| 41. | The Sumatran / Bornean orangutan started painting in June as part of the zoo's enrichment program, meant to stimulate captive animals.
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| 42. | Answers to such questions are revealing a hidden world of marine mammals and helping people take better care of captive animals.
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| 43. | Healthy mice have been born with this technology . iPSC may one day be used to treat captive animals with diseases.
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| 44. | The hope is that visitors will find the captive animals irresistible and contribute to help save their relatives in the wild.
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| 45. | Research is being done on the environmental cues that have to be replicated before captive animals can be persuaded to breed.
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| 46. | Longevity in the wild is usually less than six months, but the record for a captive animal is over five years.
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| 47. | Due to campaigning by the Captive Animals Protection Society an application was withdrawn to build new exhibits at the falconry site.
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| 48. | While the origin of these animals is unknown, cougar experts believe some are captive animals that have been released or escaped.
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| 49. | For biologists, Keiko the killer whale was an inspiration to biologists in experiments on returning a captive animal to the wild.
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| 50. | He quotes no less an avid hunter than Teddy Roosevelt, who scorned the killing of captive animals as " game butchery ."
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