How a baby hippo goes viral

WASHINGTON - First, Bao Bao and Bei Bei the pandas made a splash at the National Zoo in Washington. Then, April the Giraffe wowed fans at a game park in New York.

Now, meet Fiona the baby hippo, the pride and joy of Cincinnati.

Across America, zoos and animal parks are looking for the next internet sensation - a strategy that tugs at the country's heartstrings and generates tons of clicks, but one that can also backfire.