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hvaldimir whale

The Guardian / YouTube

Earlier this month, a beluga whale caught the world's attention by playing fetch with a rugby ball thrown by South African researchers off the waters of Norway.

The adorable video has been watched over 20 million times, promoting people across the globe to wonder how the whale became so comfortable around humans.

It's believed that the whale, known as Hvaldimir, was at some point, trained by the Russian military and was either released or escaped.

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