Terns and the Giant Trevally Fish
In Terns and the Giant Trevally Fish, narrator Sir David Attenborough explores the relationship between terns, a type of seabird, and the giant trevally fish. As the terns beginning to take flight, the trevally fish display their ability to rise above the water’s surface, in a battle of survival. 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: Why do half a million terns come to this remote island during the dry season?
A: The island becomes the training center for young birds learning to fly.
Q: How are trevallies able to track and capture the terns?
A: Trevallies can track the speed, altitude (height in the air), and trajectory (the path of a flying object) of the birds.
Q: How do the young birds "train" in the ocean?
A: They begin to practice flying over the water, sometimes landing in the water and then taking off again so they can begin to find food on their own.
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