Which one of the following is used as the navigation tool by birds to migrate from one place to another?
A
Compass
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B
Sun
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C
Road Signs
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D
Paper
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Solution
The correct option is B Sun Birds gauge the changing of the seasons based on a light level from the angle of the sun in the sky and the amount of daily light. When the timing is right for their migration, they begin their journey. Birds migrate from one place to another due to climatic changes and food availability.