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Life expectancy in four studied marine mammal species has increased by over three times in zoos and aquariums.
The study, led by Species360 and University of Southern Denmark research scientist Morgane Tidière in collaboration with 41 other experts worldwide, examined life expectancy and lifespan equality among four captive marine mammal species. They have found that these mammals live longer in captivity than in the wild.
Although the results of this study are significant, it has long been known that captive animals tend to live longer than those in the wild owing to fewer stresses on them, including untreated diseases and predation. However, this new research has now quantified the disparities in select species. These improvements, they say, result from “the establishment of regional and national zoo associations, accreditation standards, coordinated breeding programs, shared databases and professional networks which foster knowledge sharing, thereby collectively improving animal welfare.”
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