Shedd Aquarium mourns river otter, Rio
October 29, 2013 (CHICAGO) (WLS) -- Rio, a river otter who lived in the At Home on the Great Lakes Gallery, was euthanized at Shedd Aquarium.
Veterinarians said Rio, who had exceeded the known median life expectancy of river otters by almost a decade, was experiencing a "progressively deteriorating health and quality of life" in a statement. She was euthanized Tuesday at the age of 21.
The female otter, whose name means "river" came to Shedd in 1992 from Little Rock Zoo in Arkansas. River otters were on the endangered species list in Illinois then.
shedd aquarium, chicago news
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