She always over-leaped, which was a good fault.
In another way, and one that was destined to serve them many times in the future, she became of greater help than ever to Kazan.

Scent and hearing entirely took the place of sight.

Each day developed these senses more and more, and at the same time there developed between them the dumb language whereby she could impress upon Kazan what she had discovered by scent or sound.

It became a curious habit of Kazan's always to look at Gray Wolf when they stopped to listen, or to scent the air.
After the fight on the Sun Rock, Kazan had taken his blind mate to a thick clump of spruce and balsam in the river-bottom, where they remained until early summer.

Every day for weeks Kazan went to the cabin where Joan and the baby--and the man--had been.