Brookfield Zoo officials say 54 stingrays dead after habitat malfunction

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A passing cow-nose ray is shown in the Stingray Bay habitat at Brookfield Zoo in this undated photo. (Chicago Zoological Society/via Chicago Tribune.)

CHICAGO — Suburban Chicago zoo officials say 54 stingrays are dead after oxygen levels dropped in a tank.

In a Saturday news release, operators of the Brookfield Zoo said veterinary staff and the zoo’s animal care unit responded and were working to get the tank’s oxygen levels back to normal. Four southern stingrays and 50 cow-nose rays.

The stingrays were in a shallow pool at an exhibit that allows visitors to touch and feed the animals.

The Chicago Zoological Society says most of the deaths happened on Friday afternoon.

Bill Zeigler is a senior vice president at the society. He says staff is devastated by the loss of the animals and worked hard to try and save the animals.

Officials are closing the seasonal exhibit for the rest of the summer.

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  • Bill

    You would think that they would be able to monitor oxygen levels automatically. I wonder what other exhibits this could potentially happen to.

  • Mark

    I don’t go to zoos or aquariums to look at wildlife put in a box. If you want to see wildlife, then look at photos for Csakes and give them a break, better yet go skin or scuba diving and watch them live on there own terms, not ours.

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