Mating season lasts from May through July. As in all bear species, fertilized embryos delay implantation in the female’s uterus. If a sow isn’t vigorous enough to sustain a pregnancy, ...

The great white polar bear is the youngest and largest of the world's bear species — a mighty hunter and fierce defender of its young that's among the world's most vulnerable animals. Two-thirds of ...

In the second, it was observed eating another small bear or cub. This behavior, shocking though it may seem, is actually not all that unusual for other species of bears, which are known to turn to ...

Moving forward, the review authors call for more research on four less-studied bear species—sloth bears, giant pandas, spectacled bears, and sun bears—and for more documented evidence of cannibalism ...