Scientists studied the eating habits of wolf packs in British Columbia.
Deer is the staple food of the wolves in the spring and summer but they often injure themselves hunting them.
When Pacific salmon return to the region's rivers to spawn in the autumn, the wolves prefer the taste of the more nutritious and easier to catch fish.
The researchers studied the droppings and hair of eight wolf groups over four years to discover what they ate.
I think this is very cool I don't know the wolves can catch the fishes. It's very funny.
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