Megaptera novaeangliae

LENGTH 11–15 m / 37–50 ft
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DORSAL FIN Small, knobby fin with broad base
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APPEARANCE Black body; bumps or knobs on head; long pectoral fins with white underside
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BEHAVIOUR Medium-sized, bushy blow; usually surfaces 2-5 times between deep dives; often raises tail flukes on final dive

Photos by A. Phillips, C. McMillan, J. Towers, J. Ford. Illustrations by A. Denbigh, not to scale.