Brrrr! It’s getting too cold for visitors to see Fiona

It’s getting too cold for Fiona, the beloved hippo at the Cincinnati Zoo & Botanical Garden.

Hippos can only go outside if it's at least 50 degrees with sunny skies. The zoo suggest checking the Zoo Today page on its website before visiting and too see all zoo updates.

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The 9-month-old Fiona, who weighed 29 pounds when she was born six weeks premature, is the smallest hippopotamus ever to survive. Normal birth weight is between 50 and 110 pounds.

On Wednesday, the scale tipped 550 pounds for the baby hippo who measured 5 feet long and 2.5 feet tall, the zoo reported. Adult female hippos can weigh between 1,400 and 5,000 pounds.

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