Bear "nests" are clusters of broken branches from feeding. They are made when a bear sits in a crotch of the tree and pulls branches closer to eat catkins, buds, leaves, fruit, or nuts. The spectacled bear and the black bear have both been known to make tree nests.

Polar bears have black skin that is covered in two layers of fur. The hollow, outer fur layer is nearly 6" long and reflects light, which is why it looks white.

Winnie-the-Pooh, also called Pooh Bear or simply Pooh, is a fictional anthropomorphic teddy bear created by English author A. A. Milne.

Bile bears, sometimes called battery bears, are bears kept in captivity to harvest their bile, a digestive fluid produced by the liver and stored in the gallbladder, which is used by some traditional Chinese medicine practitioners. It is estimated that 12,000 bears are farmed for bile in China, South Korea, Laos, Vietnam, and Myanmar.

There are a variety of bear threats, with six of the eight species of bears listed as endangered or vulnerable and their numbers in sharp decline. Bears are confronted with a wide variety of survival challenges, including habitat loss, climate change, and hunting.

During mating periods, the sun bear is known to exhibit behaviours such as hugging, mock fighting, and head bobbing with its mate.

Sloth bears were trained by Qualanders, a nomadic group that roamed India and entertained crowds with performing animals and circus acts, and were the original dancing bears.

Although grizzlies enjoy eating many insects, moths are at the top of the menu. Researchers have observed bears climbing to alpine heights at Montana's Glacier National Park in order to feast on the flying appetizers. Grizzlies will turn over rocks and spend up to 14 hours in a day devouring in excess of 40,000 moths.