关系,我们通常想不到,一个生态群落里的各种动物还有其他关系。有一些观察者曾在苔原上长距离徒步跟随麝牛,与麝牛之间有过难忘的、不一定是愉快的遭遇,这些观察者常常谈及麝牛与鸟类的关系。雪鹀和拉普兰铁爪鹀用麝牛毛在苔原上筑巢。珩科鸟和贼鸥等其他鸟类也把巢筑在地面上。当体态庞大的麝牛经过,要踩到这些鸟的巢时,它们会从鸟巢飞起,来表达其义愤。冬季,麝 Aside from the food chain, we often can not think of any relationship between the various animals in an ecological community. Some observers have followed Muskull on long stretches of the tundra and have had unforgettable, sometimes unpleasant, encounters with Musk Ox. These observers often talk about the relationship between Musk Ox and birds. Snow 鹀 and Lapland 铁 鹀 鹀 with musk deer nesting in the tundra. Other plovers and skulls build their nests on the ground. When large bodies of musk ox go past them and step on to the nests of these birds, they fly from the nest to express their indignation. Winter, musk deer