The largest and most widespread wolf species, gray wolves can weigh up to 175 pounds, with long, muscular builds that make them dominant hunters.
Known as the largest subspecies of the gray wolf, the Mackenzie Valley wolf from Canada can weigh up to 175 pounds, with large, thick coats to survive harsh climates.
A hybrid between domestic Alaskan Malamutes and wild wolves, these wolves can grow exceptionally large, with some individuals reaching up to 180 pounds.
Found in the Arctic regions, the Tundra wolf is built for cold environments, with a strong, stocky frame and a weight of up to 150 pounds.
This wolf, found in Eastern Europe and Russia, can grow to 130 pounds and is known for its thick fur, which helps it survive in harsh winters.
While smaller than some other species, the Mexican wolf can still weigh up to 100 pounds. These wolves are rare but have been making a strong comeback in North America.
Native to the central U.S., this subspecies of the gray wolf can weigh up to 130 pounds, with powerful builds designed for long-distance hunting.