hind toe

any of various small, quaillike old world birds of the family turnicidae that lack a hind toe and are related to the crane and the bustard.

三趾鹑一种象鹌鹑的无后脚趾的三趾鹑科小体型东半球鸟类，与鹤和大鸨有一定的亲缘关系

a similar anatomical part, such as the fleshy rounded base of the human palm or the hind toe of a bird.

一个类似的组织部分，如人类手掌的圆形回基部分或者鸟类的后脚趾部分

gull of northern regions; nests on cliff and has a rudimentary hind toe.

北方地区珍珠灰色的小海鸥；在悬崖上筑巢，后趾未完全发育（已退化）。

chiefly diurnal carnivorous birds having hooked beaks and long talons with opposable hind toe: falcons;

主要是白天出没的食肉鸟类，鹰勾鼻，爪大，后趾可合握；