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Calves and small female groups are at risk, male bull sperm whales are not: The bull sperm whale is much bigger than a killer whale. The bull can grow up-to 65ft and way over 60 tons, have over 40 large 't-rex' style teeth on their bottom jaw, and can become incredibly aggressive when threatened. Their massive head act as the perfect battering rams, and their huge tail flukes can decimate a pod of orcas. Hence orcas rarely engage combat with large bulls sperm whales, as there are plenty of other fish in the sea: ie lower risk, higher reward prey items around

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10y ago

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