| 31. | They kept a shotgun handy, but no polar bear showed up.
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| 32. | Polar bears have been known to kill people, but only rarely.
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| 33. | Polar Bear One encounters an aircraft carrier on its return trip.
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| 34. | The polar bear captivity at the zoo on 5 December 2006.
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| 35. | But the polar bear mania did not stay quiet for long.
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| 36. | Polar bears have been a protected species in Norway since 1973.
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| 37. | Only a polar bear figures he is better off in captivity.
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| 38. | According to one account, the Greenlanders even traded live polar bears.
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| 39. | The dog eventually chases the polar bear up a tall iceberg.
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| 40. | Lucy sees Dr . Bergstrom as Thoran, a polar bear.
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