National Geographic Documentaries

Sharks vs. Dolphins: Blood Battle (2020x12)

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They've shared the ocean for millenia, but scientists have only begun to understand the relationship between SHARKS and DOLPHINS. New research allows us to peer into this incredible drama; redefining everything we thought we knew about sharks. They're stereotyped as independent loners, serial killers of the sea-but we've observed them hunting in teams, learning, and even passing on knowledge to fellow sharks.