Chicago-area zoo investigates deaths of 54 stingrays

Handout photo of stingrays swimming in a shallow pool at the Brookfield ZooBy Suzannah Gonzales CHICAGO (Reuters) – The Brookfield Zoo near Chicago is investigating what caused all 54 of its stingrays to die, a zoo spokeswoman said on Monday. Four southern stingrays and 50 cownose rays died on Friday after the oxygen level dropped in the exhibit habitat, the zoo said in a statement. "We are devastated by the tragic loss of these animals," Bill Zeigler, senior vice president of animal programs for the Chicago Zoological Society, which operates the zoo in Brookfield, Illinois, said in the statement.

July 13, 2015 9:24 pm

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