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Grizzly Bear

January 02, 2022 3 min read

Grizzly Bear

Ursus arctos horribilis, grizzly bear, is commonly referred to as the North American brown bear. Grizzlies get their name due to their brown fur, which gives them the grizzlies look. The average lifespan is about 22 to 26 years. Grizzly is the territorial mammal.

General Description:

Body Color:

Grizzly is blond to nearly black, legs being darker. The overall fur is brown with a white silver or blond tip on the back.

Body Size and Body Weight:

Males weigh heavier than females, and the average body weight is about 315 kilograms. This mammal can reach up to the height of 6.50 ft.

Claws:

Grizzly bears have long and strong claws, but grizzlies can rarely climb due to their straight claws. However, they can run at the speed of 48 km per hour.

Shoulder Hump:

Grizzlies have a large muscular shoulder hump which gives grizzly bear additional strength, and due to extra muscles on the hump, a grizzly can dig their dens.

Eyes:

They have small eyes and have poor eyesight.

Distinguishing Features:

The grizzly bear has certain distinguishing features from the black bear; some of them are as follows,

Dished Face:

The grizzly bear has a dished face; however black bear has a straight face.

Ears:

They have short rounded ears, while black bears have large ears.

Claws:

Grizzlies have large claws rather than black bears; grizzly claws have 2–4 inches while black bears have 1–2 inches claws.

Rump:

Black bears have a more prominent rump, while grizzlies have a lower rump. 

Hump:

Grizzlies have a hump on their shoulders, while black bears lack this muscular shoulder hump.


Habitat of Grizzly Bear:

Grizzly bears prefer riparian areas. They live near rivers and streams

Grizzly bears inhabit the rocky mountains, forests, alpine meadows, woodlands, and prairies habitats.

Range of Grizzly Bear:

Brown bear has two subspecies,

  • Kodiak bear
  • Grizzly bear

Kodiak bears occur on the island of Kodiak, while grizzlies occur in the rest of North America. Grizzlies occur throughout the entire western United States. Some habitat loss and other controlled actions eradicated them from Grand Teton National Park in Wyoming, Yellowstone National Park, California, Washington, and Idaho. 

Grizzly bear populations persisted in the Yellowstone and Glacier National Parks, Northern Rocky Mountains, and extreme northern Idaho next to Canada, northwestern Montana.

Grizzlies are present across Asia, North America, and Europe.

Diet of Grizzly Bear:

Grizzly bears are omnivores, they eat the plants and also do hunt, and their diet may include,

  • Berries
  • Fleshy roots
  • Grasses
  • Fruits
  • Forbes
  • Fish(salmon, trout, bass)
  • Ground squirrels
  • Cattle
  • Bighorn sheep
  • Sheep
  • Elk
  • Bison
  • Caribou
  • Carrion
  • Moose
  • Deer

Reproduction:

Grizzly bears attain sexual maturity at the age of five years. The gestation period is 6–8 months. January and February are the months of breeding. 

Grizzly females have a “delayed implantation” period in which the embryo's growth stops for some time.

The mother nurses the cub for about two more years.

Different Behaviors:

Grizzly bear show different behaviors as follows,

  • They retire to their dens in winters after acquiring a large amount of fats. They reduce their body temperature, metabolic activity, and heart rate to survive long winters. They may live in dens for seven months or more.
  • Grizzly marks their territories by rubbing tree trunks, biting them, and scratching barks.
  • Grizzlies growl, moan or grunt to communicate with their young ones.

Grizzly Bear Hunting:

Grizzly bears are more common in North America and are widespread in the Great plains and somehow to the Pacific Coast of Alaska. For bear hunting, you must take into account the following things,

  • When to hunt
  • How to hunt

When to Hunt:

Grizzly bear hunt has two main seasons.

  • Spring bear hunt
  • Fall bear hunt

The spring hunting season is from March to May, while the fall season is from August to October.

How to Hunt:

Grizzly hunting is dangerous game hunting, so you must have a proper guide to follow and have a rifle of suitable caliber. The caliber used for bear hunting is larger than the caliber used for the elk, deer, and caribou. There are different methods of bear hunting; some of them are,

  • Baiting
  • Calling
  • Snaring
  • Hunting with dogs
  • Stalking

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