What do zoos actually do?

Zoos are places where wild animals are kept for public display. Zoos are often the sites of sophisticated breeding centers, where endangered species may be protected and studied. Some zoos, like this aquarium in Monterey, California, are dedicated to one species or set of species.



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Zoos engage in research, preserve biodiversity (genetic and species) that may be threatened or at times even extinct in the wild, and they provide much needed funding for research and conservation projects across the world.

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How Do Zoos and Aquariums Aid In Animal Conservation?
  • Zoos and Aquariums Protect Endangered Species. AZA-accredited zoos and aquariums help reintroduce animals into the wild. ...
  • Repairing Ecosystems. ...
  • Rehabilitation. ...
  • Ecology. ...
  • Biodiversity.


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So what do zoos spend money on if not the animals? Staff salaries, animal maintenance and facilities costs are the obvious expenses, but there are others. For example, in 2021 the San Diego Zoo spent $15,084 on advertising, according to the zoo's financial statement.

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On average, captive animals (especially mammals) live longer than wild animals. This may be due to the fact that zoos provide refuge against diseases, competition with others of the same species and predators.

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That captivity can be REALLY bad for both physical AND psychological health. And while zoos have been really helpful is saving endangered animals, it doesn't work out for certain species. For example, most large carnivores like lions and tigers that are bred in captivity die when released into the wild.

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We have no evidence whatsoever that wild animals are, in any way, happier than domesticated ones which are treated well. One of the consequences of domestication is a decrease in stress across the board.

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In the wild, this is not something animals typically deal with. Animals brought from the wild into captivity, on the other hand, may suffer from chronic stress even if their basic physical needs are met. In part, this may be because wild animals perceive captive environments as threatening in and of themselves.

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Only in very special circumstances do zoos obtain animals from the wild, which is illegal in many nations. Thus, zoos are not in the practice of actively capturing animals in the wild from their natural habitats.

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MYTH 4: Animals in Zoos are happy. Animals in captivity across the globe have been documented displaying signs of anxiety and depression. In fact, psychological distress in zoo animals is so common that it has its own name: Zoochosis.

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Protection Against Extinction Even currently, many species are going extinct across the globe, and many more are facing the threat of extinction. Modern zoos and aquariums help combat these problems. Breeding programs help preserve genetic biodiversity and help reintroduce critically endangered species into the wild.

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Should zoos be banned, we would certainly loose some species. This is particularly important in the case of endangered species. Due to the low density of the population of some animals in their natural ecosystems they struggle to find partners. Some populations in the wild are weakened by endogamy too.

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AZA-accredited zoos and aquariums have collaborated on breeding and reintroduction programs that have helped save at least nine species like California condors, black-footed ferrets, Przewalski's horse, golden lion tamarins, American red wolves, and more from the brink of extinction.

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Some animals are sold directly to game reserves while others are brought to auction. The paper trail following where the animals go is not always easily accessible and most cases exposing these transactions have been through undercover work.

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In the United States most zoos are supported partially or wholly out of public funds by the town, city, or state in which they are located. The National Zoological Park, in Washington, D.C., was founded by Congress in 1889–90.

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A Change In Behavior As an animal's brain changes, so too do their behaviors. The primary change is that animals lose their some of their natural behaviors including food-finding, avoiding predators, and rearing young, and replace them with stereotypic, destructive behaviors brought on by chronic stress and boredom.

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