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Dolphins in Shark Bay, Western Australia, use empty giant gastropod shells to trap prey. Wild et al. integrate genetic, behavioral, and environmental data in a network-based diffusion analysis to show that “shelling” spreads socially among associates. This study provides the first quantitative evidence for non-vertical cultural transmission of foraging behavior in toothed whales. Check out the paper at (20)30756-9. S. Wild, . Hoppitt, S.J. Allen,
