Quick Answer: Do Bears Eat Their Cubs?

Do black bears eat their cubs?

Adult male bears are known to kill cubs that are not theirs—and sometimes the mother that defends them. A new study suggests that smart mama bears have found a surprising way to protect their young. To shield her cubs from male attacks, mom just has to raise them near an adult bear’s No. 1 enemy: humans.

Do bears eat other bear cubs?

Bears eating other bears isn’t entirely new—polar bears will eat each other, especially each others’ young. But for grizzlies it’s much more novel.

How do bears feed their cubs?

Fetuses develop only if the mother has stored enough body fat and other nutrients to survive overwinter and provide milk for her cubs until she resumes feeding in spring (nature’s way of bear birth control). The mother eats the birth membranes, licks the cubs, and warms them against her thinly furred belly.

Do mother polar bears eat their cubs?

Scientists believe that polar bears eat cubs in the late summer and autumn, when seals, their typical prey, are at sea and less available. “One of the only things that’s left to eat is, in fact, cubs of various ages,” says Ian Stirling, a biologist at the University of Alberta and Environment Canada.