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No. Grizzlies are diurnal. This means they sleep at night and hunt during the day.
However it is not uncommon for them to be active during the night as well, especially on clear nights when the moon is out or when their bellies are telling them to be out scrounging for food during the night--late evening or early morning. So it can be said they may be nocturnal, though some argue otherwise.
What else can I help you with?
Are grizzly bears vertebrate or invertebrate?
Grizzly bears are vertebrates.
What year was grizzly bears extinct?
Grizzly Bears are not extinct.
What facts about grizzly bears?
grizzly bears are in lots of danger
Are grizzly bears-mammal?
Yes, grizzly bears are mammals.
What type of homes do grizzly bears have?
Grizzly Bears have caves as homes.
Is another name for a brown bear a grizzley bear?
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.
What kind of offspring does grizzly bears have?
Grizzly bears offspring are called cubs.
What do mama grizzly bears do?
Mama grizzly bears are fiercely protective of their cubs.
Do grizzly bears live in the desert?
No, grizzly bears live in forest biomes.
Are grizzly bears the king of the bears?
Not exactly. Polar bears are the largest species of bear in the world, making it "King of bears," not a grizzly.
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.
Could polar bears possibly move to Alaska and live like grizzly bears?
well kind of they formed from grizzly bears but would find it hard to live like grizzly bears
