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Birds connect us with the joy and wonder of nature. By telling vivid, sound-rich stories about birds and the challenges they face, BirdNote inspires listeners to care about the natural world – and takes step to protect it.

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Tree Swallows swirl down to roost!

© ShadesOfGrayJay

Each winter millions of Tree Swallows migrate south from their boreal breeding grounds where they take up residence in the southern United States. The Tree Swallows form massive roosts and show a high fidelity to these sites until the sugar cane fields are harvested. This video clip shows the evening masses building and finally becoming a wild torrent of birds spreading across the sugar cane field. This particular roost has been estimated to hold more than 4 million birds.