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Hector’s and Māui’s dolphin deaths among the West Coast of the North Island population

By cause of death, 1921–2008 (aggregated), number of dolphins

05101520Not assessedNot determinableNaturalKnown entanglementPossible entanglementUnknownHuman interactionPossible human interactionProbable entanglementBoat strikeEuthanizedTrauma (unknown cause)Not availableHector’s and Māui’s dolphin deaths among the West Coast of theNorth Island populationBy cause of death, 1921–2008 (aggregated), number of dolphinsProvider: Ministry for the Environment