The mother is slowed, which will definitely help the group, as she is the biggest threat. The newborns are still trying to learn how to use their legs, so their stumbling won't get them anywhere any faster than the mother can travel right now.

The mother drops the animal in her mouth, and the babies immediately go towards it to devour it. Eating is one thing they can manage to do very well.

But those that can't get on the deer carcass, as well as the mother, will be turning to go after the group. Fight or escape, but a choice must be made, because they will be within chomping range before too long.