The niche of the nuthatch bird is walking upside down.

五子雀的生态位是倒立的。

Sometimes we'd see nuthatches flicking their wings, which is a big sign of distress for them.

“有时我们会看到五子雀拍打，是它们发现危险的信号。

But being able to walk upside down means that the nuthatch can pull out insects that they can see underneath the bark.

但是能够倒立味着五子雀可以从树皮下揪出它们能看到的昆虫。

Nuthatches have a similar niche to that of the woodpecker because their habitats are the same, as is their diet, but there is something which makes the nuthatch unique.

五子雀和啄木鸟有相似的生态位，因为它们的栖息地和饮食是一样的，但是有一些东西让五子雀与众不同。

The hardy nuthatches were threading the open furrows of the barks in their usual industrious manner and uttering their quaint notes, giving no evidence of distress.

耐寒的五子雀以他们一贯勤劳的方式穿过树皮的开沟，发出古怪的声音，没有表现出痛苦的迹象。