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Grizzly bears never come into contact with black bears so the question is invalid.
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Of course grizzly bears come in contact with black bears. Grizzlies tend to inhabit more open areas, and black bears tends towards forested areas, but their ranges do overlap. Black bears evolved in the presence of grizzly bears due to their ability to climb trees, and their tendency to stay near mature forest trees.
Black bears become more vulnerable to grizzly attacks when they venture too far into open grizzly territory, or when grizzlies explore black bear areas looking for food. This could occur after a forest fire creates an explosion of high calorie, ground cover and brush, for example.
Grizzly predation on black bears occurred in Yellowstone Park at a number of sites: Hoodoo creek, Dave Adams Hill, Grizzly Overlook, and Pilgrim Creek. They took place from 1990 to 2005, indicating this is normal behaviour.
The Grizzly Overlook attack is documented at http://www.nps.gov/yell/naturescience/upload/predation.pdf. There you will also find references to other incidents.
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Does a black bear live in a cave?
does a grizzly bear lives in caves
What colour are grizzly bears?
The colors of a grizzly bear are black and/or brown.
Who would win a fight a grizzly bear or two black bears?
The two black bears would win the fight because they together weigh as much as a grizzly bear, and have bad aggressions. The grizzly bear would injure the two black bears after the two black bears killed the grizzly bear.
Is a black bear a bird?
No. A black bear is a mammal, i.e., a bear like a grizzly bear or a polar bear.
Which is more powerful the black bear grizzly bear or the brown bear?
Brown bear, and the grizzly is a race of the brown bear.
Who lives in the black bears family?
brown bear and grizzly bear
Who would win in a fight a grizzly bear or black bear leave in the comments?
it would be a grizzly bear I just say that because of the size the strength and their claws a black bear is smaller and weaker and has a smaller jaw
Any grizzly bear on black bear aggression today?
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.
Which is the biggest bear a black bear and a grizzly bear?
A grizzly bear is larger than a black bear.Black bears are generally 7 foot and 600 lbGrizzly bears are generally 9 foot and 1000 lb
Who is the relative of the brown bear?
The polar bear, grizzly bear, and black bear. Though some may think that a brown bear and a polar bear can have babies together that has only happen between a Grizzly bear and a polar bear. Note: Grizzly's and Brown bears are different species of bear.
Is a grizzly bear brown?
Grizzly bears are a subspecies of brown bears (so yes).
Is a grizzly bear attack or a black bear attack worse?
They're equally bad.
