Tourists in Hudson Bay, Canada, are usually most eager to see polar bears. But in November of 2012, it was a snowy owl and an Arctic fox that stole the show.

Over the course of about a week, the fox and owl were seen repeatedly dancing around each other, almost as if they were playing.

"For the most part the owl was oblivious, but at times it seemed it would taunt and goad the fox," says David Briggs, senior expedition leader for the tour company Arctic Kingdom, who took the video and sent it recently to National Geographic.

Briggs often sees Arctic foxes, but snowy owls are less common. In seven years leading Arctic expeditions, he’s never seen