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Though breeding programs don't aim to repopulate the planet, captive bears can help their wild relatives by providing data for research and inspiring visitors to keep their habitats safe.
"They truly are ambassadors that can help connect people with nature and maybe spark some curiosity or concern," said Geoff York, senior director of conservation for Polar Bears International, an organization that works closely with the zoo.
Female bears rely on the spring hunting season to build the fat reserves needed to see them through the summer months.
It was the first time the Columbus Zoo and Aquarium showed one of its three new polar bear cubs to the public, so the moment already was special.
There's no way to test if a bear is pregnant and once the cubs are born, they can be viewed only by camera for a few months.