A bird has made its nest in that disused tractor.

一只小鸟在废弃的拖拉机上造了一个巢。

youdao

They are not very clear is why each kind of bird has its own way of building a nest.

他们不太清楚的是为什么每种鸟都有自己的筑巢方法。

youdao

I was pleasantly surprised to go to see a side in the cage, the bird's nest inside the bird, just two small pink blob, only has a bird shape, body only sparse few root hair, black eyes and odd.

我惊喜地走到鸟笼边一看，在鸟巢里面的所谓小鸟，只是两团小小的粉红色肉球，仅仅具有鸟的雏形，身上只有稀疏的几根毛，两只黑黑的眼睛却奇大。

youdao

I've one hen left that has a nest inside the bird room and she's now got no mate so she's left the eggs.

BBC: Exotic birds stolen in Tadley, Hampshire