Use wolves in sentence as collective nouns?

Here are some sentences using "wolves" as collective nouns:

* A pack of wolves howled at the moon, their voices echoing through the forest.

* The pack had been hunting for days, their stomachs rumbling with hunger.

* A pack of wolves surrounded the deer, their sharp eyes gleaming in the twilight.

* The pack's alpha male was a powerful creature, leading his pack with confidence.

* The pack was scattered by the sudden appearance of humans.

Note that while "pack" is the most common collective noun for wolves, you could also use "troop" or "tribe" in some contexts, though these are less common.