| 41. | Only slightly damaged, " Narwhal " departed her patrol area the next day.
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| 42. | Beluga, bowhead whale, harp seal, narwhal, and ringed seal frequent the area.
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| 43. | Also, there is only 1 recorded case of a duel horned female narwhal ( e)
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| 44. | In 1978, he joined the Navy and served six years aboard the nuclear submarine USS Narwhal.
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| 45. | In medieval and Renaissance times, the tusk of the narwhal was sometimes sold as unicorn horn.
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| 46. | The Throne Chair of Denmark is made of " unicorn horns " almost certainly narwhal tusks.
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| 47. | Entire horns were very precious in the Middle Ages and were often really the tusks of narwhals.
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| 48. | Narwhals do not have a dorsal fin, possibly an evolutionary adaptation to swimming easily under ice.
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| 49. | The study found that the dietary needs of the narwhal did not differ among genders or ages.
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| 50. | Stephen Maturin also brings aboard a narwhal tusk given him by Aubrey from a previous Baltic voyage.
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