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The brown bears are not really dying. But if they do, it's just a fact of life. All things die. There's no way to escape it, really. But if i had to come up with a reason, i'd say that it was because of the humans who are messing with them. They know how to survive on their own. Survival of the fittest.
Grizzly bears are vertebrates.
grizzly bears are in lots of danger
Grizzly Bears are not extinct.
Yes, grizzly bears are mammals.
Grizzly Bears have caves as homes.
No. Grizzly bears are a subspecies of Brown bears, so that although all Grizzly bears are Brown bears not all Brown bears are Grizzly bears.
Grizzly bears offspring are called cubs.
No, grizzly bears live in forest biomes.
Mama grizzly bears are fiercely protective of their cubs.
Not exactly. Polar bears are the largest species of bear in the world, making it "King of bears," not a grizzly.
Black bears prefer wooded areas and grizzly bears more open country, but grizzly bears can and will attack black bears when they encounter one another. Typically, black bears yield territory to the larger grizzly bears.