Hidden beneath, they're protected from the cold and hunters above.

躲在下面，使牠們免受雪地之上酷寒及獵人的威脅。

The vole's ears are big and can listen out for danger.

田鼠有雙大耳朵，能夠聽出危險的接近。

But what good is that if danger makes no sound?

但若是危險不會發出聲音又有什麼用呢？

Silence is the Snowy Owl's secret weapon.

無聲，是雪鴞的秘密武器。

Fringed edges of her flight feathers break up the flapping noise that a normal bird makes.

飛羽的流蘇狀邊緣消除一般鳥類會發出的振翅聲。

And her attack is as silent as death.

因此牠的攻擊如死亡般安靜。

The vole never knew what hit him.

這隻田鼠永遠不知道自己葬身誰之手。