非常罕见的谷仓猫头鹰选择了池塘边一棵空心的树干来筑巢。

The very rare Cove Owl has chosen one of the empty tree trunks by the pond to build his ___nest.

我们在旧谷仓的屋檐下发现了一个巨大的黄蜂巢。

We found a large wasps' ___nest under the eaves of the old barn.

松鼠在高高的橡树上用树叶和树枝筑了一个舒适的窝。

The squirrel built a cozy ___nest of leaves and twigs high up in the oak tree.