Similar to a widely reported relationship in natural size flocks of many species of birds, vigilance levels of the free individual eared pheasants declined as the extra-range flock size increased.
英
美
- 分离者的个体警惕水平随着临时群体大小的增加而下降,遵从在其它自然大小鸟类群体所发现的一般性规律。