Do Polar Bears Eat Arctic Foxes? Why or Why Not?

Since Arctic foxes and polar bears reside in the same region, you may wonder, “Do polar bears eat Arctic foxes?”

After all…

These meat-eating mammals are bound to run into each other while searching for sustenance in the Hudson Bay in North America. And with a polar bear being a supreme hunter, does it ever consume the Arctic fox, especially when their usual meal is scarce?

Do Polar Bears Consume Arctic Fox?

Polar bears can kill and eat Arctic foxes, but it is rare, and foxes are not a regular part of their diet. A polar bear is an apex predator in the Arctic, and its primary prey are ringed seals, followed by bearded seals. They also eat walruses and the carcasses of whales.

Remember, polar bears are apex predators, and no other animal, including the Arctic fox, can stand in their way. When the opportunity arises, they also eat seabirds and their eggs, small mammals, fish, and carrion.

In summer, when the sea ice melts, many polar bears come ashore, where Arctic foxes hunt and raise their pups. Interactions between the two species are more likely then.

Both species eat meat, so they tend to cross paths around food.

Polar bears are opportunistic hunters and scavengers with thick fur, so if they come across an Arctic fox, they may attempt to catch and eat it.

These interactions are more likely when scarce food sources or polar bears are unsuccessful in hunting seals. Foxes are smaller and considered easy prey. But they shouldn’t be underestimated. Foxes are intelligent creatures that can keep their distance when seeing a polar bear.

In winter, many Arctic foxes venture out onto the sea ice to feed on remains of seals killed by polar bears. They keep their distance while the bear feeds, then move in on the leftovers. This strategy carries some risk, since a fox that gets too close can be caught.

Why Doesn’t a Polar Bear Eat an Arctic Fox When Food Is Available?

Other than their demand for seals, bears have lots of reasons for not hunting foxes actively. They are known to turn to foxes when food is scarce or when an opportunity presents itself. Remember, an Arctic fox can follow bears and consume the remaining carcasses. Some of the key reasons why polar bears don’t hunt foxes regularly:

Size Difference

The size difference is the key reason bears don’t like hunting arctic foxes, especially when there are other food sources. Arctic foxes are smaller in size than polar bears, and they are quick and nimble.

Polar bears are built for ambushing seals, not for chasing small, agile animals. They would waste lots of energy to catch a small fox that offers little meat. Therefore, they avoid smaller prey like arctic foxes when they have other options. But when an opportunity presents itself, they will hunt and kill an arctic fox.

Hunting Specialization

A polar bear can catch a seal efficiently thanks to their sense of smell and swimming abilities. However, these skills are not useful when dealing with an Arctic fox. This is why they don’t spend too much energy on foxes when food is available.

Different Habitats

Even though they both reside in the polar region, they reside in different habitats. Polar bears spend a huge percentage of their time on sea ice hunting whereas arctic foxes can be found near coastlines or on land. Their unique lifestyles reduce their likelihood of encountering each other near the sea ice or the Arctic Ocean.

This results in fewer opportunities for the two creatures to interact. However, food scarcity can force polar bears to search for food outside their usual environment.

Avoidance Strategy

Foxes are known for their cautious behavior and intelligence. These creatures are clever and know when to stay away from polar bears. Arctic foxes stay away from most of their predators, like red foxes and polar bears. Avoidance is way more effective than getting themselves out of danger.

Why Does an Arctic Fox Follow Polar Bears?

One of the interesting facts about foxes is that they follow polar bears in the Arctic Circle. They don’t help them hunt but for another reason. They love feeding carcasses or leaving scraps of other creatures like seals. So after polar bears finish eating, arctic foxes finish what’s left behind.

Arctic foxes are much smaller than the seals polar bears usually eat. They are careful, but scavenging near a bear carries some risk, and a fox that crowds a feeding bear can be caught.

They have a great sense of smell that helps them spot a carcass from a distance. When hungry, they can get near the carcass or left over. This grants a polar bear an exceptional opportunity to kill them.

Conclusion

Polar bears are carnivores, and while they can sometimes kill foxes, foxes aren’t their main source of nourishment. Foxes are most at risk when bears are hungry and cannot hunt seals. And when food is very scarce, polar bears can even turn to cannibalism.

Frequently Asked Questions

Does a polar bear consume an Arctic fox?

Sometimes, but rarely. The two share the same region, and a polar bear may kill a fox that comes too close, but seals make up most of a polar bear’s diet. More often, the fox eats the bear’s leftovers.

Do polar bears turn to cannibalism?

Yes, at times. Male polar bears may prey on cubs if they come into contact, and hungry bears may feed on dead or weak polar bears.

Are polar bears opportunistic predators?

Yes, polar bears consume any meat that’s available when food is scarce.

Sources

• Ursus maritimus (polar bear), Animal Diversity Web, University of Michigan
• Arctic Fox, Alaska Department of Fish and Game
• Polar Bears, National Park Service