The polar bear is at the top of the Arctic food chain. Its most common prey is the ringed seal and the bearded seal. … Out on the sea ice they will eat young walruses, Greenland seals, hooded seals, beluga whales and narwhals. When on land polar bears also catch reindeer and the young and eggs of sea birds and geese.
Is a polar bear a top predator?
Because polar bears are top predators in the arctic, they are exposed to especially high levels of toxic chemicals. … Since polar bears mainly feed on seals, organochlorines become even more concentrated in the fat layer of polar bears.
What animal is at the top of the Arctic food-chain?
The Polar Bear – The Top of the Arctic Animal Food Chain.
What is the polar bears role in the food-chain?
Why Are Polar Bears Important? Being at the top of the food web, polar bears can signal that there are problems in the Arctic marine ecosystem. They are likely to be among the most significantly affected species as the Arctic warms and sea ice melts.
Is a polar bear a top carnivore?
Polar bears are the top predator in the Arctic marine ecosystem. Because the polar bear’s body requires a diet based on large amounts of seal fat, it is the most carnivorous member of the bear family. Food can be hard to come by for polar bears for much of the year.
What is killing polar bears?
There exist several threats that risk leading to the extinction of polar bears by 2100. The most important of these threats being climate change, oil and other development, pollution, hunting and self-defense killing, intraspecific predation, tourism in the Arctic, and capture for public display.
Do polar bears have predators?
When on land (as opposed to surface ice), polar bears scavenge for dead animal matter. This species has no natural predator. It is one of the few species that is even considered to be higher on the food web than humans. Courtship and mating take place on the ice surface, but birth generally takes place on land.
Do polar bears eat Arctic foxes?
While ringed and bearded seals are the polar bears’ primary targets, they also hunt harp, hooded and ribbon seal when available. Where seals are plentiful, the polar bears eat only the fat of the animal, leaving the rest for scavengers such as foxes, ravens and other bears.
Do polar bears eat penguins?
A polar bear’s favorite meal is seal. Occasionally a polar bear may kill a young whale or walrus or they will scavenge their carcasses. … Polar bears do not eat penguins, since penguins live in the southern hemisphere and polar bears live in the northern hemisphere.
Why are bears at the top of the food chain?
Polar bears are at the top of the food chain. This means that the polar bear has no predators, but only has prey. Polar bears eat seals, small whales, fish, walruses, sea birds and their eggs.
Do we need polar bears?
Importance of polar bears. Polar bears are at the top of the food chain and have an important role in the overall health of the marine environment. Over thousands of years, polar bears have also been an important part of the cultures and economies of Arctic peoples.
Is a polar bear a carnivore herbivore or omnivore?
Unlike other bear species, polar bears are almost exclusively meat eaters (carnivorous). They mainly eat ringed seals, but may also eat bearded seals. Polar bears hunt seals by waiting for them to come to the surface of sea ice to breathe. … They also eat walruses and whale carcasses.