Summer in the Rockies
In Summer in the Rockies, narrator Sir David Attenborough describes how animals find a way to survive among the barren peaks. Grizzly bears search for roosting moths, as all around them the Rockies themselves crumble. This video is excerpted from BBC's Planet Earth, a breathtaking documentary series that highlights the natural wonders of our planet.
Lesson Express
Q: How does summer reveal “the true nature of the Rockies”?
A: Without snow, the peaks show their true form; animals return to the upper reaches.
Q: What makes the peaks of the Rockies such an unusual habitat for animals?
A: They are two miles high and very steep; they are snow-covered much of the year; there’s no vegetation; there doesn’t seem to be food.
Q: What brings animals to these high peaks in summer?
A: The moths come to escape the heat; the grizzly bears come to eat the moths.
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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.
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In Twisters in the Great Plains, learn how when warm air from the Gulf of Mexico meets cold air from the Arctic, it results in tornadoes that spin at speeds of over 300 miles an hour. Over a thousand tornadoes touch down in the Great Plains each year. This video is excerpted from BBC’s Seven Worlds, One Planet, a series featuring remarkable animal behavior from all seven continents.
In Mountain Slopes Provide Safety for Grizzly Bears, narrator Sir David Attenborough follows a female grizzly emerging from her den after six months of dozing underground. Though the snowy mountain slopes are tough to navigate, they provide a sanctuary from male bears who could kill the cubs. This video is excerpted from BBC's Planet Earth, a breathtaking documentary series that highlights the natural wonders of our planet.