How Grizzly Bears Survive in the Mountains
In How Grizzly Bears Survive in the Mountains, narrator Sir David Attenborough explores an avalanche tumbling down a mountainside in North America. Grizzly bears coming out of hibernation must move quickly to the safer valley, where they will gorge themselves during spring and summer. Learn about how they also rub against trees to shed winter fur and spread their scent. This video is excerpted from BBC’s Planet Earth II, a breathtaking documentary series that highlights the natural wonders of our planet.
Lesson Express
Q: Why are the grizzly bears in a hurry when they come out of hibernation?
A: Not only are the bears very hungry after sleeping for five months, but the mountainside can be dangerous due to avalanches and instability from the avalanches.
Q: How does the mountain habitat change with the coming of spring?
A: The snowy landscape in the valleys become full of life, with green grass, flowers, and animals.
Q: What are some ways that the grizzly bears adapt to spring in the mountains?
A: They gorge on plants and marmots. They rub against trees to shed their thick winter fur.
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