Wildlife biologist Hall Sawyer discovers the longest ungulate migration in the lower 48, nearly 5000 mule deer migrate 150 miles in western Wyoming. The journey from the desert to the mountains that these deer undertake is truly remarkable. Sawyer’s groundbreaking science is combined with first ever migration footage from photographer Joe Riis to highlight and inspire the importance of conserving migration corridors around the world.
Film produced by Joe Riis and the Cornell Lab of Ornithology. Go to migrationinitiative.org for more information.

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