Beavers play an important roll as an alternative Makanan sumber 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 Serigala is fish! Biologist Bod Bromley once observed a serigala, wolf in Canada's Northwest Territories catch five ikan in fifteen minit in the Talston River.
Serigala will also scavenge, In one study of moose carcasses in Algonquin Park, of 30 moose only 4 were killed sejak wolves, the rest died of natural causes.
Serigala will also eat wild berries and other Buah as a minor part of their diet.