February 1, 2009
1 min read
Add Us On GoogleAdd SciAmData Points: Truncated Lives
Zoo elephants live much shorter lives than their wild counterparts, according to a study based on some 4,500 elephants in European zoos and wildlife refuges. Infant mortality runs higher in captives, too—especially among Asian pachyderms, which suggests that something during gestation or early infancy raises the risk for the zoo-born. The data, however, may not reflect the latest zoo practices, which are more animal-friendly.
Median life span in years:
In zoos In the wild
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African elephants 16.9 56
Asian elephants 18.9 41.7
Percent of infants born in first-time pregnancies that do not survive their first year
In zoos In the wild
African elephants 25.9 18.7
Asian elephants 58.3 17.4
SOURCE: Science, December 12, 2008
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