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Increasing generations in captivity is associated with increased vulnerability of Tasmanian devils to vehicle strike following release to the wild
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Increasing generations in captivity is associated with increased vulnerability of Tasmanian devils to vehicle strike following release to the wild
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Journal Article
Increasing generations in captivity is associated with increased vulnerability of Tasmanian devils to vehicle strike following release to the wild
2017
Overview
Captive breeding of threatened species, for release to the wild, is critical for conservation. This strategy, however, risks producing captive-raised animals with traits poorly suited to the wild. We describe the first study to characterise accumulated consequences of long-term captive breeding on behaviour, by following the release of Tasmanian devils to the wild. We test the impact of prolonged captive breeding on the probability that captive-raised animals are fatally struck by vehicles. Multiple generations of captive breeding increased the probability that individuals were fatally struck, a pattern that could not be explained by other confounding factors (e.g. age or release site). Our results imply that long-term captive breeding programs may produce animals that are naïve to the risks of the post-release environment. Our analyses have already induced changes in management policy of this endangered species, and serve as model of productive synergy between ecological monitoring and conservation strategy.
Publisher
Nature Publishing Group UK,Nature Publishing Group,Nature Portfolio
Subject
