A Sea Otter Comeback
In A Sea Otter Comeback, narrator Sir David Attenborough explains how sea otters were hunted and almost became extinct, as well as why they are an important part of the ocean ecosystem. This video is excerpted from BBC’s Blue Planet II, a natural history series that explores the world's oceans, the animals that live in them, and the threats they face, using modern filming techniques and equipment to capture previously unseen areas of the ocean.
Lesson Express
Q: How are sea otters different from other otters?
A: They rarely leave the water.
Q: Why did otters get close to extinction?
A: They were hunted for their fur.
Q: What happened when the sea otter was removed from the kelp forest?
A: The kelp forests were replaced with urchin barrens.
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