Do zoo animals ever go back to the wild?

“Yes, in a lot of cases it is still impossible, especially if the animals have been traumatised or were very young when captured. And you need to be very careful about introducing diseases to a wild population. But for some animals, if we proceed scientifically and thoughtfully, it can be done.”



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Reintroduction programs, by which animals raised or rehabilitated in AZA-accredited zoos or aquariums are released into their natural habitats, are powerful tools used for stabilizing, reestablishing, or increasing in-situ animal populations that have suffered significant declines.

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Most of these animals were born in captivity, with zoos playing a major role in such projects, while other schemes involve moving wild animals to new areas. This study reviewed 45 case studies, involving 17 carnivore species, and found that only 30% of captive animals released survived.

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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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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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What we do know so far is that evidence suggests wild animals can be as happy in captivity as they are in nature, assuming they are treated well. Confinement alone doesn't mean an animal is automatically worse off.

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This study reviewed 45 case studies, involving 17 carnivore species, and found that only 30% of captive animals released survived.

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After the zoo closes, keepers feed the animals and help them get ready for the night. CORALIE: Some zoos had people work the night shift. It's their job to feed the baby animals and check on the adults. MOLLY: Some keepers even have to pick up animals at the airport.

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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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Having animals in protection provides a reservoir against a population crash in the wild. Zoos have helped remove animals from the endangered species list and have saved many from extinction. Without the efforts of zoos, there would be fewer animal species alive today!

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Escaped animal procedures When an animal escapes, guests are immediately evacuated from the area and escorted to secured buildings on zoo grounds by the zoo's emergency response team (veterinarians armed with tranquilizer equipment, zoo firearms team and animal management staff).

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Zoos have contributed animals toward releases of only 14% (40) of all animal species featured in published con- servation translocations, and 25% of translocated species sourced from captive-bred populations, and this propor- tion has not changed significantly over time (r = 0.229; p = 0.135).

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Most, nearly all, zoo animals these days were born in captivity. There are a few exceptions like many orcas and dolphins (which are both captive bred and caught from the wild). On a rare occasion, animals will be caught from the wild to increase genetic diversity in the captive population, but this is extremely rare.

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Most zoos close when the sun sets. This gives the animals a break from visitors and many of them rest and sleep at this time. Keeping a zoo open after dark would require lighting up all the habitats and that would be costly and fairly ineffective.

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Cleaning and maintaining animal habitats. Preparing food and feeding animals. Training animals so there can be safe exams and interactions. Observing animals' behavior throughout the day.

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If the animals are not too dangerous, keepers can, enter the enclosure with “baffle boards”, which are large wooden shields with handles that they hold between themselves and the animals and they can use such handy items as brooms to push the fighters apart, or even nets.

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There are dedicated species survival programs which have helped species come out from the brink of extinction, good examples of that being the black-footed ferrets, the red wolves, the Przewalski's wild horse, and the California condors.

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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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