Reproductive
When do grizzly bear cubs typically leave their mother's care?
around 2 and a half years old
What color are they?
Very light tan to darkish brown, generally lightish brown
What is their main food source?
berries and fish (salmon)
What adaptations do grizzly bears have for foraging and hunting?
A keen sense of smell to locate food, strong claws for digging and climbing, and powerful jaws and teeth for consuming a wide variety of foods.
True or false. Grizzly bears don't pee, eat, or drink when they are hibernating.
True.
At what age do grizzly bears typically reach sexual maturity?
4 to 7 years of age
When does a grizzly bear act most fierce?
When it is protecting its food and especially its young.
Are they carnivores, herbivores, or omnivores?
Omnivores.
What are the main physical characteristics that distinguish grizzly bears from other bear species?
large shoulder hump and longer, less curved claws
Are North American grizzly bears at risk?
Yes, they are classified as a threatened species.
In what months do grizzly bears mate?
From May to July, with a peak in June.
What does it use its long claws for?
To dig for food, to create a den, and to climb trees.
How do grizzly bears forage for food, and what techniques do they use?
Digging for roots and small mammals, grazing, and hunting for fish and larger prey.
What are the key differences in anatomy between male and female grizzly bears?
Male grizzlies are generally larger and heavier than females, with a more robust build, wider heads, and thicker legs. Female grizzlies tend to be more slender, with shorter legs and a narrower head and face.
How fast can a grizzly bear run?
As fast as 35 mph (short distance)
How do grizzly bears attract mates during the breeding season?
roar, fix posture, and engage in physical contests for dominance
How much does a male grizzly bear weigh?
400-600 lbs
How much food can a grizzly bear consume in a single day?
30 to 90 pounds
How does a grizzly bear's anatomy change as it ages?
Changes include affects on their skull, teeth, and skeletal structure.
How do they communicate?
They use a variety of movements, sounds, and smells like the scent they leave when they rub against a tree.
What is delayed implantation?
The embryo develops inside of the uterus, but it doesn't attach and continue to grow until a later time.
Why do these bears have a large shoulder hump?
It is a mass of muscles attached to its backbone that gives them additional strength for digging and tearing apart carcasses.
In what ways do grizzly bears store food for later consumption?
Burying food or consuming large quantities of food in the fall to build up fat reserves for hibernation.
How does the bear's digestive system help it process its varied diet?
allows them to efficiently process a wide range of foods
How do grizzly bears communicate?
They use a variety of movements, sounds, and smells like the scent they leave when they rub against a tree.