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The dietary variability is illustrated in the western United States, as meat made up 51% of the average year-around diet for grizzly bears from Yellowstone National Park, while it made up only 11% of the year-around diet for grizzlies from Glacier National Park a few hundred miles to the north. [4]
Grizzly bears feed on fish such as salmon, trout, and bass, and those with access to a more protein-enriched diet in coastal areas potentially grow larger than inland individuals. Grizzly bears also readily scavenge food or carrion left behind by other animals. [71]
The diet of the California grizzly bear was diverse, ranging from plant sources like grasses, seeds, berries, and acorns, to animal sources such as elk, deer, salmon, steelhead, and carrion. [20] [21] [15] Isotopic study indicates that the majority of the diet consisted of plant matter, as with other grizzly bear populations. [3]
Native to North America, grizzly bears (also known as brown bears) live in nearly all areas of Alaska.In fact, the state is home to more than 98% of the world’s brown bear population! The only ...
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When mentioning Brown bears or Grizzly bears, they are the same animal living in different areas. Coastal bears tend to be larger because of a diet high in salmon. The total number of brown bears in the U.S. is estimated at 32,000 with approximately 95% (30,400) living in Alaska. Around 4000 of these are coastal bears.
Eurasian brown bears were used in Ancient Rome for fighting in arenas. The strongest bears apparently came from Caledonia and Dalmatia. [7] In antiquity, the Eurasian brown bear was largely carnivorous, with 80% of its diet consisting of animal matter.
Grizzly bears are considered a threatened species in the lower 48 states under the federal Endangered Species Act. There are about 2,000 grizzly bears outside of Alaska. In the 19th century, there ...