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Shark Superhighway
DVD 
List Price: $22.95
Price: $19.05
You Save: $3.90 (17%)

Hidden beneath the surface of the sea is a phenomenon we know almost nothing about. On land, scientists have long studied the great animal migrations, but in the ocean some of the most spectacular events go almost unnoticed. Now, with an international team of scientists, National Geographic examines the movements of hammerhead sharks. How do they navigate? Do they possess an internal compass? What prompts them to seek out distant destinations? in a world threatened by overfishing and declining marine populations, understanding their behavior may be the key to ensuring hammerhead survival.

Title: Shark Superhighway
Genre: Special Interest-Documentary
Studio: National Geographic
Attributes: Manufactured on Demand
Release Date: 11/1/2013
Product Type: DVD
UPC: 727994951117
Item #: 891604X

Street Date: 11/1/2013
Run Time: 50 minutes

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