December 18, 2017
FILE - In this Nov. 7, 2017 file photo Fiona, a Nile hippopotamus plays in her enclosure at the Cincinnati Zoo & Botanical Garden, in Cincinnati. (AP Photo/John Minchillo File)
December 18, 2017
FILE - In this Nov. 7, 2017 file photo Fiona, a Nile hippopotamus plays in her enclosure at the Cincinnati Zoo & Botanical Garden, in Cincinnati. (AP Photo/John Minchillo File)