鸟类的跗跖骨远端特征可以被用来作为判断鸟类栖息习性的依据。
By comparing the morphological variations of the tarsometatarsus of living birds, I conclude that the morphology of the distal tarsometatarsus of birds can be used as an indicator of their habits.
对这6个变量的分析表明，它们对于区别鸟类的栖息习性具有显著的指示作用。
Statistic analysis of these 6 variables showed that they could be used to well distinguish arboreal and terrestrial birds.
然后将这些分数对比特征，比如物种的大小，栖息地以及生活习性。
They then ran these scores against characteristics, such as the size of a species, its habitat and its pattern of family life.
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