Polar bears depend mostly on their sense of smell to guide them through their travels and to determine the location of their prey. Polar bears are able to stalk both on land and in water. Still-hunting, frequently used by polar bears, is when a bear sits beside a breathing hole and waits for a seal to come up for air. Once the seal is in range, the bear grabs it with his powerful forepaws and claws. An adult bear eating its kill will often share it with another bear rather than fighting for sole possession.
Females are able to breed at the age of five years.
The cubs are born in December and January, and remain with the mother inside the den until March or April. The cubs stay with the mother for 28 months. About 20,000 in the wild. Polar bears can live in the wild up to 20-25 years. Habitat destruction due to oil and gas exploration and development.