In September 2021 A Russian photographer (Dmitry Kokh) captured a fascinating series of photos showing polar bears that took over the abandoned buildings of a meteorological station on an island between Russia and Alaska. The island is located in the Chukchi Sea, a marginal sea of the Arctic Ocean.
Nah, If you sit on their head they won’t be able to open their jaws and bite you.
Are you sure?
Last time I sat on someone’s head their jaw was certainty able to move.