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Big Mama

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David Olson and marine biologist, Dr. Michael Domeier measure a great white shark.

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In the world of great whites, it's the females who rule -- surpassing males in size and muscle. The sexes migrate differently; landing a "Big Mama" is crucial to the crew's research and offers the best chance to uncover great white birthing sites. While stealth females play cat and mouse with the crew, feisty males eagerly take the bait, and give shark expert Dr. Michael Domeier a major clue into great white mating theories.

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