Digestive tract morphological observation of four passerine birds .

4种雀形目鸟消化道形态特征。

Passerine bird having specialized vocal apparatus .

有特殊发音器官的雀形目鸟。

Passerine birds ; basal metabolic rate ( bmr ) ; organ mass .

雀形目鸟类；基础代谢率；器官重量。

Correlation between basal metabolic rate and organ masses among four passerine birds in wenzhou , zhejiang province .

温州地区4种雀形目鸟类基础代谢率与器官重量的相关性分析。

Morphology of digestive tract among four passerine birds in wenzhou , zhejiang province .

浙江温州地区4种雀形目鸟类消化道形态特征比较。