Conservation experts found that unusually warm weather was affecting the hibernation activity of brown bears.
New US scientists have recently made new assumptions
Journey to conquer the mountain bear's soaring mountains to reach the mother bear on the top of the mountain inspires millions of people around the world.
Photographer Jeff Schultz took a series of photographs that recorded the clash between brown bears and eagles when rowing passengers down the river through Katmai Wilderness guest
Blue whales, giraffes, statues ... are on the list of the largest animals in the world. Each animal has its own characteristics to create a lively and exciting natural world.
Hunting skills, jaws, sharp claws and deadly venom have turned these animals into high-class predators.
Varvara - brown bear is said to be the longest living in the world, died at a zoo in St Petersburg (Russia).
Brown bears are colored from yellow, brown, or black
With slaps and roar, two big brown bears compare their talents on the wide lawn in Alaska state, USA.
The risk of hunting for brown bears declined sharply during the economic downturn as hunters could not afford the cost of shooting them.