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Saturday, October 10, 2009

Scientists baffled by whale attacks on porpoises

Scientists baffled by whale attacks on porpoises: "'It could be a maternal-driven behaviour that is misdirected towards another species,' said Ford, noting southern residents seem more likely to exhibit the behaviour than northern resident killer whales.

'These animals [porpoises] are often sort of carried about on their backs or heads, pushed around. It's almost like a behaviour you'd see with a distressed or dead calf of a killer whale. We've seen a stillborn calf pushed along or carried along by the mother.'"

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