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American black bear

life science Maturity 7-9 Next article →

The American black bear is a medium-sized bear found across North America.

Black bear Yellowstone NP 2008
Black bear Yellowstone NP 2008

It is the smallest bear species on the continent. These bears are also the most widely spread out. They are omnivores, which means they eat both plants and animals. Their diet changes based on where they live and the season. Most black bears live in thick, forested areas.

Black bear Quesnel Lake BC
Black bear Quesnel Lake BC

Sometimes they leave the woods to look for food. They might even visit human towns if food is easy to find.

To survive, these bears use a very flexible way of living. They can eat many different kinds of things. This generalist behavior helped them through the last Ice Age. Other large bears in North America could not eat enough variety. Because of this, the giant short-faced bear and the Florida spectacled bear went extinct.

Bear hibernating
Bear hibernating

The black bear survived because it could adapt to changing plants and weather. It even stayed good at climbing trees, which is called being arboreal. This helped them stay safe from larger predators in the past.

Scientists have studied how these bears changed over a long time. Their ancestors split from sun bears about 4.58 million years ago.

Black&brownbears
Black&brownbears

Later, the American black bear split from the Asian black bear. Fossil evidence shows a primitive bear called *Protarctos abstrusus* lived 4.95 million years ago. This old bear might be a direct ancestor of today's black bear. Early fossils from Pennsylvania looked a lot like bears in Asia. Over time, some specimens even grew to be as large as grizzly bears.

There are many different types of black bears called subspecies.

"Cinnamon" Black Bear
"Cinnamon" Black Bear

Some have reddish fur and are called cinnamon bears. In Alaska, you can find the silvery-gray glacier bear.

Glacier-Bear
Glacier-Bear

There is even a rare white or cream-colored version called the spirit bear.

Spiritbear
Spiritbear

In Mexico, the black bear is actually considered endangered. In the United States, populations are often stable or growing. For example, there were about 1,500 bears in Great Smoky Mountains National Park in 2020. In North Carolina, the number grew from 3,000 to over 8,000 recently.

You might see black bears in places you visit on vacation. Many live in the Appalachian Mountains from Maine down to Georgia.

Grand Tetons black bear
Grand Tetons black bear

They also live in the Rocky Mountains and along the West Coast. Even in places like Iowa, bears have been found living near towns. While they are wild animals, they are part of a very large family. Their population is estimated to be twice as big as all other bear species combined. This makes them a very successful part of the North American woods.

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🖼️ Images & Media (20)
File:Black bear Quesnel Lake BC.jpg
Black bear Quesnel Lake BC.jpg
File:Black bear Yellowstone NP 2008.jpg
Black bear Yellowstone NP 2008.jpg
File:Ursus americanus PO 03.jpg
Ursus americanus PO 03.jpg
File:Black Bear (20261425192).jpg
Black Bear (20261425192).jpg
File:"Cinnamon" Black Bear.jpg
"Cinnamon" Black Bear.jpg
File:Glacier-Bear.jpg
Glacier-Bear.jpg
File:Ursus americanus eremicus.jpg
Ursus americanus eremicus.jpg
File:A Florida Black Bear.jpg
A Florida Black Bear.jpg
File:American black bear Gros Mornе NFL.jpg
American black bear Gros Mornе NFL.jpg
File:Ursus americanus kermodei, Spirit Bear Lodge, Klemtu, BC 1.jpg
Ursus americanus kermodei, Spirit Bear...
File:Ursus americanus machetes.jpg
Ursus americanus machetes.jpg
File:Grand Tetons black bear.jpg
Grand Tetons black bear.jpg

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