Two of the Great Grey Owl chicks are growing fast.

乌林鸮幼鸟中有两只长得很快。

Like the Great Grey Owl, this mother is exploiting someone else's hard work, a discarded woodpecker hollow.

和乌林鸮一样，这位妈妈也在利用别人的辛勤劳动成果。一个废弃的啄木鸟洞。

But even invisible preys don't stand a chance against the advanced hunting skills of the Great Grey Owl.

但是，即使是会隐身的猎物也不可能逃过乌林鸮过人的捕猎技能。

All these adaptations enable a great grey owl to hear a vole tunneling under 18 inches of snow and make a fatal strike.

所有这些适应力使大灰鸮能够听到田鼠在 18 英寸积雪下挖洞的声音，并进行致命一击。

And great grey owl wings have especially thick velvety coatings and long feather combs and fringes, which are thought to help reduce their flight sounds.

大灰鸮的翅膀上拥有特别厚的柔软绒毛和长长的羽梳外缘，这被认为有助于降低它们的飞行声音。