Birds stay warm in winter through a few different methods:
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Fluffing their feathers: Birds fluff up their feathers to create air pockets that act as insulation, trapping heat close to their bodies.
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Shivering: Some birds shiver to generate body heat when it's cold outside.
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Seeking shelter: Birds may seek shelter in trees, bushes, or other protected areas to avoid strong winds and stay warm.
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Roosting together: In some cases, birds may roost together in groups to share body heat and stay warm collectively.
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Feeding: Birds need more energy in the winter to stay warm, so they may increase their food intake to fuel their metabolism and generate heat.
By utilizing these strategies, birds are able to maintain their body temperature and survive the cold winter months.
