tarsometatarsus

Additionally, the structure of tarsometatarsus and the pedal digits presents obviously arboreal adaptation.

跗跖骨结构以及足趾近、远端趾节的长度反映了明显的树栖性特征。

Abstract the avian tarsometatarsus distinguished from the tarsus and metatarsus of other quadruped by its unique characteristic of structure.

摘要鸟类的跗跖骨以其独特的结构特征与其他四足动物跗骨、跖骨相区别。

The tibiotarsus of hindlimbs of typical terrestrial birds with the characteristic accustomed to walk and run is the longest, and its tarsometatarsus is longer than the femur;

习于地面行走、奔跑为特征的典型地栖鸟类，后肢骨骼中胫跗骨最长，其次跗跖骨长度大于股骨；

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.

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。