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Harris's Hawks vs. Jackrabbit
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National Geographic Live! - Iain Couzin: Lessons from a Cannibal Plague
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Chameleon Babies: Home Alone
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I Didn't Know That - Roller Coaster Testing
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Praying Mantis vs. Grasshopper
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Angry Birds: Fed up, Feathered, and Furious
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Weird Fish Marine Reserve
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Bird "Flies" Underwater
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Equinoxes
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Autumn Leaf Hoppers
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National Geographic Live! - Meave Leakey: Piecing Together Human Ancestors
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I Didn't Know That - Longbow Firepower