Also known as the brown bear, it is one of the most widely distributed members of the bear family in North America and Eurasia. Large in size, males can weigh up to 180 to 360 kilograms, while females are usually lighter, weighing between 80 and 250 kilograms. Named after its gray brown fur. Having a strong body, broad shoulders, straight facial contours, and a short tail. The feet are large and thick, suitable for walking on various terrains, and the claws are long and sharp, suitable for digging and hunting. It is an omnivorous animal with a wide dietary range, including berries, roots, fish, small mammals, and large prey. He is also an excellent swimmer and climber, often preying on salmon in rivers

It is a species of bear in the family Ursidae and is the largest terrestrial carnivore in the world, also known as the white bear. The body is large and robust, with a shoulder height of up to 1.6 meters. Polar bears live in waters covered by ice in the Arctic Circle. The depth of winter caves can reach the permafrost layer. The preferred habitat is the floating ice in the Arctic Ocean. The fractured and refrozen ice edges and pressure ridges provide the best hunting grounds. Generally acting alone, except during mating and lactation periods. The main prey is seals, and even larger species such as walruses and beluga whales. It also preys on seabirds, fish, small mammals, and sometimes cleans up carrion.