Like a pack of wolves, howling for our blood.

Whipping through the doorway, The Shadow continued on the fugitive's trail with the whole pack howling behind him.

Then the panther disappeared into the boughs, leaving the frustrated pack howling and growling.

The King's huntsmen unleashed the whole pack of automated hounds (mainly Saint Cybernards and Cyberman pinschers, with an occasional high-frequency terrier); these hurled themselves, howling and slavering, at the crouching beast.

But then more Trollocs had appeared, ahead, and they went galloping off to the side with both packs howling after them.