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792 بار بازدید - 6 سال پیش - Where do birds go during
Where do birds go during the winter? Many birds migrate south in the winter and return to the north during the summer months. Birds that rely on insects, fruit, and nectar go south to the tropics in the winter to get food that isn’t available in the winter months. But they return to the north to take advantage of flushes of insects, flowers, and larger breeding territories during the summer. How do the birds travel such large distances and what problems do they encounter? Join a Cornell Universit
6 سال پیش در تاریخ 1397/04/05 منتشر شده است.
792 بـار بازدید شده
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