1. GRIZZLEY BEAR FACTS THE BEAR NECCESSITIES
Karen Martin
Integrating Technology
into the Science Classroom

2. GRIZZLEY BEAR FACTS THE BEAR NECCESSITIES Contents
Historical Facts
Basic Facts
Habitat Facts
Food Facts
Population Facts
Threat Facts
Enemy Facts
Recovery Facts
Where To Go For More Facts (Web Sites)

3. Historical Facts GRIZZLEY BEAR FACTS-THE BEAR NECCESSITIES
Lewis & Clark killed 7 grizzly bears on their expedition
There was an estimated 50,000 grizzly bears at the time of the Lewis & Clark expedition
The grizzly bear has been designated “threatened” since 1975

4. Basic Facts GRIZZLEY BEAR FACTS-THE BEAR NECCESSITIES
The grizzly bear is America’s largest carnivore
The grizzly bear stands up to 7 feet tall and weighs 300 to 800 pounds (average is 400 to 500 pounds)
Adult grizzly bears measure from 6 to 8 feet long

5. Habitat Facts GRIZZLEY BEAR FACTS-THE BEAR NECCESSITIES
The types of terrain grizzlies loves is alpine meadows, pine, cedar and fir forests, glacial lakes and fast flowing streams flowing into lush river valleys
The remaining bears are concentrated in and around Yellowstone National Park, Glacier National Park and the Bob Marshall Wilderness
Grizzly bears are solitary and live in densely vegetated and remote areas

6. Food Facts GRIZZLEY BEAR FACTS-THE BEAR NECCESSITIES
A grizzly’s staple food is:
Salmon
Roots
Berries
Nuts
Elk
Deer
Insects

7. Population Facts GRIZZLEY BEAR FACTS-THE BEAR NECCESSITIES
There are fewer than 1,000 to 1,100 grizzly bears in the lower 48 states
There are an estimated 400 to 600 grizzly bears in Yellowstone National Park
The number of adult breeding females has jumped from less than 30 in 1983 to over 100 today

8. Threat Facts GRIZZLEY BEAR FACTS-THE BEAR NECCESSITIES
The major threats to grizzly bear recovery are:
Habitat loss due to loss of food
Private land development
Human caused mortality
Resource development

9. Threat Facts GRIZZLEY BEAR FACTS-THE BEAR NECCESSITIES
The actions taken to counter threats to the grizzly bear:
Close monitoring
Responding to the needs of the bears
Educating the public
Funding

10. Enemy Facts GRIZZLEY BEAR FACTS-THE BEAR NECCESSITIES
The most significant natural enemy to grizzly bears is humans
79% of grizzly bears that die prematurely do so at the hands of humans (Dr. David Mattson-U.S. Geological Survey’s Biological Resources Division).

11. Recovery Facts GRIZZLEY BEAR FACTS-THE BEAR NECCESSITIES
There are substantial efforts being made to save the grizzly bear. Examples of this include efforts in Bitterroot Montana and Yellowstone National Park. These programs seek to re-introduce the grizzly bear into areas it once flourished in.

12. Where To Go For More Facts (Web Sites) GRIZZLEY BEAR FACTS-THE BEAR NECCESSITIES