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Published byDora Gilmore Modified over 9 years ago
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Bird Migration By Shobana Subramanian
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What is It? Bird migration is the seasonal movement of bids from place to place. This is different from random movement of birds. Factors that influence random movement are: - food availability - weather - habitat
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Do All Birds Migrate? NO!!!! Many species of birds do migrate but not all do. Birds that do not migrate are said to be resident or sedentary.
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Why Do They Migrate? Some birds migrate to warmer places in order to breed. - longer days in summer means more time for the breeding birds to feed their young.
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How Does It Work?
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