He had shivered at sight of the bear and the moose, but for the first time he now sensed the real meaning of danger.

And it was close after him.

He could hear the crashing of the two-legged beasts in pursuit; strange cries were almost at his heels--and then suddenly he plunged without warning into a hole.
It was a shock to have the earth go out from under his feet like that, but Baree did not yelp.

The wolf was dominant in him again.

It urged him to remain where he was, making no move, no sound--scarcely breathing.