For some species the road to release isa long one.
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in many ways humans havevastly improved how we treat captivewildlife.
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but according to a new researchanimals bred in captivity developphysical changes ,that may hinder theirsurvival in the wild.
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the analysisconducted by the Australian NationalUniversity shows that, animals bred incaptivity experience significantphysical and behavioral changes .
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thecaptive environments drastically alterselection pressures on animals ,that maydisadvantage their survival chances .
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oncereleased into the wildyou see they become more vulnerable topredators.
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according to one of the co-authors ofthe study seemingly isolated examples ofmajor changes to animal phenotypes orpart of a trend that had gone unnoticedfor decades .
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.moreover they added that thechange in behavior is a global thing,that affects everything from butterfliethrough to elephants.