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Dr. Jones from the Cleveland Museum of Natural History details the phenomenon of migration and why birds undertake this annual, grueling trip.
For some five billion individual birds, a trip to Central or South America from north America is an essential and stunning annual accomplishment. Why do birds undertake this grueling trip? How do they find their way to wintering grounds they have never seen before? Dr. Jones from the Cleveland Museum of Natural History, details how ornithologists study the phenomenon of migration.
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