| 41. | The life stages of killer whales roughly parallel those of humans.
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| 42. | Scientists estimate that there are thousands of killer whales worldwide.
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| 43. | They say it should be somewhere with more wild killer whales and fewer people.
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| 44. | PORTLAND, Oregon ( AP ) _ Keiko the killer whale has a new hobby.
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| 45. | The scientists fear the interference would confuse the killer whale.
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| 46. | A killer whale in the wild can stay submerged for up to 30 minutes.
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| 47. | The now-extinct species was related to the modern killer whale.
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| 48. | Willy the killer whale, Cheetah the chimp and King Kong?
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| 49. | It concerns SeaWorld and the controversy over captive killer whales.
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| 50. | Freedom won't come this year for Keiko the killer whale.
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