Hiding and Hunting Under the Snow
In Hiding and Hunting Under the Snow, narrator Sir David Attenborough explains how animals in the Arctic use the snow to escape predators, like the vole who burrows and buries itself to escape a grey owl. But while a burrow may be small enough to evade an owl, it won’t help when trying to escape a weasel on the prowl. This video is excerpted from BBC’s Frozen Planet, a series that shows a fragile world of beauty and hostility, where nature finds a way to survive and thrive in frigid conditions.
Lesson Express
Q: What happens when the vole population increases? What is the effect?
A: The voles must venture to the surface to find food where they may be spotted by predators.
Q: When it comes to hunting voles, what advantage does the weasel have that the owl does not?
A: The weasel's body shape is similar to that of the vole, so it can go down the burrow to catch voles in ways that the grey owl cannot.
Q: How does the weasel create a warm bed in the snow?
A: It plucks and uses tufts of hair from the vole to create a warm space.
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