Any of the above, as well as weasels, lemmings, some hawks, ravens, Canada jays, and gulls will scavenge caribou carcasses. Some wolves, especially on North Slope calving areas, will follow the caribou herd. However, many wolves reside in specific locations. Wolves hunt caribou by stealth and ambush, by relay running, or by culling victims of falls from running in a tightly massed herd. Healthy adult caribou can normally outrun single wolves and have the advantage on ice.
Wolves have the advantage on soft tundra and in some snow conditions.
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