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I never knew that animals had the capabilities of reason, logic, and feelings.

I certainly believe that they do. These skills may not be as complex as they are in humans, but I've enough personal experience with animals to be convinced, and there is an interesting feature at PBS's website that examines the issue:
Inside the Animal Mind. Stressed OutQUOTE
Since I have three cats living in the "zoo" I call home, I must take the position that zoo-kept animals are often in a better situation than those who are left to live in the wild.
Indeed, your cats are probably better off, but cats have been domesticated for over 5000 years. There are a large number of wild animals that do not do well in captivity, particularly those
animals that roam over a wide area.
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Wild animals accustomed to lots of room to roam don't do well confined in zoos, according to a new study in the journal Nature.
Certain species, such as lions and polar bears, suffer physical and mental stress and high infant mortality in captivity.
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If we have zoos, we are told the animals are miserable. If we don't have zoos, we are told we are endangering the habitat by venturing into their environment. Well, which is it?
You are trying to make it an either/or question, but it's not. Zoos are not the optimum way to preserve animal populations. If possible, it's better to preserve an animal's habitat first, especially since certain species do not do well in captivity, however
some zoos can play an important role, particularly when in comes to conservation. Not all zoos are alike. There are some really awful ones, and there are some that continually strive for improvement, trying to provide an environment that is comparable to an animal's natural habitat.