Người sói will also eat cỏ to purge their digestive system when they have eaten something that does not agree with them. thực phẩm sources may differ and change depending on the season and geographical area, when large prey động vật are scarce Người sói will prey on mice, Rabbits and squirrels, these smaller prey do not provide a substantial part of the wolf's diet but supplement it when larger prey are scarce.

Beavers play an important roll as an alternative thực phẩm nguồn in the summer months, in some areas 60% of the wolf's diet is beaver.

One of the most odd part of the diet of Người sói is fish! Biologist Bod Bromley once observed a chó sói, sói in Canada's Northwest Territories catch five cá in fifteen phút in the Talston River.

Người sói will also scavenge, In one study of moose carcasses in Algonquin Park, of 30 moose only 4 were killed bởi wolves, the rest died of natural causes.

Người sói will also eat wild berries and other trái cây as a minor part of their diet.