A prematurely born hippo in Ohio has been providing regular doses of happiness for animal lovers, in a show of public affection that's also given an emotional lift to Cincinnati Zoo workers.

After months of backlash over the zoo's fatal shooting of Harambe, a gorilla who became a pop culture phenomenon in death, baby Fiona is the new center of attention there.

"She has brought everyone together," said Jenna Wingate, one of Fiona's caregivers. "It brings us to tears sometimes."