The size of the prey's third toe is important because, among birds, long third toes are helpful for grasping branches and perching in trees.

捕食者第三个脚趾的大小是很重要的，因为，对于鸟来说，长长的第三趾可以帮助其抓紧树枝，在树上栖息。

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The size of the prey's third toe is important because, among birds, long third toes are helpful for grasping branches and perching in trees.

这第三根脚趾头的大小很重要，因为在鸟类当中，长长的第三根脚趾能够帮助它们抓紧树枝，在树上栖息。

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