Wild Animals in Captivity. Animals in Cages re Natural Adaptations, cf. Humans in Crowded Conditions. Animal Rights. Religious Views of Animals. Conservation Efforts that Succeed or Go Awry.

 
  • 19被囚禁的野生动物。笼里的动物重新适应自然,比较在拥挤状态下的人类。动物权利。动物的宗教观点。成功或者出错的保育成果
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